Annotation of embedaddon/nginx/CHANGES, revision 1.1.1.1

1.1       misho       1: 
                      2: Changes with nginx 1.4.3                                         08 Oct 2013
                      3: 
                      4:     *) Bugfix: a segmentation fault might occur in a worker process if the
                      5:        ngx_http_spdy_module was used with the "client_body_in_file_only"
                      6:        directive.
                      7: 
                      8:     *) Bugfix: a segmentation fault might occur on start or during
                      9:        reconfiguration if the "try_files" directive was used with an empty
                     10:        parameter.
                     11: 
                     12:     *) Bugfix: the $request_time variable did not work in nginx/Windows.
                     13: 
                     14:     *) Bugfix: in the ngx_http_auth_basic_module when using "$apr1$"
                     15:        password encryption method.
                     16:        Thanks to Markus Linnala.
                     17: 
                     18:     *) Bugfix: in the ngx_http_autoindex_module.
                     19: 
                     20:     *) Bugfix: in the mail proxy server.
                     21: 
                     22: 
                     23: Changes with nginx 1.4.2                                         17 Jul 2013
                     24: 
                     25:     *) Bugfix: the $r->header_in() embedded perl method did not return value
                     26:        of the "Cookie" and "X-Forwarded-For" request header lines; the bug
                     27:        had appeared in 1.3.14.
                     28: 
                     29:     *) Bugfix: nginx could not be built with the ngx_mail_ssl_module, but
                     30:        without ngx_http_ssl_module; the bug had appeared in 1.3.14.
                     31: 
                     32:     *) Bugfix: in the "proxy_set_body" directive.
                     33:        Thanks to Lanshun Zhou.
                     34: 
                     35:     *) Bugfix: the "fail_timeout" parameter of the "server" directive in the
                     36:        "upstream" context might not work if "max_fails" parameter was used;
                     37:        the bug had appeared in 1.3.0.
                     38: 
                     39:     *) Bugfix: a segmentation fault might occur in a worker process if the
                     40:        "ssl_stapling" directive was used.
                     41:        Thanks to Piotr Sikora.
                     42: 
                     43:     *) Bugfix: nginx/Windows might stop accepting connections if several
                     44:        worker processes were used.
                     45: 
                     46: 
                     47: Changes with nginx 1.4.1                                         07 May 2013
                     48: 
                     49:     *) Security: a stack-based buffer overflow might occur in a worker
                     50:        process while handling a specially crafted request, potentially
                     51:        resulting in arbitrary code execution (CVE-2013-2028); the bug had
                     52:        appeared in 1.3.9.
                     53:        Thanks to Greg MacManus, iSIGHT Partners Labs.
                     54: 
                     55: 
                     56: Changes with nginx 1.4.0                                         24 Apr 2013
                     57: 
                     58:     *) Bugfix: nginx could not be built with the ngx_http_perl_module if the
                     59:        --with-openssl option was used; the bug had appeared in 1.3.16.
                     60: 
                     61:     *) Bugfix: in a request body handling in the ngx_http_perl_module; the
                     62:        bug had appeared in 1.3.9.
                     63: 
                     64: 
                     65: Changes with nginx 1.3.16                                        16 Apr 2013
                     66: 
                     67:     *) Bugfix: a segmentation fault might occur in a worker process if
                     68:        subrequests were used; the bug had appeared in 1.3.9.
                     69: 
                     70:     *) Bugfix: the "tcp_nodelay" directive caused an error if a WebSocket
                     71:        connection was proxied into a unix domain socket.
                     72: 
                     73:     *) Bugfix: the $upstream_response_length variable has an incorrect value
                     74:        "0" if buffering was not used.
                     75:        Thanks to Piotr Sikora.
                     76: 
                     77:     *) Bugfix: in the eventport and /dev/poll methods.
                     78: 
                     79: 
                     80: Changes with nginx 1.3.15                                        26 Mar 2013
                     81: 
                     82:     *) Change: opening and closing a connection without sending any data in
                     83:        it is no longer logged to access_log with error code 400.
                     84: 
                     85:     *) Feature: the ngx_http_spdy_module.
                     86:        Thanks to Automattic for sponsoring this work.
                     87: 
                     88:     *) Feature: the "limit_req_status" and "limit_conn_status" directives.
                     89:        Thanks to Nick Marden.
                     90: 
                     91:     *) Feature: the "image_filter_interlace" directive.
                     92:        Thanks to Ian Babrou.
                     93: 
                     94:     *) Feature: $connections_waiting variable in the
                     95:        ngx_http_stub_status_module.
                     96: 
                     97:     *) Feature: the mail proxy module now supports IPv6 backends.
                     98: 
                     99:     *) Bugfix: request body might be transmitted incorrectly when retrying a
                    100:        request to the next upstream server; the bug had appeared in 1.3.9.
                    101:        Thanks to Piotr Sikora.
                    102: 
                    103:     *) Bugfix: in the "client_body_in_file_only" directive; the bug had
                    104:        appeared in 1.3.9.
                    105: 
                    106:     *) Bugfix: responses might hang if subrequests were used and a DNS error
                    107:        happened during subrequest processing.
                    108:        Thanks to Lanshun Zhou.
                    109: 
                    110:     *) Bugfix: in backend usage accounting.
                    111: 
                    112: 
                    113: Changes with nginx 1.3.14                                        05 Mar 2013
                    114: 
                    115:     *) Feature: $connections_active, $connections_reading, and
                    116:        $connections_writing variables in the ngx_http_stub_status_module.
                    117: 
                    118:     *) Feature: support of WebSocket connections in the
                    119:        ngx_http_uwsgi_module and ngx_http_scgi_module.
                    120: 
                    121:     *) Bugfix: in virtual servers handling with SNI.
                    122: 
                    123:     *) Bugfix: new sessions were not always stored if the "ssl_session_cache
                    124:        shared" directive was used and there was no free space in shared
                    125:        memory.
                    126:        Thanks to Piotr Sikora.
                    127: 
                    128:     *) Bugfix: multiple X-Forwarded-For headers were handled incorrectly.
                    129:        Thanks to Neal Poole for sponsoring this work.
                    130: 
                    131:     *) Bugfix: in the ngx_http_mp4_module.
                    132:        Thanks to Gernot Vormayr.
                    133: 
                    134: 
                    135: Changes with nginx 1.3.13                                        19 Feb 2013
                    136: 
                    137:     *) Change: a compiler with name "cc" is now used by default.
                    138: 
                    139:     *) Feature: support for proxying of WebSocket connections.
                    140:        Thanks to Apcera and CloudBees for sponsoring this work.
                    141: 
                    142:     *) Feature: the "auth_basic_user_file" directive supports "{SHA}"
                    143:        password encryption method.
                    144:        Thanks to Louis Opter.
                    145: 
                    146: 
                    147: Changes with nginx 1.3.12                                        05 Feb 2013
                    148: 
                    149:     *) Feature: variables support in the "proxy_bind", "fastcgi_bind",
                    150:        "memcached_bind", "scgi_bind", and "uwsgi_bind" directives.
                    151: 
                    152:     *) Feature: the $pipe, $request_length, $time_iso8601, and $time_local
                    153:        variables can now be used not only in the "log_format" directive.
                    154:        Thanks to Kiril Kalchev.
                    155: 
                    156:     *) Feature: IPv6 support in the ngx_http_geoip_module.
                    157:        Thanks to Gregor Kališnik.
                    158: 
                    159:     *) Bugfix: in the "proxy_method" directive.
                    160: 
                    161:     *) Bugfix: a segmentation fault might occur in a worker process if
                    162:        resolver was used with the poll method.
                    163: 
                    164:     *) Bugfix: nginx might hog CPU during SSL handshake with a backend if
                    165:        the select, poll, or /dev/poll methods were used.
                    166: 
                    167:     *) Bugfix: the "[crit] SSL_write() failed (SSL:)" error.
                    168: 
                    169:     *) Bugfix: in the "client_body_in_file_only" directive; the bug had
                    170:        appeared in 1.3.9.
                    171: 
                    172:     *) Bugfix: in the "fastcgi_keep_conn" directive.
                    173: 
                    174: 
                    175: Changes with nginx 1.3.11                                        10 Jan 2013
                    176: 
                    177:     *) Bugfix: a segmentation fault might occur if logging was used; the bug
                    178:        had appeared in 1.3.10.
                    179: 
                    180:     *) Bugfix: the "proxy_pass" directive did not work with IP addresses
                    181:        without port specified; the bug had appeared in 1.3.10.
                    182: 
                    183:     *) Bugfix: a segmentation fault occurred on start or during
                    184:        reconfiguration if the "keepalive" directive was specified more than
                    185:        once in a single upstream block.
                    186: 
                    187:     *) Bugfix: parameter "default" of the "geo" directive did not set
                    188:        default value for IPv6 addresses.
                    189: 
                    190: 
                    191: Changes with nginx 1.3.10                                        25 Dec 2012
                    192: 
                    193:     *) Change: domain names specified in configuration file are now resolved
                    194:        to IPv6 addresses as well as IPv4 ones.
                    195: 
                    196:     *) Change: now if the "include" directive with mask is used on Unix
                    197:        systems, included files are sorted in alphabetical order.
                    198: 
                    199:     *) Change: the "add_header" directive adds headers to 201 responses.
                    200: 
                    201:     *) Feature: the "geo" directive now supports IPv6 addresses in CIDR
                    202:        notation.
                    203: 
                    204:     *) Feature: the "flush" and "gzip" parameters of the "access_log"
                    205:        directive.
                    206: 
                    207:     *) Feature: variables support in the "auth_basic" directive.
                    208: 
                    209:     *) Bugfix: nginx could not be built with the ngx_http_perl_module in
                    210:        some cases.
                    211: 
                    212:     *) Bugfix: a segmentation fault might occur in a worker process if the
                    213:        ngx_http_xslt_module was used.
                    214: 
                    215:     *) Bugfix: nginx could not be built on MacOSX in some cases.
                    216:        Thanks to Piotr Sikora.
                    217: 
                    218:     *) Bugfix: the "limit_rate" directive with high rates might result in
                    219:        truncated responses on 32-bit platforms.
                    220:        Thanks to Alexey Antropov.
                    221: 
                    222:     *) Bugfix: a segmentation fault might occur in a worker process if the
                    223:        "if" directive was used.
                    224:        Thanks to Piotr Sikora.
                    225: 
                    226:     *) Bugfix: a "100 Continue" response was issued with "413 Request Entity
                    227:        Too Large" responses.
                    228: 
                    229:     *) Bugfix: the "image_filter", "image_filter_jpeg_quality" and
                    230:        "image_filter_sharpen" directives might be inherited incorrectly.
                    231:        Thanks to Ian Babrou.
                    232: 
                    233:     *) Bugfix: "crypt_r() failed" errors might appear if the "auth_basic"
                    234:        directive was used on Linux.
                    235: 
                    236:     *) Bugfix: in backup servers handling.
                    237:        Thanks to Thomas Chen.
                    238: 
                    239:     *) Bugfix: proxied HEAD requests might return incorrect response if the
                    240:        "gzip" directive was used.
                    241: 
                    242: 
                    243: Changes with nginx 1.3.9                                         27 Nov 2012
                    244: 
                    245:     *) Feature: support for chunked transfer encoding while reading client
                    246:        request body.
                    247: 
                    248:     *) Feature: the $request_time and $msec variables can now be used not
                    249:        only in the "log_format" directive.
                    250: 
                    251:     *) Bugfix: cache manager and cache loader processes might not be able to
                    252:        start if more than 512 listen sockets were used.
                    253: 
                    254:     *) Bugfix: in the ngx_http_dav_module.
                    255: 
                    256: 
                    257: Changes with nginx 1.3.8                                         30 Oct 2012
                    258: 
                    259:     *) Feature: the "optional_no_ca" parameter of the "ssl_verify_client"
                    260:        directive.
                    261:        Thanks to Mike Kazantsev and Eric O'Connor.
                    262: 
                    263:     *) Feature: the $bytes_sent, $connection, and $connection_requests
                    264:        variables can now be used not only in the "log_format" directive.
                    265:        Thanks to Benjamin Grössing.
                    266: 
                    267:     *) Feature: the "auto" parameter of the "worker_processes" directive.
                    268: 
                    269:     *) Bugfix: "cache file ... has md5 collision" alert.
                    270: 
                    271:     *) Bugfix: in the ngx_http_gunzip_filter_module.
                    272: 
                    273:     *) Bugfix: in the "ssl_stapling" directive.
                    274: 
                    275: 
                    276: Changes with nginx 1.3.7                                         02 Oct 2012
                    277: 
                    278:     *) Feature: OCSP stapling support.
                    279:        Thanks to Comodo, DigiCert and GlobalSign for sponsoring this work.
                    280: 
                    281:     *) Feature: the "ssl_trusted_certificate" directive.
                    282: 
                    283:     *) Feature: resolver now randomly rotates addresses returned from cache.
                    284:        Thanks to Anton Jouline.
                    285: 
                    286:     *) Bugfix: OpenSSL 0.9.7 compatibility.
                    287: 
                    288: 
                    289: Changes with nginx 1.3.6                                         12 Sep 2012
                    290: 
                    291:     *) Feature: the ngx_http_gunzip_filter_module.
                    292: 
                    293:     *) Feature: the "memcached_gzip_flag" directive.
                    294: 
                    295:     *) Feature: the "always" parameter of the "gzip_static" directive.
                    296: 
                    297:     *) Bugfix: in the "limit_req" directive; the bug had appeared in 1.1.14.
                    298:        Thanks to Charles Chen.
                    299: 
                    300:     *) Bugfix: nginx could not be built by gcc 4.7 with -O2 optimization if
                    301:        the --with-ipv6 option was used.
                    302: 
                    303: 
                    304: Changes with nginx 1.3.5                                         21 Aug 2012
                    305: 
                    306:     *) Change: the ngx_http_mp4_module module no longer skips tracks in
                    307:        formats other than H.264 and AAC.
                    308: 
                    309:     *) Bugfix: a segmentation fault might occur in a worker process if the
                    310:        "map" directive was used with variables as values.
                    311: 
                    312:     *) Bugfix: a segmentation fault might occur in a worker process if the
                    313:        "geo" directive was used with the "ranges" parameter but without the
                    314:        "default" parameter; the bug had appeared in 0.8.43.
                    315:        Thanks to Zhen Chen and Weibin Yao.
                    316: 
                    317:     *) Bugfix: in the -p command-line parameter handling.
                    318: 
                    319:     *) Bugfix: in the mail proxy server.
                    320: 
                    321:     *) Bugfix: of minor potential bugs.
                    322:        Thanks to Coverity.
                    323: 
                    324:     *) Bugfix: nginx/Windows could not be built with Visual Studio 2005
                    325:        Express.
                    326:        Thanks to HAYASHI Kentaro.
                    327: 
                    328: 
                    329: Changes with nginx 1.3.4                                         31 Jul 2012
                    330: 
                    331:     *) Change: the "ipv6only" parameter is now turned on by default for
                    332:        listening IPv6 sockets.
                    333: 
                    334:     *) Feature: the Clang compiler support.
                    335: 
                    336:     *) Bugfix: extra listening sockets might be created.
                    337:        Thanks to Roman Odaisky.
                    338: 
                    339:     *) Bugfix: nginx/Windows might hog CPU if a worker process failed to
                    340:        start.
                    341:        Thanks to Ricardo Villalobos Guevara.
                    342: 
                    343:     *) Bugfix: the "proxy_pass_header", "fastcgi_pass_header",
                    344:        "scgi_pass_header", "uwsgi_pass_header", "proxy_hide_header",
                    345:        "fastcgi_hide_header", "scgi_hide_header", and "uwsgi_hide_header"
                    346:        directives might be inherited incorrectly.
                    347: 
                    348: 
                    349: Changes with nginx 1.3.3                                         10 Jul 2012
                    350: 
                    351:     *) Feature: entity tags support and the "etag" directive.
                    352: 
                    353:     *) Bugfix: trailing dot in a source value was not ignored if the "map"
                    354:        directive was used with the "hostnames" parameter.
                    355: 
                    356:     *) Bugfix: incorrect location might be used to process a request if a
                    357:        URI was changed via a "rewrite" directive before an internal redirect
                    358:        to a named location.
                    359: 
                    360: 
                    361: Changes with nginx 1.3.2                                         26 Jun 2012
                    362: 
                    363:     *) Change: the "single" parameter of the "keepalive" directive is now
                    364:        ignored.
                    365: 
                    366:     *) Change: SSL compression is now disabled when using all versions of
                    367:        OpenSSL, including ones prior to 1.0.0.
                    368: 
                    369:     *) Feature: it is now possible to use the "ip_hash" directive to balance
                    370:        IPv6 clients.
                    371: 
                    372:     *) Feature: the $status variable can now be used not only in the
                    373:        "log_format" directive.
                    374: 
                    375:     *) Bugfix: a segmentation fault might occur in a worker process on
                    376:        shutdown if the "resolver" directive was used.
                    377: 
                    378:     *) Bugfix: a segmentation fault might occur in a worker process if the
                    379:        ngx_http_mp4_module was used.
                    380: 
                    381:     *) Bugfix: in the ngx_http_mp4_module.
                    382: 
                    383:     *) Bugfix: a segmentation fault might occur in a worker process if
                    384:        conflicting wildcard server names were used.
                    385: 
                    386:     *) Bugfix: nginx might be terminated abnormally on a SIGBUS signal on
                    387:        ARM platform.
                    388: 
                    389:     *) Bugfix: an alert "sendmsg() failed (9: Bad file number)" on HP-UX
                    390:        while reconfiguration.
                    391: 
                    392: 
                    393: Changes with nginx 1.3.1                                         05 Jun 2012
                    394: 
                    395:     *) Security: now nginx/Windows ignores trailing dot in URI path
                    396:        component, and does not allow URIs with ":$" in it.
                    397:        Thanks to Vladimir Kochetkov, Positive Research Center.
                    398: 
                    399:     *) Feature: the "proxy_pass", "fastcgi_pass", "scgi_pass", "uwsgi_pass"
                    400:        directives, and the "server" directive inside the "upstream" block,
                    401:        now support IPv6 addresses.
                    402: 
                    403:     *) Feature: the "resolver" directive now supports IPv6 addresses and an
                    404:        optional port specification.
                    405: 
                    406:     *) Feature: the "least_conn" directive inside the "upstream" block.
                    407: 
                    408:     *) Feature: it is now possible to specify a weight for servers while
                    409:        using the "ip_hash" directive.
                    410: 
                    411:     *) Bugfix: a segmentation fault might occur in a worker process if the
                    412:        "image_filter" directive was used; the bug had appeared in 1.3.0.
                    413: 
                    414:     *) Bugfix: nginx could not be built with ngx_cpp_test_module; the bug
                    415:        had appeared in 1.1.12.
                    416: 
                    417:     *) Bugfix: access to variables from SSI and embedded perl module might
                    418:        not work after reconfiguration.
                    419:        Thanks to Yichun Zhang.
                    420: 
                    421:     *) Bugfix: in the ngx_http_xslt_filter_module.
                    422:        Thanks to Kuramoto Eiji.
                    423: 
                    424:     *) Bugfix: memory leak if $geoip_org variable was used.
                    425:        Thanks to Denis F. Latypoff.
                    426: 
                    427:     *) Bugfix: in the "proxy_cookie_domain" and "proxy_cookie_path"
                    428:        directives.
                    429: 
                    430: 
                    431: Changes with nginx 1.3.0                                         15 May 2012
                    432: 
                    433:     *) Feature: the "debug_connection" directive now supports IPv6 addresses
                    434:        and the "unix:" parameter.
                    435: 
                    436:     *) Feature: the "set_real_ip_from" directive and the "proxy" parameter
                    437:        of the "geo" directive now support IPv6 addresses.
                    438: 
                    439:     *) Feature: the "real_ip_recursive", "geoip_proxy", and
                    440:        "geoip_proxy_recursive" directives.
                    441: 
                    442:     *) Feature: the "proxy_recursive" parameter of the "geo" directive.
                    443: 
                    444:     *) Bugfix: a segmentation fault might occur in a worker process if the
                    445:        "resolver" directive was used.
                    446: 
                    447:     *) Bugfix: a segmentation fault might occur in a worker process if the
                    448:        "fastcgi_pass", "scgi_pass", or "uwsgi_pass" directives were used and
                    449:        backend returned incorrect response.
                    450: 
                    451:     *) Bugfix: a segmentation fault might occur in a worker process if the
                    452:        "rewrite" directive was used and new request arguments in a
                    453:        replacement used variables.
                    454: 
                    455:     *) Bugfix: nginx might hog CPU if the open file resource limit was
                    456:        reached.
                    457: 
                    458:     *) Bugfix: nginx might loop infinitely over backends if the
                    459:        "proxy_next_upstream" directive with the "http_404" parameter was
                    460:        used and there were backup servers specified in an upstream block.
                    461: 
                    462:     *) Bugfix: adding the "down" parameter of the "server" directive might
                    463:        cause unneeded client redistribution among backend servers if the
                    464:        "ip_hash" directive was used.
                    465: 
                    466:     *) Bugfix: socket leak.
                    467:        Thanks to Yichun Zhang.
                    468: 
                    469:     *) Bugfix: in the ngx_http_fastcgi_module.
                    470: 
                    471: 
                    472: Changes with nginx 1.2.0                                         23 Apr 2012
                    473: 
                    474:     *) Bugfix: a segmentation fault might occur in a worker process if the
                    475:        "try_files" directive was used; the bug had appeared in 1.1.19.
                    476: 
                    477:     *) Bugfix: response might be truncated if there were more than IOV_MAX
                    478:        buffers used.
                    479: 
                    480:     *) Bugfix: in the "crop" parameter of the "image_filter" directive.
                    481:        Thanks to Maxim Bublis.
                    482: 
                    483: 
                    484: Changes with nginx 1.1.19                                        12 Apr 2012
                    485: 
                    486:     *) Security: specially crafted mp4 file might allow to overwrite memory
                    487:        locations in a worker process if the ngx_http_mp4_module was used,
                    488:        potentially resulting in arbitrary code execution (CVE-2012-2089).
                    489:        Thanks to Matthew Daley.
                    490: 
                    491:     *) Bugfix: nginx/Windows might be terminated abnormally.
                    492:        Thanks to Vincent Lee.
                    493: 
                    494:     *) Bugfix: nginx hogged CPU if all servers in an upstream were marked as
                    495:        "backup".
                    496: 
                    497:     *) Bugfix: the "allow" and "deny" directives might be inherited
                    498:        incorrectly if they were used with IPv6 addresses.
                    499: 
                    500:     *) Bugfix: the "modern_browser" and "ancient_browser" directives might
                    501:        be inherited incorrectly.
                    502: 
                    503:     *) Bugfix: timeouts might be handled incorrectly on Solaris/SPARC.
                    504: 
                    505:     *) Bugfix: in the ngx_http_mp4_module.
                    506: 
                    507: 
                    508: Changes with nginx 1.1.18                                        28 Mar 2012
                    509: 
                    510:     *) Change: keepalive connections are no longer disabled for Safari by
                    511:        default.
                    512: 
                    513:     *) Feature: the $connection_requests variable.
                    514: 
                    515:     *) Feature: $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd and
                    516:        $tcpinfo_rcv_space variables.
                    517: 
                    518:     *) Feature: the "worker_cpu_affinity" directive now works on FreeBSD.
                    519: 
                    520:     *) Feature: the "xslt_param" and "xslt_string_param" directives.
                    521:        Thanks to Samuel Behan.
                    522: 
                    523:     *) Bugfix: in configure tests.
                    524:        Thanks to Piotr Sikora.
                    525: 
                    526:     *) Bugfix: in the ngx_http_xslt_filter_module.
                    527: 
                    528:     *) Bugfix: nginx could not be built on Debian GNU/Hurd.
                    529: 
                    530: 
                    531: Changes with nginx 1.1.17                                        15 Mar 2012
                    532: 
                    533:     *) Security: content of previously freed memory might be sent to a
                    534:        client if backend returned specially crafted response.
                    535:        Thanks to Matthew Daley.
                    536: 
                    537:     *) Bugfix: in the embedded perl module if used from SSI.
                    538:        Thanks to Matthew Daley.
                    539: 
                    540:     *) Bugfix: in the ngx_http_uwsgi_module.
                    541: 
                    542: 
                    543: Changes with nginx 1.1.16                                        29 Feb 2012
                    544: 
                    545:     *) Change: the simultaneous subrequest limit has been raised to 200.
                    546: 
                    547:     *) Feature: the "from" parameter of the "disable_symlinks" directive.
                    548: 
                    549:     *) Feature: the "return" and "error_page" directives can now be used to
                    550:        return 307 redirections.
                    551: 
                    552:     *) Bugfix: a segmentation fault might occur in a worker process if the
                    553:        "resolver" directive was used and there was no "error_log" directive
                    554:        specified at global level.
                    555:        Thanks to Roman Arutyunyan.
                    556: 
                    557:     *) Bugfix: a segmentation fault might occur in a worker process if the
                    558:        "proxy_http_version 1.1" or "fastcgi_keep_conn on" directives were
                    559:        used.
                    560: 
                    561:     *) Bugfix: memory leaks.
                    562:        Thanks to Lanshun Zhou.
                    563: 
                    564:     *) Bugfix: in the "disable_symlinks" directive.
                    565: 
                    566:     *) Bugfix: on ZFS filesystem disk cache size might be calculated
                    567:        incorrectly; the bug had appeared in 1.0.1.
                    568: 
                    569:     *) Bugfix: nginx could not be built by the icc 12.1 compiler.
                    570: 
                    571:     *) Bugfix: nginx could not be built by gcc on Solaris; the bug had
                    572:        appeared in 1.1.15.
                    573: 
                    574: 
                    575: Changes with nginx 1.1.15                                        15 Feb 2012
                    576: 
                    577:     *) Feature: the "disable_symlinks" directive.
                    578: 
                    579:     *) Feature: the "proxy_cookie_domain" and "proxy_cookie_path"
                    580:        directives.
                    581: 
                    582:     *) Bugfix: nginx might log incorrect error "upstream prematurely closed
                    583:        connection" instead of correct "upstream sent too big header" one.
                    584:        Thanks to Feibo Li.
                    585: 
                    586:     *) Bugfix: nginx could not be built with the ngx_http_perl_module if the
                    587:        --with-openssl option was used.
                    588: 
                    589:     *) Bugfix: the number of internal redirects to named locations was not
                    590:        limited.
                    591: 
                    592:     *) Bugfix: calling $r->flush() multiple times might cause errors in the
                    593:        ngx_http_gzip_filter_module.
                    594: 
                    595:     *) Bugfix: temporary files might be not removed if the "proxy_store"
                    596:        directive was used with SSI includes.
                    597: 
                    598:     *) Bugfix: in some cases non-cacheable variables (such as the $args
                    599:        variable) returned old empty cached value.
                    600: 
                    601:     *) Bugfix: a segmentation fault might occur in a worker process if too
                    602:        many SSI subrequests were issued simultaneously; the bug had appeared
                    603:        in 0.7.25.
                    604: 
                    605: 
                    606: Changes with nginx 1.1.14                                        30 Jan 2012
                    607: 
                    608:     *) Feature: multiple "limit_req" limits may be used simultaneously.
                    609: 
                    610:     *) Bugfix: in error handling while connecting to a backend.
                    611:        Thanks to Piotr Sikora.
                    612: 
                    613:     *) Bugfix: in AIO error handling on FreeBSD.
                    614: 
                    615:     *) Bugfix: in the OpenSSL library initialization.
                    616: 
                    617:     *) Bugfix: the "proxy_redirect" directives might be inherited
                    618:        incorrectly.
                    619: 
                    620:     *) Bugfix: memory leak during reconfiguration if the "pcre_jit"
                    621:        directive was used.
                    622: 
                    623: 
                    624: Changes with nginx 1.1.13                                        16 Jan 2012
                    625: 
                    626:     *) Feature: the "TLSv1.1" and "TLSv1.2" parameters of the
                    627:        "ssl_protocols" directive.
                    628: 
                    629:     *) Bugfix: the "limit_req" directive parameters were not inherited
                    630:        correctly; the bug had appeared in 1.1.12.
                    631: 
                    632:     *) Bugfix: the "proxy_redirect" directive incorrectly processed
                    633:        "Refresh" header if regular expression were used.
                    634: 
                    635:     *) Bugfix: the "proxy_cache_use_stale" directive with "error" parameter
                    636:        did not return answer from cache if there were no live upstreams.
                    637: 
                    638:     *) Bugfix: the "worker_cpu_affinity" directive might not work.
                    639: 
                    640:     *) Bugfix: nginx could not be built on Solaris; the bug had appeared in
                    641:        1.1.12.
                    642: 
                    643:     *) Bugfix: in the ngx_http_mp4_module.
                    644: 
                    645: 
                    646: Changes with nginx 1.1.12                                        26 Dec 2011
                    647: 
                    648:     *) Change: a "proxy_pass" directive without URI part now uses changed
                    649:        URI after redirection with the "error_page" directive.
                    650:        Thanks to Lanshun Zhou.
                    651: 
                    652:     *) Feature: the "proxy/fastcgi/scgi/uwsgi_cache_lock",
                    653:        "proxy/fastcgi/scgi/uwsgi_cache_lock_timeout" directives.
                    654: 
                    655:     *) Feature: the "pcre_jit" directive.
                    656: 
                    657:     *) Feature: the "if" SSI command supports captures in regular
                    658:        expressions.
                    659: 
                    660:     *) Bugfix: the "if" SSI command did not work inside the "block" command.
                    661: 
                    662:     *) Bugfix: the "limit_conn_log_level" and "limit_req_log_level"
                    663:        directives might not work.
                    664: 
                    665:     *) Bugfix: the "limit_rate" directive did not allow to use full
                    666:        throughput, even if limit value was very high.
                    667: 
                    668:     *) Bugfix: the "sendfile_max_chunk" directive did not work, if the
                    669:        "limit_rate" directive was used.
                    670: 
                    671:     *) Bugfix: a "proxy_pass" directive without URI part always used
                    672:        original request URI if variables were used.
                    673: 
                    674:     *) Bugfix: a "proxy_pass" directive without URI part might use original
                    675:        request after redirection with the "try_files" directive.
                    676:        Thanks to Lanshun Zhou.
                    677: 
                    678:     *) Bugfix: in the ngx_http_scgi_module.
                    679: 
                    680:     *) Bugfix: in the ngx_http_mp4_module.
                    681: 
                    682:     *) Bugfix: nginx could not be built on Solaris; the bug had appeared in
                    683:        1.1.9.
                    684: 
                    685: 
                    686: Changes with nginx 1.1.11                                        12 Dec 2011
                    687: 
                    688:     *) Feature: the "so_keepalive" parameter of the "listen" directive.
                    689:        Thanks to Vsevolod Stakhov.
                    690: 
                    691:     *) Feature: the "if_not_empty" parameter of the
                    692:        "fastcgi/scgi/uwsgi_param" directives.
                    693: 
                    694:     *) Feature: the $https variable.
                    695: 
                    696:     *) Feature: the "proxy_redirect" directive supports variables in the
                    697:        first parameter.
                    698: 
                    699:     *) Feature: the "proxy_redirect" directive supports regular expressions.
                    700: 
                    701:     *) Bugfix: the $sent_http_cache_control variable might contain a wrong
                    702:        value if the "expires" directive was used.
                    703:        Thanks to Yichun Zhang.
                    704: 
                    705:     *) Bugfix: the "read_ahead" directive might not work combined with
                    706:        "try_files" and "open_file_cache".
                    707: 
                    708:     *) Bugfix: a segmentation fault might occur in a worker process if small
                    709:        time was used in the "inactive" parameter of the "proxy_cache_path"
                    710:        directive.
                    711: 
                    712:     *) Bugfix: responses from cache might hang.
                    713: 
                    714: 
                    715: Changes with nginx 1.1.10                                        30 Nov 2011
                    716: 
                    717:     *) Bugfix: a segmentation fault occured in a worker process if AIO was
                    718:        used on Linux; the bug had appeared in 1.1.9.
                    719: 
                    720: 
                    721: Changes with nginx 1.1.9                                         28 Nov 2011
                    722: 
                    723:     *) Change: now double quotes are encoded in an "echo" SSI-command
                    724:        output.
                    725:        Thanks to Zaur Abasmirzoev.
                    726: 
                    727:     *) Feature: the "valid" parameter of the "resolver" directive. By
                    728:        default TTL returned by a DNS server is used.
                    729:        Thanks to Kirill A. Korinskiy.
                    730: 
                    731:     *) Bugfix: nginx might hang after a worker process abnormal termination.
                    732: 
                    733:     *) Bugfix: a segmentation fault might occur in a worker process if SNI
                    734:        was used; the bug had appeared in 1.1.2.
                    735: 
                    736:     *) Bugfix: in the "keepalive_disable" directive; the bug had appeared in
                    737:        1.1.8.
                    738:        Thanks to Alexander Usov.
                    739: 
                    740:     *) Bugfix: SIGWINCH signal did not work after first binary upgrade; the
                    741:        bug had appeared in 1.1.1.
                    742: 
                    743:     *) Bugfix: backend responses with length not matching "Content-Length"
                    744:        header line are no longer cached.
                    745: 
                    746:     *) Bugfix: in the "scgi_param" directive, if complex parameters were
                    747:        used.
                    748: 
                    749:     *) Bugfix: in the "epoll" event method.
                    750:        Thanks to Yichun Zhang.
                    751: 
                    752:     *) Bugfix: in the ngx_http_flv_module.
                    753:        Thanks to Piotr Sikora.
                    754: 
                    755:     *) Bugfix: in the ngx_http_mp4_module.
                    756: 
                    757:     *) Bugfix: IPv6 addresses are now handled properly in a request line and
                    758:        in a "Host" request header line.
                    759: 
                    760:     *) Bugfix: "add_header" and "expires" directives did not work if a
                    761:        request was proxied and response status code was 206.
                    762: 
                    763:     *) Bugfix: nginx could not be built on FreeBSD 10.
                    764: 
                    765:     *) Bugfix: nginx could not be built on AIX.
                    766: 
                    767: 
                    768: Changes with nginx 1.1.8                                         14 Nov 2011
                    769: 
                    770:     *) Change: the ngx_http_limit_zone_module was renamed to the
                    771:        ngx_http_limit_conn_module.
                    772: 
                    773:     *) Change: the "limit_zone" directive was superseded by the
                    774:        "limit_conn_zone" directive with a new syntax.
                    775: 
                    776:     *) Feature: support for multiple "limit_conn" limits on the same level.
                    777: 
                    778:     *) Feature: the "image_filter_sharpen" directive.
                    779: 
                    780:     *) Bugfix: a segmentation fault might occur in a worker process if
                    781:        resolver got a big DNS response.
                    782:        Thanks to Ben Hawkes.
                    783: 
                    784:     *) Bugfix: in cache key calculation if internal MD5 implementation was
                    785:        used; the bug had appeared in 1.0.4.
                    786: 
                    787:     *) Bugfix: the "If-Modified-Since", "If-Range", etc. client request
                    788:        header lines might be passed to backend while caching; or not passed
                    789:        without caching if caching was enabled in another part of the
                    790:        configuration.
                    791: 
                    792:     *) Bugfix: the module ngx_http_mp4_module sent incorrect
                    793:        "Content-Length" response header line if the "start" argument was
                    794:        used.
                    795:        Thanks to Piotr Sikora.
                    796: 
                    797: 
                    798: Changes with nginx 1.1.7                                         31 Oct 2011
                    799: 
                    800:     *) Feature: support of several DNS servers in the "resolver" directive.
                    801:        Thanks to Kirill A. Korinskiy.
                    802: 
                    803:     *) Bugfix: a segmentation fault occurred on start or during
                    804:        reconfiguration if the "ssl" directive was used at http level and
                    805:        there was no "ssl_certificate" defined.
                    806: 
                    807:     *) Bugfix: reduced memory consumption while proxying big files if they
                    808:        were buffered to disk.
                    809: 
                    810:     *) Bugfix: a segmentation fault might occur in a worker process if
                    811:        "proxy_http_version 1.1" directive was used.
                    812: 
                    813:     *) Bugfix: in the "expires @time" directive.
                    814: 
                    815: 
                    816: Changes with nginx 1.1.6                                         17 Oct 2011
                    817: 
                    818:     *) Change in internal API: now module context data are cleared while
                    819:        internal redirect to named location.
                    820:        Requested by Yichun Zhang.
                    821: 
                    822:     *) Change: if a server in an upstream failed, only one request will be
                    823:        sent to it after fail_timeout; the server will be considered alive if
                    824:        it will successfully respond to the request.
                    825: 
                    826:     *) Change: now the 0x7F-0x1F characters are escaped as \xXX in an
                    827:        access_log.
                    828: 
                    829:     *) Feature: "proxy/fastcgi/scgi/uwsgi_ignore_headers" directives support
                    830:        the following additional values: X-Accel-Limit-Rate,
                    831:        X-Accel-Buffering, X-Accel-Charset.
                    832: 
                    833:     *) Feature: decrease of memory consumption if SSL is used.
                    834: 
                    835:     *) Bugfix: some UTF-8 characters were processed incorrectly.
                    836:        Thanks to Alexey Kuts.
                    837: 
                    838:     *) Bugfix: the ngx_http_rewrite_module directives specified at "server"
                    839:        level were executed twice if no matching locations were defined.
                    840: 
                    841:     *) Bugfix: a socket leak might occurred if "aio sendfile" was used.
                    842: 
                    843:     *) Bugfix: connections with fast clients might be closed after
                    844:        send_timeout if file AIO was used.
                    845: 
                    846:     *) Bugfix: in the ngx_http_autoindex_module.
                    847: 
                    848:     *) Bugfix: the module ngx_http_mp4_module did not support seeking on
                    849:        32-bit platforms.
                    850: 
                    851: 
                    852: Changes with nginx 1.1.5                                         05 Oct 2011
                    853: 
                    854:     *) Feature: the "uwsgi_buffering" and "scgi_buffering" directives.
                    855:        Thanks to Peter Smit.
                    856: 
                    857:     *) Bugfix: non-cacheable responses might be cached if
                    858:        "proxy_cache_bypass" directive was used.
                    859:        Thanks to John Ferlito.
                    860: 
                    861:     *) Bugfix: in HTTP/1.1 support in the ngx_http_proxy_module.
                    862: 
                    863:     *) Bugfix: cached responses with an empty body were returned
                    864:        incorrectly; the bug had appeared in 0.8.31.
                    865: 
                    866:     *) Bugfix: 201 responses of the ngx_http_dav_module were incorrect; the
                    867:        bug had appeared in 0.8.32.
                    868: 
                    869:     *) Bugfix: in the "return" directive.
                    870: 
                    871:     *) Bugfix: the "ssl_session_cache builtin" directive caused segmentation
                    872:        fault; the bug had appeared in 1.1.1.
                    873: 
                    874: 
                    875: Changes with nginx 1.1.4                                         20 Sep 2011
                    876: 
                    877:     *) Feature: the ngx_http_upstream_keepalive module.
                    878: 
                    879:     *) Feature: the "proxy_http_version" directive.
                    880: 
                    881:     *) Feature: the "fastcgi_keep_conn" directive.
                    882: 
                    883:     *) Feature: the "worker_aio_requests" directive.
                    884: 
                    885:     *) Bugfix: if nginx was built --with-file-aio it could not be run on
                    886:        Linux kernel which did not support AIO.
                    887: 
                    888:     *) Bugfix: in Linux AIO error processing.
                    889:        Thanks to Hagai Avrahami.
                    890: 
                    891:     *) Bugfix: reduced memory consumption for long-lived requests.
                    892: 
                    893:     *) Bugfix: the module ngx_http_mp4_module did not support 64-bit MP4
                    894:        "co64" atom.
                    895: 
                    896: 
                    897: Changes with nginx 1.1.3                                         14 Sep 2011
                    898: 
                    899:     *) Feature: the module ngx_http_mp4_module.
                    900: 
                    901:     *) Bugfix: in Linux AIO combined with open_file_cache.
                    902: 
                    903:     *) Bugfix: open_file_cache did not update file info on retest if file
                    904:        was not atomically changed.
                    905: 
                    906:     *) Bugfix: nginx could not be built on MacOSX 10.7.
                    907: 
                    908: 
                    909: Changes with nginx 1.1.2                                         05 Sep 2011
                    910: 
                    911:     *) Change: now if total size of all ranges is greater than source
                    912:        response size, then nginx disables ranges and returns just the source
                    913:        response.
                    914: 
                    915:     *) Feature: the "max_ranges" directive.
                    916: 
                    917:     *) Bugfix: the "ssl_verify_client", "ssl_verify_depth", and
                    918:        "ssl_prefer_server_ciphers" directives might work incorrectly if SNI
                    919:        was used.
                    920: 
                    921:     *) Bugfix: in the "proxy/fastcgi/scgi/uwsgi_ignore_client_abort"
                    922:        directives.
                    923: 
                    924: 
                    925: Changes with nginx 1.1.1                                         22 Aug 2011
                    926: 
                    927:     *) Change: now cache loader processes either as many files as specified
                    928:        by "loader_files" parameter or works no longer than time specified by
                    929:        the "loader_threshold" parameter during each iteration.
                    930: 
                    931:     *) Change: now SIGWINCH signal works only in daemon mode.
                    932: 
                    933:     *) Feature: now shared zones and caches use POSIX semaphores on Solaris.
                    934:        Thanks to Den Ivanov.
                    935: 
                    936:     *) Feature: accept filters are now supported on NetBSD.
                    937: 
                    938:     *) Bugfix: nginx could not be built on Linux 3.0.
                    939: 
                    940:     *) Bugfix: nginx did not use gzipping in some cases; the bug had
                    941:        appeared in 1.1.0.
                    942: 
                    943:     *) Bugfix: request body might be processed incorrectly if client used
                    944:        pipelining.
                    945: 
                    946:     *) Bugfix: in the "request_body_in_single_buf" directive.
                    947: 
                    948:     *) Bugfix: in "proxy_set_body" and "proxy_pass_request_body" directives
                    949:        if SSL connection to backend was used.
                    950: 
                    951:     *) Bugfix: nginx hogged CPU if all servers in an upstream were marked as
                    952:        "down".
                    953: 
                    954:     *) Bugfix: a segmentation fault might occur during reconfiguration if
                    955:        ssl_session_cache was defined but not used in previous configuration.
                    956: 
                    957:     *) Bugfix: a segmentation fault might occur in a worker process if many
                    958:        backup servers were used in an upstream.
                    959: 
                    960:     *) Bugfix: a segmentation fault might occur in a worker process if
                    961:        "fastcgi/scgi/uwsgi_param" directives were used with values starting
                    962:        with "HTTP_"; the bug had appeared in 0.8.40.
                    963: 
                    964: 
                    965: Changes with nginx 1.1.0                                         01 Aug 2011
                    966: 
                    967:     *) Feature: cache loader run time decrease.
                    968: 
                    969:     *) Feature: "loader_files", "loader_sleep", and "loader_threshold"
                    970:        options of the "proxy/fastcgi/scgi/uwsgi_cache_path" directives.
                    971: 
                    972:     *) Feature: loading time decrease of configuration with large number of
                    973:        HTTPS sites.
                    974: 
                    975:     *) Feature: now nginx supports ECDHE key exchange ciphers.
                    976:        Thanks to Adrian Kotelba.
                    977: 
                    978:     *) Feature: the "lingering_close" directive.
                    979:        Thanks to Maxim Dounin.
                    980: 
                    981:     *) Bugfix: in closing connection for pipelined requests.
                    982:        Thanks to Maxim Dounin.
                    983: 
                    984:     *) Bugfix: nginx did not disable gzipping if client sent "gzip;q=0" in
                    985:        "Accept-Encoding" request header line.
                    986: 
                    987:     *) Bugfix: in timeout in unbuffered proxied mode.
                    988:        Thanks to Maxim Dounin.
                    989: 
                    990:     *) Bugfix: memory leaks when a "proxy_pass" directive contains variables
                    991:        and proxies to an HTTPS backend.
                    992:        Thanks to Maxim Dounin.
                    993: 
                    994:     *) Bugfix: in parameter validaiton of a "proxy_pass" directive with
                    995:        variables.
                    996:        Thanks to Lanshun Zhou.
                    997: 
                    998:     *) Bugfix: SSL did not work on QNX.
                    999:        Thanks to Maxim Dounin.
                   1000: 
                   1001:     *) Bugfix: SSL modules could not be built by gcc 4.6 without
                   1002:        --with-debug option.
                   1003: 
                   1004: 
                   1005: Changes with nginx 1.0.5                                         19 Jul 2011
                   1006: 
                   1007:     *) Change: now default SSL ciphers are "HIGH:!aNULL:!MD5".
                   1008:        Thanks to Rob Stradling.
                   1009: 
                   1010:     *) Feature: the "referer_hash_max_size" and "referer_hash_bucket_size"
                   1011:        directives.
                   1012:        Thanks to Witold Filipczyk.
                   1013: 
                   1014:     *) Feature: $uid_reset variable.
                   1015: 
                   1016:     *) Bugfix: a segmentation fault might occur in a worker process, if a
                   1017:        caching was used.
                   1018:        Thanks to Lanshun Zhou.
                   1019: 
                   1020:     *) Bugfix: worker processes may got caught in an endless loop during
                   1021:        reconfiguration, if a caching was used; the bug had appeared in
                   1022:        0.8.48.
                   1023:        Thanks to Maxim Dounin.
                   1024: 
                   1025:     *) Bugfix: "stalled cache updating" alert.
                   1026:        Thanks to Maxim Dounin.
                   1027: 
                   1028: 
                   1029: Changes with nginx 1.0.4                                         01 Jun 2011
                   1030: 
                   1031:     *) Change: now regular expressions case sensitivity in the "map"
                   1032:        directive is given by prefixes "~" or "~*".
                   1033: 
                   1034:     *) Feature: now shared zones and caches use POSIX semaphores on Linux.
                   1035:        Thanks to Denis F. Latypoff.
                   1036: 
                   1037:     *) Bugfix: "stalled cache updating" alert.
                   1038: 
                   1039:     *) Bugfix: nginx could not be built --without-http_auth_basic_module;
                   1040:        the bug had appeared in 1.0.3.
                   1041: 
                   1042: 
                   1043: Changes with nginx 1.0.3                                         25 May 2011
                   1044: 
                   1045:     *) Feature: the "auth_basic_user_file" directive supports "$apr1",
                   1046:        "{PLAIN}", and "{SSHA}" password encryption methods.
                   1047:        Thanks to Maxim Dounin.
                   1048: 
                   1049:     *) Feature: the "geoip_org" directive and $geoip_org variable.
                   1050:        Thanks to Alexander Uskov, Arnaud Granal, and Denis F. Latypoff.
                   1051: 
                   1052:     *) Feature: ngx_http_geo_module and ngx_http_geoip_module support IPv4
                   1053:        addresses mapped to IPv6 addresses.
                   1054: 
                   1055:     *) Bugfix: a segmentation fault occurred in a worker process during
                   1056:        testing IPv4 address mapped to IPv6 address, if access or deny rules
                   1057:        were defined only for IPv6; the bug had appeared in 0.8.22.
                   1058: 
                   1059:     *) Bugfix: a cached response may be broken if "proxy/fastcgi/scgi/
                   1060:        uwsgi_cache_bypass" and "proxy/fastcgi/scgi/uwsgi_no_cache" directive
                   1061:        values were different; the bug had appeared in 0.8.46.
                   1062: 
                   1063: 
                   1064: Changes with nginx 1.0.2                                         10 May 2011
                   1065: 
                   1066:     *) Feature: now shared zones and caches use POSIX semaphores.
                   1067: 
                   1068:     *) Bugfix: in the "rotate" parameter of the "image_filter" directive.
                   1069:        Thanks to Adam Bocim.
                   1070: 
                   1071:     *) Bugfix: nginx could not be built on Solaris; the bug had appeared in
                   1072:        1.0.1.
                   1073: 
                   1074: 
                   1075: Changes with nginx 1.0.1                                         03 May 2011
                   1076: 
                   1077:     *) Change: now the "split_clients" directive uses MurmurHash2 algorithm
                   1078:        because of better distribution.
                   1079:        Thanks to Oleg Mamontov.
                   1080: 
                   1081:     *) Change: now long strings starting with zero are not considered as
                   1082:        false values.
                   1083:        Thanks to Maxim Dounin.
                   1084: 
                   1085:     *) Change: now nginx uses a default listen backlog value 511 on Linux.
                   1086: 
                   1087:     *) Feature: the $upstream_... variables may be used in the SSI and perl
                   1088:        modules.
                   1089: 
                   1090:     *) Bugfix: now nginx limits better disk cache size.
                   1091:        Thanks to Oleg Mamontov.
                   1092: 
                   1093:     *) Bugfix: a segmentation fault might occur while parsing incorrect IPv4
                   1094:        address; the bug had appeared in 0.9.3.
                   1095:        Thanks to Maxim Dounin.
                   1096: 
                   1097:     *) Bugfix: nginx could not be built by gcc 4.6 without --with-debug
                   1098:        option.
                   1099: 
                   1100:     *) Bugfix: nginx could not be built on Solaris 9 and earlier; the bug
                   1101:        had appeared in 0.9.3.
                   1102:        Thanks to Dagobert Michelsen.
                   1103: 
                   1104:     *) Bugfix: $request_time variable had invalid values if subrequests were
                   1105:        used; the bug had appeared in 0.8.47.
                   1106:        Thanks to Igor A. Valcov.
                   1107: 
                   1108: 
                   1109: Changes with nginx 1.0.0                                         12 Apr 2011
                   1110: 
                   1111:     *) Bugfix: a cache manager might hog CPU after reload.
                   1112:        Thanks to Maxim Dounin.
                   1113: 
                   1114:     *) Bugfix: an "image_filter crop" directive worked incorrectly coupled
                   1115:        with an "image_filter rotate 180" directive.
                   1116: 
                   1117:     *) Bugfix: a "satisfy any" directive disabled custom 401 error page.
                   1118: 
                   1119: 
                   1120: Changes with nginx 0.9.7                                         04 Apr 2011
                   1121: 
                   1122:     *) Feature: now keepalive connections may be closed premature, if there
                   1123:        are no free worker connections.
                   1124:        Thanks to Maxim Dounin.
                   1125: 
                   1126:     *) Feature: the "rotate" parameter of the "image_filter" directive.
                   1127:        Thanks to Adam Bocim.
                   1128: 
                   1129:     *) Bugfix: a case when a backend in "fastcgi_pass", "scgi_pass", or
                   1130:        "uwsgi_pass" directives is given by expression and refers to a
                   1131:        defined upstream.
                   1132: 
                   1133: 
                   1134: Changes with nginx 0.9.6                                         21 Mar 2011
                   1135: 
                   1136:     *) Feature: the "map" directive supports regular expressions as value of
                   1137:        the first parameter.
                   1138: 
                   1139:     *) Feature: $time_iso8601 access_log variable.
                   1140:        Thanks to Michael Lustfield.
                   1141: 
                   1142: 
                   1143: Changes with nginx 0.9.5                                         21 Feb 2011
                   1144: 
                   1145:     *) Change: now nginx uses a default listen backlog value -1 on Linux.
                   1146:        Thanks to Andrei Nigmatulin.
                   1147: 
                   1148:     *) Feature: the "utf8" parameter of "geoip_country" and "geoip_city"
                   1149:        directives.
                   1150:        Thanks to Denis F. Latypoff.
                   1151: 
                   1152:     *) Bugfix: in a default "proxy_redirect" directive if "proxy_pass"
                   1153:        directive has no URI part.
                   1154:        Thanks to Maxim Dounin.
                   1155: 
                   1156:     *) Bugfix: an "error_page" directive did not work with nonstandard error
                   1157:        codes; the bug had appeared in 0.8.53.
                   1158:        Thanks to Maxim Dounin.
                   1159: 
                   1160: 
                   1161: Changes with nginx 0.9.4                                         21 Jan 2011
                   1162: 
                   1163:     *) Feature: the "server_name" directive supports the $hostname variable.
                   1164: 
                   1165:     *) Feature: 494 code for "Request Header Too Large" error.
                   1166: 
                   1167: 
                   1168: Changes with nginx 0.9.3                                         13 Dec 2010
                   1169: 
                   1170:     *) Bugfix: if there was a single server for given IPv6 address:port
                   1171:        pair, then captures in regular expressions in a "server_name"
                   1172:        directive did not work.
                   1173: 
                   1174:     *) Bugfix: nginx could not be built on Solaris; the bug had appeared in
                   1175:        0.9.0.
                   1176: 
                   1177: 
                   1178: Changes with nginx 0.9.2                                         06 Dec 2010
                   1179: 
                   1180:     *) Feature: the "If-Unmodified-Since" client request header line
                   1181:        support.
                   1182: 
                   1183:     *) Workaround: fallback to accept() syscall if accept4() was not
                   1184:        implemented; the issue had appeared in 0.9.0.
                   1185: 
                   1186:     *) Bugfix: nginx could not be built on Cygwin; the bug had appeared in
                   1187:        0.9.0.
                   1188: 
                   1189:     *) Bugfix: for OpenSSL vulnerability CVE-2010-4180.
                   1190:        Thanks to Maxim Dounin.
                   1191: 
                   1192: 
                   1193: Changes with nginx 0.9.1                                         30 Nov 2010
                   1194: 
                   1195:     *) Bugfix: "return CODE message" directives did not work; the bug had
                   1196:        appeared in 0.9.0.
                   1197: 
                   1198: 
                   1199: Changes with nginx 0.9.0                                         29 Nov 2010
                   1200: 
                   1201:     *) Feature: the "keepalive_disable" directive.
                   1202: 
                   1203:     *) Feature: the "map" directive supports variables as value of a defined
                   1204:        variable.
                   1205: 
                   1206:     *) Feature: the "map" directive supports empty strings as value of the
                   1207:        first parameter.
                   1208: 
                   1209:     *) Feature: the "map" directive supports expressions as the first
                   1210:        parameter.
                   1211: 
                   1212:     *) Feature: nginx(8) manual page.
                   1213:        Thanks to Sergey Osokin.
                   1214: 
                   1215:     *) Feature: Linux accept4() support.
                   1216:        Thanks to Simon Liu.
                   1217: 
                   1218:     *) Workaround: elimination of Linux linker warning about "sys_errlist"
                   1219:        and "sys_nerr"; the warning had appeared in 0.8.35.
                   1220: 
                   1221:     *) Bugfix: a segmentation fault might occur in a worker process, if the
                   1222:        "auth_basic" directive was used.
                   1223:        Thanks to Michail Laletin.
                   1224: 
                   1225:     *) Bugfix: compatibility with ngx_http_eval_module; the bug had appeared
                   1226:        in 0.8.42.
                   1227: 
                   1228: 
                   1229: Changes with nginx 0.8.53                                        18 Oct 2010
                   1230: 
                   1231:     *) Feature: now the "error_page" directive allows to change a status
                   1232:        code in a redirect.
                   1233: 
                   1234:     *) Feature: the "gzip_disable" directive supports special "degradation"
                   1235:        mask.
                   1236: 
                   1237:     *) Bugfix: a socket leak might occurred if file AIO was used.
                   1238:        Thanks to Maxim Dounin.
                   1239: 
                   1240:     *) Bugfix: if the first server had no "listen" directive and there was
                   1241:        no explicit default server, then a next server with a "listen"
                   1242:        directive became the default server; the bug had appeared in 0.8.21.
                   1243: 
                   1244: 
                   1245: Changes with nginx 0.8.52                                        28 Sep 2010
                   1246: 
                   1247:     *) Bugfix: nginx used SSL mode for a listen socket if any listen option
                   1248:        was set; the bug had appeared in 0.8.51.
                   1249: 
                   1250: 
                   1251: Changes with nginx 0.8.51                                        27 Sep 2010
                   1252: 
                   1253:     *) Change: the "secure_link_expires" directive has been canceled.
                   1254: 
                   1255:     *) Change: a logging level of resolver errors has been lowered from
                   1256:        "alert" to "error".
                   1257: 
                   1258:     *) Feature: now a listen socket "ssl" parameter may be set several
                   1259:        times.
                   1260: 
                   1261: 
                   1262: Changes with nginx 0.8.50                                        02 Sep 2010
                   1263: 
                   1264:     *) Feature: the "secure_link", "secure_link_md5", and
                   1265:        "secure_link_expires" directives of the ngx_http_secure_link_module.
                   1266: 
                   1267:     *) Feature: the -q switch.
                   1268:        Thanks to Gena Makhomed.
                   1269: 
                   1270:     *) Bugfix: worker processes may got caught in an endless loop during
                   1271:        reconfiguration, if a caching was used; the bug had appeared in
                   1272:        0.8.48.
                   1273: 
                   1274:     *) Bugfix: in the "gzip_disable" directive.
                   1275:        Thanks to Derrick Petzold.
                   1276: 
                   1277:     *) Bugfix: nginx/Windows could not send stop, quit, reopen, and reload
                   1278:        signals to a process run in other session.
                   1279: 
                   1280: 
                   1281: Changes with nginx 0.8.49                                        09 Aug 2010
                   1282: 
                   1283:     *) Feature: the "image_filter_jpeg_quality" directive supports
                   1284:        variables.
                   1285: 
                   1286:     *) Bugfix: a segmentation fault might occur in a worker process, if the
                   1287:        $geoip_region_name variables was used; the bug had appeared in
                   1288:        0.8.48.
                   1289: 
                   1290:     *) Bugfix: errors intercepted by error_page were cached only for next
                   1291:        request; the bug had appeared in 0.8.48.
                   1292: 
                   1293: 
                   1294: Changes with nginx 0.8.48                                        03 Aug 2010
                   1295: 
                   1296:     *) Change: now the "server_name" directive default value is an empty
                   1297:        name "".
                   1298:        Thanks to Gena Makhomed.
                   1299: 
                   1300:     *) Change: now the "server_name_in_redirect" directive default value is
                   1301:        "off".
                   1302: 
                   1303:     *) Feature: the $geoip_dma_code, $geoip_area_code, and
                   1304:        $geoip_region_name variables.
                   1305:        Thanks to Christine McGonagle.
                   1306: 
                   1307:     *) Bugfix: the "proxy_pass", "fastcgi_pass", "uwsgi_pass", and
                   1308:        "scgi_pass" directives were not inherited inside "limit_except"
                   1309:        blocks.
                   1310: 
                   1311:     *) Bugfix: the "proxy_cache_min_uses", "fastcgi_cache_min_uses"
                   1312:        "uwsgi_cache_min_uses", and "scgi_cache_min_uses" directives did not
                   1313:        work; the bug had appeared in 0.8.46.
                   1314: 
                   1315:     *) Bugfix: the "fastcgi_split_path_info" directive used incorrectly
                   1316:        captures, if only parts of an URI were captured.
                   1317:        Thanks to Yuriy Taraday and Frank Enderle.
                   1318: 
                   1319:     *) Bugfix: the "rewrite" directive did not escape a ";" character during
                   1320:        copying from URI to query string.
                   1321:        Thanks to Daisuke Murase.
                   1322: 
                   1323:     *) Bugfix: the ngx_http_image_filter_module closed a connection, if an
                   1324:        image was larger than "image_filter_buffer" size.
                   1325: 
                   1326: 
                   1327: Changes with nginx 0.8.47                                        28 Jul 2010
                   1328: 
                   1329:     *) Bugfix: $request_time variable had invalid values for subrequests.
                   1330: 
                   1331:     *) Bugfix: errors intercepted by error_page could not be cached.
                   1332: 
                   1333:     *) Bugfix: a cache manager process may got caught in an endless loop, if
                   1334:        max_size parameter was used; the bug had appeared in 0.8.46.
                   1335: 
                   1336: 
                   1337: Changes with nginx 0.8.46                                        19 Jul 2010
                   1338: 
                   1339:     *) Change: now the "proxy_no_cache", "fastcgi_no_cache",
                   1340:        "uwsgi_no_cache", and "scgi_no_cache" directives affect on a cached
                   1341:        response saving only.
                   1342: 
                   1343:     *) Feature: the "proxy_cache_bypass", "fastcgi_cache_bypass",
                   1344:        "uwsgi_cache_bypass", and "scgi_cache_bypass" directives.
                   1345: 
                   1346:     *) Bugfix: nginx did not free memory in cache keys zones if there was an
                   1347:        error during working with backend: the memory was freed only after
                   1348:        inactivity time or on memory low condition.
                   1349: 
                   1350: 
                   1351: Changes with nginx 0.8.45                                        13 Jul 2010
                   1352: 
                   1353:     *) Feature: ngx_http_xslt_filter improvements.
                   1354:        Thanks to Laurence Rowe.
                   1355: 
                   1356:     *) Bugfix: SSI response might be truncated after include with
                   1357:        wait="yes"; the bug had appeared in 0.7.25.
                   1358:        Thanks to Maxim Dounin.
                   1359: 
                   1360:     *) Bugfix: the "listen" directive did not support the "setfib=0"
                   1361:        parameter.
                   1362: 
                   1363: 
                   1364: Changes with nginx 0.8.44                                        05 Jul 2010
                   1365: 
                   1366:     *) Change: now nginx does not cache by default backend responses, if
                   1367:        they have a "Set-Cookie" header line.
                   1368: 
                   1369:     *) Feature: the "listen" directive supports the "setfib" parameter.
                   1370:        Thanks to Andrew Filonov.
                   1371: 
                   1372:     *) Bugfix: the "sub_filter" directive might change character case on
                   1373:        partial match.
                   1374: 
                   1375:     *) Bugfix: compatibility with HP/UX.
                   1376: 
                   1377:     *) Bugfix: compatibility with AIX xlC_r compiler.
                   1378: 
                   1379:     *) Bugfix: nginx treated large SSLv2 packets as plain requests.
                   1380:        Thanks to Miroslaw Jaworski.
                   1381: 
                   1382: 
                   1383: Changes with nginx 0.8.43                                        30 Jun 2010
                   1384: 
                   1385:     *) Feature: large geo ranges base loading speed-up.
                   1386: 
                   1387:     *) Bugfix: an error_page redirection to "location /zero {return 204;}"
                   1388:        without changing status code kept the error body; the bug had
                   1389:        appeared in 0.8.42.
                   1390: 
                   1391:     *) Bugfix: nginx might close IPv6 listen socket during reconfiguration.
                   1392:        Thanks to Maxim Dounin.
                   1393: 
                   1394:     *) Bugfix: the $uid_set variable may be used at any request processing
                   1395:        stage.
                   1396: 
                   1397: 
                   1398: Changes with nginx 0.8.42                                        21 Jun 2010
                   1399: 
                   1400:     *) Change: now nginx tests locations given by regular expressions, if
                   1401:        request was matched exactly by a location given by a prefix string.
                   1402:        The previous behavior has been introduced in 0.7.1.
                   1403: 
                   1404:     *) Feature: the ngx_http_scgi_module.
                   1405:        Thanks to Manlio Perillo.
                   1406: 
                   1407:     *) Feature: a text answer may be added to a "return" directive.
                   1408: 
                   1409: 
                   1410: Changes with nginx 0.8.41                                        15 Jun 2010
                   1411: 
                   1412:     *) Security: nginx/Windows worker might be terminated abnormally if a
                   1413:        requested file name has invalid UTF-8 encoding.
                   1414: 
                   1415:     *) Change: now nginx allows to use spaces in a request line.
                   1416: 
                   1417:     *) Bugfix: the "proxy_redirect" directive changed incorrectly a backend
                   1418:        "Refresh" response header line.
                   1419:        Thanks to Andrey Andreew and Max Sogin.
                   1420: 
                   1421:     *) Bugfix: nginx did not support path without host name in "Destination"
                   1422:        request header line.
                   1423: 
                   1424: 
                   1425: Changes with nginx 0.8.40                                        07 Jun 2010
                   1426: 
                   1427:     *) Security: now nginx/Windows ignores default file stream name.
                   1428:        Thanks to Jose Antonio Vazquez Gonzalez.
                   1429: 
                   1430:     *) Feature: the ngx_http_uwsgi_module.
                   1431:        Thanks to Roberto De Ioris.
                   1432: 
                   1433:     *) Feature: a "fastcgi_param" directive with value starting with "HTTP_"
                   1434:        overrides a client request header line.
                   1435: 
                   1436:     *) Bugfix: the "If-Modified-Since", "If-Range", etc. client request
                   1437:        header lines were passed to FastCGI-server while caching.
                   1438: 
                   1439:     *) Bugfix: listen unix domain socket could not be changed during
                   1440:        reconfiguration.
                   1441:        Thanks to Maxim Dounin.
                   1442: 
                   1443: 
                   1444: Changes with nginx 0.8.39                                        31 May 2010
                   1445: 
                   1446:     *) Bugfix: an inherited "alias" directive worked incorrectly in
                   1447:        inclusive location.
                   1448: 
                   1449:     *) Bugfix: in "alias" with variables and "try_files" directives
                   1450:        combination.
                   1451: 
                   1452:     *) Bugfix: listen unix domain and IPv6 sockets did not inherit while
                   1453:        online upgrade.
                   1454:        Thanks to Maxim Dounin.
                   1455: 
                   1456: 
                   1457: Changes with nginx 0.8.38                                        24 May 2010
                   1458: 
                   1459:     *) Feature: the "proxy_no_cache" and "fastcgi_no_cache" directives.
                   1460: 
                   1461:     *) Feature: now the "rewrite" directive does a redirect automatically if
                   1462:        the $scheme variable is used.
                   1463:        Thanks to Piotr Sikora.
                   1464: 
                   1465:     *) Bugfix: now "limit_req" delay directive conforms to the described
                   1466:        algorithm.
                   1467:        Thanks to Maxim Dounin.
                   1468: 
                   1469:     *) Bugfix: the $uid_got variable might not be used in the SSI and perl
                   1470:        modules.
                   1471: 
                   1472: 
                   1473: Changes with nginx 0.8.37                                        17 May 2010
                   1474: 
                   1475:     *) Feature: the ngx_http_split_clients_module.
                   1476: 
                   1477:     *) Feature: the "map" directive supports keys more than 255 characters.
                   1478: 
                   1479:     *) Bugfix: nginx ignored the "private" and "no-store" values in the
                   1480:        "Cache-Control" backend response header line.
                   1481: 
                   1482:     *) Bugfix: a "stub" parameter of an "include" SSI directive was not
                   1483:        used, if empty response has 200 status code.
                   1484: 
                   1485:     *) Bugfix: if a proxied or FastCGI request was internally redirected to
                   1486:        another proxied or FastCGI location, then a segmentation fault might
                   1487:        occur in a worker process; the bug had appeared in 0.8.33.
                   1488:        Thanks to Yichun Zhang.
                   1489: 
                   1490:     *) Bugfix: IMAP connections may hang until they timed out while talking
                   1491:        to Zimbra server.
                   1492:        Thanks to Alan Batie.
                   1493: 
                   1494: 
                   1495: Changes with nginx 0.8.36                                        22 Apr 2010
                   1496: 
                   1497:     *) Bugfix: the ngx_http_dav_module handled incorrectly the DELETE, COPY,
                   1498:        and MOVE methods for symlinks.
                   1499: 
                   1500:     *) Bugfix: values of the $query_string, $arg_..., etc. variables cached
                   1501:        in main request were used by the SSI module in subrequests.
                   1502: 
                   1503:     *) Bugfix: a variable value was repeatedly encoded after each an "echo"
                   1504:        SSI-command output; the bug had appeared in 0.6.14.
                   1505: 
                   1506:     *) Bugfix: a worker process hung if a FIFO file was requested.
                   1507:        Thanks to Vicente Aguilar and Maxim Dounin.
                   1508: 
                   1509:     *) Bugfix: OpenSSL-1.0.0 compatibility on 64-bit Linux.
                   1510:        Thanks to Maxim Dounin.
                   1511: 
                   1512:     *) Bugfix: nginx could not be built --without-http-cache; the bug had
                   1513:        appeared in 0.8.35.
                   1514: 
                   1515: 
                   1516: Changes with nginx 0.8.35                                        01 Apr 2010
                   1517: 
                   1518:     *) Change: now the charset filter runs before the SSI filter.
                   1519: 
                   1520:     *) Feature: the "chunked_transfer_encoding" directive.
                   1521: 
                   1522:     *) Bugfix: an "&" character was not escaped when it was copied in
                   1523:        arguments part in a rewrite rule.
                   1524: 
                   1525:     *) Bugfix: nginx might be terminated abnormally while a signal
                   1526:        processing or if the directive "timer_resolution" was used on
                   1527:        platforms which do not support kqueue or eventport notification
                   1528:        methods.
                   1529:        Thanks to George Xie and Maxim Dounin.
                   1530: 
                   1531:     *) Bugfix: if temporary files and permanent storage area resided at
                   1532:        different file systems, then permanent file modification times were
                   1533:        incorrect.
                   1534:        Thanks to Maxim Dounin.
                   1535: 
                   1536:     *) Bugfix: ngx_http_memcached_module might issue the error message
                   1537:        "memcached sent invalid trailer".
                   1538:        Thanks to Maxim Dounin.
                   1539: 
                   1540:     *) Bugfix: nginx could not built zlib-1.2.4 library using the library
                   1541:        sources.
                   1542:        Thanks to Maxim Dounin.
                   1543: 
                   1544:     *) Bugfix: a segmentation fault occurred in a worker process, if there
                   1545:        was large stderr output before FastCGI response; the bug had appeared
                   1546:        in 0.8.34.
                   1547:        Thanks to Maxim Dounin.
                   1548: 
                   1549: 
                   1550: Changes with nginx 0.8.34                                        03 Mar 2010
                   1551: 
                   1552:     *) Bugfix: nginx did not support all ciphers and digests used in client
                   1553:        certificates.
                   1554:        Thanks to Innocenty Enikeew.
                   1555: 
                   1556:     *) Bugfix: nginx cached incorrectly FastCGI responses if there was large
                   1557:        stderr output before response.
                   1558: 
                   1559:     *) Bugfix: nginx did not support HTTPS referrers.
                   1560: 
                   1561:     *) Bugfix: nginx/Windows might not find file if path in configuration
                   1562:        was given in other character case; the bug had appeared in 0.8.33.
                   1563: 
                   1564:     *) Bugfix: the $date_local variable has an incorrect value, if the "%s"
                   1565:        format was used.
                   1566:        Thanks to Maxim Dounin.
                   1567: 
                   1568:     *) Bugfix: if ssl_session_cache was not set or was set to "none", then
                   1569:        during client certificate verify the error "session id context
                   1570:        uninitialized" might occur; the bug had appeared in 0.7.1.
                   1571: 
                   1572:     *) Bugfix: a geo range returned default value if the range included two
                   1573:        or more /16 networks and did not begin at /16 network boundary.
                   1574: 
                   1575:     *) Bugfix: a block used in a "stub" parameter of an "include" SSI
                   1576:        directive was output with "text/plain" MIME type.
                   1577: 
                   1578:     *) Bugfix: $r->sleep() did not work; the bug had appeared in 0.8.11.
                   1579: 
                   1580: 
                   1581: Changes with nginx 0.8.33                                        01 Feb 2010
                   1582: 
                   1583:     *) Security: now nginx/Windows ignores trailing spaces in URI.
                   1584:        Thanks to Dan Crowley, Core Security Technologies.
                   1585: 
                   1586:     *) Security: now nginx/Windows ignores short files names.
                   1587:        Thanks to Dan Crowley, Core Security Technologies.
                   1588: 
                   1589:     *) Change: now keepalive connections after POST requests are not
                   1590:        disabled for MSIE 7.0+.
                   1591:        Thanks to Adam Lounds.
                   1592: 
                   1593:     *) Workaround: now keepalive connections are disabled for Safari.
                   1594:        Thanks to Joshua Sierles.
                   1595: 
                   1596:     *) Bugfix: if a proxied or FastCGI request was internally redirected to
                   1597:        another proxied or FastCGI location, then $upstream_response_time
                   1598:        variable may have abnormally large value; the bug had appeared in
                   1599:        0.8.7.
                   1600: 
                   1601:     *) Bugfix: a segmentation fault might occur in a worker process, while
                   1602:        discarding a request body; the bug had appeared in 0.8.11.
                   1603: 
                   1604: 
                   1605: Changes with nginx 0.8.32                                        11 Jan 2010
                   1606: 
                   1607:     *) Bugfix: UTF-8 encoding usage in the ngx_http_autoindex_module.
                   1608:        Thanks to Maxim Dounin.
                   1609: 
                   1610:     *) Bugfix: regular expression named captures worked for two names only.
                   1611:        Thanks to Maxim Dounin.
                   1612: 
                   1613:     *) Bugfix: now the "localhost" name is used in the "Host" request header
                   1614:        line, if an unix domain socket is defined in the "auth_http"
                   1615:        directive.
                   1616:        Thanks to Maxim Dounin.
                   1617: 
                   1618:     *) Bugfix: nginx did not support chunked transfer encoding for 201
                   1619:        responses.
                   1620:        Thanks to Julian Reich.
                   1621: 
                   1622:     *) Bugfix: if the "expires modified" set date in the past, then a
                   1623:        negative number was set in the "Cache-Control" response header line.
                   1624:        Thanks to Alex Kapranoff.
                   1625: 
                   1626: 
                   1627: Changes with nginx 0.8.31                                        23 Dec 2009
                   1628: 
                   1629:     *) Feature: now the "error_page" directive may redirect the 301 and 302
                   1630:        responses.
                   1631: 
                   1632:     *) Feature: the $geoip_city_continent_code, $geoip_latitude, and
                   1633:        $geoip_longitude variables.
                   1634:        Thanks to Arvind Sundararajan.
                   1635: 
                   1636:     *) Feature: now the ngx_http_image_filter_module deletes always EXIF and
                   1637:        other application specific data if the data consume more than 5% of a
                   1638:        JPEG file.
                   1639: 
                   1640:     *) Bugfix: nginx closed a connection if a cached response had an empty
                   1641:        body.
                   1642:        Thanks to Piotr Sikora.
                   1643: 
                   1644:     *) Bugfix: nginx might not be built by gcc 4.x if the -O2 or higher
                   1645:        optimization option was used.
                   1646:        Thanks to Maxim Dounin and Denis F. Latypoff.
                   1647: 
                   1648:     *) Bugfix: regular expressions in location were always tested in
                   1649:        case-sensitive mode; the bug had appeared in 0.8.25.
                   1650: 
                   1651:     *) Bugfix: nginx cached a 304 response if there was the "If-None-Match"
                   1652:        header line in a proxied request.
                   1653:        Thanks to Tim Dettrick and David Kostal.
                   1654: 
                   1655:     *) Bugfix: nginx/Windows tried to delete a temporary file twice if the
                   1656:        file should replace an already existent file.
                   1657: 
                   1658: 
                   1659: Changes with nginx 0.8.30                                        15 Dec 2009
                   1660: 
                   1661:     *) Change: now the default buffer size of the
                   1662:        "large_client_header_buffers" directive is 8K.
                   1663:        Thanks to Andrew Cholakian.
                   1664: 
                   1665:     *) Feature: the conf/fastcgi.conf for simple FastCGI configurations.
                   1666: 
                   1667:     *) Bugfix: nginx/Windows tried to rename a temporary file twice if the
                   1668:        file should replace an already existent file.
                   1669: 
                   1670:     *) Bugfix: of "double free or corruption" error issued if host could not
                   1671:        be resolved; the bug had appeared in 0.8.22.
                   1672:        Thanks to Konstantin Svist.
                   1673: 
                   1674:     *) Bugfix: in libatomic usage on some platforms.
                   1675:        Thanks to W-Mark Kubacki.
                   1676: 
                   1677: 
                   1678: Changes with nginx 0.8.29                                        30 Nov 2009
                   1679: 
                   1680:     *) Change: now the "009" status code is written to an access log for
                   1681:        proxied HTTP/0.9 responses.
                   1682: 
                   1683:     *) Feature: the "addition_types", "charset_types", "gzip_types",
                   1684:        "ssi_types", "sub_filter_types", and "xslt_types" directives support
                   1685:        an "*" parameter.
                   1686: 
                   1687:     *) Feature: GCC 4.1+ built-in atomic operations usage.
                   1688:        Thanks to W-Mark Kubacki.
                   1689: 
                   1690:     *) Feature: the --with-libatomic[=DIR] option in the configure.
                   1691:        Thanks to W-Mark Kubacki.
                   1692: 
                   1693:     *) Bugfix: listen unix domain socket had limited access rights.
                   1694: 
                   1695:     *) Bugfix: cached HTTP/0.9 responses were handled incorrectly.
                   1696: 
                   1697:     *) Bugfix: regular expression named captures given by "?P<...>" did not
                   1698:        work in a "server_name" directive.
                   1699:        Thanks to Maxim Dounin.
                   1700: 
                   1701: 
                   1702: Changes with nginx 0.8.28                                        23 Nov 2009
                   1703: 
                   1704:     *) Bugfix: nginx could not be built with the --without-pcre parameter;
                   1705:        the bug had appeared in 0.8.25.
                   1706: 
                   1707: 
                   1708: Changes with nginx 0.8.27                                        17 Nov 2009
                   1709: 
                   1710:     *) Bugfix: regular expressions did not work in nginx/Windows; the bug
                   1711:        had appeared in 0.8.25.
                   1712: 
                   1713: 
                   1714: Changes with nginx 0.8.26                                        16 Nov 2009
                   1715: 
                   1716:     *) Bugfix: in captures usage in "rewrite" directive; the bug had
                   1717:        appeared in 0.8.25.
                   1718: 
                   1719:     *) Bugfix: nginx could not be built without the --with-debug option; the
                   1720:        bug had appeared in 0.8.25.
                   1721: 
                   1722: 
                   1723: Changes with nginx 0.8.25                                        16 Nov 2009
                   1724: 
                   1725:     *) Change: now no message is written in an error log if a variable is
                   1726:        not found by $r->variable() method.
                   1727: 
                   1728:     *) Feature: the ngx_http_degradation_module.
                   1729: 
                   1730:     *) Feature: regular expression named captures.
                   1731: 
                   1732:     *) Feature: now URI part is not required a "proxy_pass" directive if
                   1733:        variables are used.
                   1734: 
                   1735:     *) Feature: now the "msie_padding" directive works for Chrome too.
                   1736: 
                   1737:     *) Bugfix: a segmentation fault occurred in a worker process on low
                   1738:        memory condition; the bug had appeared in 0.8.18.
                   1739: 
                   1740:     *) Bugfix: nginx sent gzipped responses to clients those do not support
                   1741:        gzip, if "gzip_static on" and "gzip_vary off"; the bug had appeared
                   1742:        in 0.8.16.
                   1743: 
                   1744: 
                   1745: Changes with nginx 0.8.24                                        11 Nov 2009
                   1746: 
                   1747:     *) Bugfix: nginx always added "Content-Encoding: gzip" response header
                   1748:        line in 304 responses sent by ngx_http_gzip_static_module.
                   1749: 
                   1750:     *) Bugfix: nginx could not be built without the --with-debug option; the
                   1751:        bug had appeared in 0.8.23.
                   1752: 
                   1753:     *) Bugfix: the "unix:" parameter of the "set_real_ip_from" directive
                   1754:        inherited incorrectly from previous level.
                   1755: 
                   1756:     *) Bugfix: in resolving empty name.
                   1757: 
                   1758: 
                   1759: Changes with nginx 0.8.23                                        11 Nov 2009
                   1760: 
                   1761:     *) Security: now SSL/TLS renegotiation is disabled.
                   1762:        Thanks to Maxim Dounin.
                   1763: 
                   1764:     *) Bugfix: listen unix domain socket did not inherit while online
                   1765:        upgrade.
                   1766: 
                   1767:     *) Bugfix: the "unix:" parameter of the "set_real_ip_from" directive did
                   1768:        not without yet another directive with any IP address.
                   1769: 
                   1770:     *) Bugfix: segmentation fault and infinite looping in resolver.
                   1771: 
                   1772:     *) Bugfix: in resolver.
                   1773:        Thanks to Artem Bokhan.
                   1774: 
                   1775: 
                   1776: Changes with nginx 0.8.22                                        03 Nov 2009
                   1777: 
                   1778:     *) Feature: the "proxy_bind", "fastcgi_bind", and "memcached_bind"
                   1779:        directives.
                   1780: 
                   1781:     *) Feature: the "access" and the "deny" directives support IPv6.
                   1782: 
                   1783:     *) Feature: the "set_real_ip_from" directive supports IPv6 addresses in
                   1784:        request headers.
                   1785: 
                   1786:     *) Feature: the "unix:" parameter of the "set_real_ip_from" directive.
                   1787: 
                   1788:     *) Bugfix: nginx did not delete unix domain socket after configuration
                   1789:        testing.
                   1790: 
                   1791:     *) Bugfix: nginx deleted unix domain socket while online upgrade.
                   1792: 
                   1793:     *) Bugfix: the "!-x" operator did not work.
                   1794:        Thanks to Maxim Dounin.
                   1795: 
                   1796:     *) Bugfix: a segmentation fault might occur in a worker process, if
                   1797:        limit_rate was used in HTTPS server.
                   1798:        Thanks to Maxim Dounin.
                   1799: 
                   1800:     *) Bugfix: a segmentation fault might occur in a worker process while
                   1801:        $limit_rate logging.
                   1802:        Thanks to Maxim Dounin.
                   1803: 
                   1804:     *) Bugfix: a segmentation fault might occur in a worker process, if
                   1805:        there was no "listen" directive in "server" block; the bug had
                   1806:        appeared in 0.8.21.
                   1807: 
                   1808: 
                   1809: Changes with nginx 0.8.21                                        26 Oct 2009
                   1810: 
                   1811:     *) Feature: now the "-V" switch shows TLS SNI support.
                   1812: 
                   1813:     *) Feature: the "listen" directive of the HTTP module supports unix
                   1814:        domain sockets.
                   1815:        Thanks to Hongli Lai.
                   1816: 
                   1817:     *) Feature: the "default_server" parameter of the "listen" directive.
                   1818: 
                   1819:     *) Feature: now a "default" parameter is not required to set listen
                   1820:        socket options.
                   1821: 
                   1822:     *) Bugfix: nginx did not support dates in 2038 year on 32-bit platforms;
                   1823: 
                   1824:     *) Bugfix: socket leak; the bug had appeared in 0.8.11.
                   1825: 
                   1826: 
                   1827: Changes with nginx 0.8.20                                        14 Oct 2009
                   1828: 
                   1829:     *) Change: now default SSL ciphers are "HIGH:!ADH:!MD5".
                   1830: 
                   1831:     *) Bugfix: the ngx_http_autoindex_module did not show the trailing slash
                   1832:        in links to a directory; the bug had appeared in 0.7.15.
                   1833: 
                   1834:     *) Bugfix: nginx did not close a log file set by the --error-log-path
                   1835:        configuration option; the bug had appeared in 0.7.53.
                   1836: 
                   1837:     *) Bugfix: nginx did not treat a comma as separator in the
                   1838:        "Cache-Control" backend response header line.
                   1839: 
                   1840:     *) Bugfix: nginx/Windows might not create temporary file, a cache file,
                   1841:        or "proxy/fastcgi_store"d file if a worker had no enough access
                   1842:        rights for top level directories.
                   1843: 
                   1844:     *) Bugfix: the "Set-Cookie" and "P3P" FastCGI response header lines were
                   1845:        not hidden while caching if no "fastcgi_hide_header" directives were
                   1846:        used with any parameters.
                   1847: 
                   1848:     *) Bugfix: nginx counted incorrectly disk cache size.
                   1849: 
                   1850: 
                   1851: Changes with nginx 0.8.19                                        06 Oct 2009
                   1852: 
                   1853:     *) Change: now SSLv2 protocol is disabled by default.
                   1854: 
                   1855:     *) Change: now default SSL ciphers are "ALL:!ADH:RC4+RSA:+HIGH:+MEDIUM".
                   1856: 
                   1857:     *) Bugfix: a "limit_req" directive did not work; the bug had appeared in
                   1858:        0.8.18.
                   1859: 
                   1860: 
                   1861: Changes with nginx 0.8.18                                        06 Oct 2009
                   1862: 
                   1863:     *) Feature: the "read_ahead" directive.
                   1864: 
                   1865:     *) Feature: now several "perl_modules" directives may be used.
                   1866: 
                   1867:     *) Feature: the "limit_req_log_level" and "limit_conn_log_level"
                   1868:        directives.
                   1869: 
                   1870:     *) Bugfix: now "limit_req" directive conforms to the leaky bucket
                   1871:        algorithm.
                   1872:        Thanks to Maxim Dounin.
                   1873: 
                   1874:     *) Bugfix: nginx did not work on Linux/sparc.
                   1875:        Thanks to Marcus Ramberg.
                   1876: 
                   1877:     *) Bugfix: nginx sent '\0' in a "Location" response header line on MKCOL
                   1878:        request.
                   1879:        Thanks to Xie Zhenye.
                   1880: 
                   1881:     *) Bugfix: zero status code was logged instead of 499 status code; the
                   1882:        bug had appeared in 0.8.11.
                   1883: 
                   1884:     *) Bugfix: socket leak; the bug had appeared in 0.8.11.
                   1885: 
                   1886: 
                   1887: Changes with nginx 0.8.17                                        28 Sep 2009
                   1888: 
                   1889:     *) Security: now "/../" are disabled in "Destination" request header
                   1890:        line.
                   1891: 
                   1892:     *) Change: now $host variable value is always low case.
                   1893: 
                   1894:     *) Feature: the $ssl_session_id variable.
                   1895: 
                   1896:     *) Bugfix: socket leak; the bug had appeared in 0.8.11.
                   1897: 
                   1898: 
                   1899: Changes with nginx 0.8.16                                        22 Sep 2009
                   1900: 
                   1901:     *) Feature: the "image_filter_transparency" directive.
                   1902: 
                   1903:     *) Bugfix: "addition_types" directive was incorrectly named
                   1904:        "addtion_types".
                   1905: 
                   1906:     *) Bugfix: resolver cache poisoning.
                   1907:        Thanks to Matthew Dempsky.
                   1908: 
                   1909:     *) Bugfix: memory leak in resolver.
                   1910:        Thanks to Matthew Dempsky.
                   1911: 
                   1912:     *) Bugfix: invalid request line in $request variable was written in
                   1913:        access_log only if error_log was set to "info" or "debug" level.
                   1914: 
                   1915:     *) Bugfix: in PNG alpha-channel support in the
                   1916:        ngx_http_image_filter_module.
                   1917: 
                   1918:     *) Bugfix: nginx always added "Vary: Accept-Encoding" response header
                   1919:        line, if both "gzip_static" and "gzip_vary" were on.
                   1920: 
                   1921:     *) Bugfix: in UTF-8 encoding support by "try_files" directive in
                   1922:        nginx/Windows.
                   1923: 
                   1924:     *) Bugfix: in "post_action" directive usage; the bug had appeared in
                   1925:        0.8.11.
                   1926:        Thanks to Igor Artemiev.
                   1927: 
                   1928: 
                   1929: Changes with nginx 0.8.15                                        14 Sep 2009
                   1930: 
                   1931:     *) Security: a segmentation fault might occur in worker process while
                   1932:        specially crafted request handling.
                   1933:        Thanks to Chris Ries.
                   1934: 
                   1935:     *) Bugfix: if names .domain.tld, .sub.domain.tld, and .domain-some.tld
                   1936:        were defined, then the name .sub.domain.tld was matched by
                   1937:        .domain.tld.
                   1938: 
                   1939:     *) Bugfix: in transparency support in the ngx_http_image_filter_module.
                   1940: 
                   1941:     *) Bugfix: in file AIO.
                   1942: 
                   1943:     *) Bugfix: in X-Accel-Redirect usage; the bug had appeared in 0.8.11.
                   1944: 
                   1945:     *) Bugfix: in embedded perl module; the bug had appeared in 0.8.11.
                   1946: 
                   1947: 
                   1948: Changes with nginx 0.8.14                                        07 Sep 2009
                   1949: 
                   1950:     *) Bugfix: an expired cached response might stick in the "UPDATING"
                   1951:        state.
                   1952: 
                   1953:     *) Bugfix: a segmentation fault might occur in worker process, if
                   1954:        error_log was set to info or debug level.
                   1955:        Thanks to Sergey Bochenkov.
                   1956: 
                   1957:     *) Bugfix: in embedded perl module; the bug had appeared in 0.8.11.
                   1958: 
                   1959:     *) Bugfix: an "error_page" directive did not redirect a 413 error; the
                   1960:        bug had appeared in 0.6.10.
                   1961: 
                   1962: 
                   1963: Changes with nginx 0.8.13                                        31 Aug 2009
                   1964: 
                   1965:     *) Bugfix: in the "aio sendfile" directive; the bug had appeared in
                   1966:        0.8.12.
                   1967: 
                   1968:     *) Bugfix: nginx could not be built without the --with-file-aio option
                   1969:        on FreeBSD; the bug had appeared in 0.8.12.
                   1970: 
                   1971: 
                   1972: Changes with nginx 0.8.12                                        31 Aug 2009
                   1973: 
                   1974:     *) Feature: the "sendfile" parameter in the "aio" directive on FreeBSD.
                   1975: 
                   1976:     *) Bugfix: in try_files; the bug had appeared in 0.8.11.
                   1977: 
                   1978:     *) Bugfix: in memcached; the bug had appeared in 0.8.11.
                   1979: 
                   1980: 
                   1981: Changes with nginx 0.8.11                                        28 Aug 2009
                   1982: 
                   1983:     *) Change: now directive "gzip_disable msie6" does not disable gzipping
                   1984:        for MSIE 6.0 SV1.
                   1985: 
                   1986:     *) Feature: file AIO support on FreeBSD and Linux.
                   1987: 
                   1988:     *) Feature: the "directio_alignment" directive.
                   1989: 
                   1990: 
                   1991: Changes with nginx 0.8.10                                        24 Aug 2009
                   1992: 
                   1993:     *) Bugfix: memory leaks if GeoIP City database was used.
                   1994: 
                   1995:     *) Bugfix: in copying temporary files to permanent storage area; the bug
                   1996:        had appeared in 0.8.9.
                   1997: 
                   1998: 
                   1999: Changes with nginx 0.8.9                                         17 Aug 2009
                   2000: 
                   2001:     *) Feature: now the start cache loader runs in a separate process; this
                   2002:        should improve large caches handling.
                   2003: 
                   2004:     *) Feature: now temporary files and permanent storage area may reside at
                   2005:        different file systems.
                   2006: 
                   2007: 
                   2008: Changes with nginx 0.8.8                                         10 Aug 2009
                   2009: 
                   2010:     *) Bugfix: in handling FastCGI headers split in records.
                   2011: 
                   2012:     *) Bugfix: a segmentation fault occurred in worker process, if a request
                   2013:        was handled in two proxied or FastCGIed locations and a caching was
                   2014:        enabled in the first location; the bug had appeared in 0.8.7.
                   2015: 
                   2016: 
                   2017: Changes with nginx 0.8.7                                         27 Jul 2009
                   2018: 
                   2019:     *) Change: minimum supported OpenSSL version is 0.9.7.
                   2020: 
                   2021:     *) Change: the "ask" parameter of the "ssl_verify_client" directive was
                   2022:        changed to the "optional" parameter and now it checks a client
                   2023:        certificate if it was offered.
                   2024:        Thanks to Brice Figureau.
                   2025: 
                   2026:     *) Feature: the $ssl_client_verify variable.
                   2027:        Thanks to Brice Figureau.
                   2028: 
                   2029:     *) Feature: the "ssl_crl" directive.
                   2030:        Thanks to Brice Figureau.
                   2031: 
                   2032:     *) Feature: the "proxy" parameter of the "geo" directive.
                   2033: 
                   2034:     *) Feature: the "image_filter" directive supports variables for setting
                   2035:        size.
                   2036: 
                   2037:     *) Bugfix: the $ssl_client_cert variable usage corrupted memory; the bug
                   2038:        had appeared in 0.7.7.
                   2039:        Thanks to Sergey Zhuravlev.
                   2040: 
                   2041:     *) Bugfix: "proxy_pass_header" and "fastcgi_pass_header" directives did
                   2042:        not pass to a client the "X-Accel-Redirect", "X-Accel-Limit-Rate",
                   2043:        "X-Accel-Buffering", and "X-Accel-Charset" lines from backend
                   2044:        response header.
                   2045:        Thanks to Maxim Dounin.
                   2046: 
                   2047:     *) Bugfix: in handling "Last-Modified" and "Accept-Ranges" backend
                   2048:        response header lines; the bug had appeared in 0.7.44.
                   2049:        Thanks to Maxim Dounin.
                   2050: 
                   2051:     *) Bugfix: the "[alert] zero size buf" error if subrequest returns an
                   2052:        empty response; the bug had appeared in 0.8.5.
                   2053: 
                   2054: 
                   2055: Changes with nginx 0.8.6                                         20 Jul 2009
                   2056: 
                   2057:     *) Feature: the ngx_http_geoip_module.
                   2058: 
                   2059:     *) Bugfix: XSLT filter may fail with message "not well formed XML
                   2060:        document" for valid XML document.
                   2061:        Thanks to Kuramoto Eiji.
                   2062: 
                   2063:     *) Bugfix: now in MacOSX, Cygwin, and nginx/Windows locations given by a
                   2064:        regular expression are always tested in case insensitive mode.
                   2065: 
                   2066:     *) Bugfix: now nginx/Windows ignores trailing dots in URI.
                   2067:        Thanks to Hugo Leisink.
                   2068: 
                   2069:     *) Bugfix: name of file specified in --conf-path was not honored during
                   2070:        installation; the bug had appeared in 0.6.6.
                   2071:        Thanks to Maxim Dounin.
                   2072: 
                   2073: 
                   2074: Changes with nginx 0.8.5                                         13 Jul 2009
                   2075: 
                   2076:     *) Bugfix: now nginx allows underscores in a request method.
                   2077: 
                   2078:     *) Bugfix: a 500 error code was returned for invalid login/password
                   2079:        while HTTP Basic authentication on Windows.
                   2080: 
                   2081:     *) Bugfix: ngx_http_perl_module responses did not work in subrequests.
                   2082: 
                   2083:     *) Bugfix: in ngx_http_limit_req_module.
                   2084:        Thanks to Maxim Dounin.
                   2085: 
                   2086: 
                   2087: Changes with nginx 0.8.4                                         22 Jun 2009
                   2088: 
                   2089:     *) Bugfix: nginx could not be built --without-http-cache; the bug had
                   2090:        appeared in 0.8.3.
                   2091: 
                   2092: 
                   2093: Changes with nginx 0.8.3                                         19 Jun 2009
                   2094: 
                   2095:     *) Feature: the $upstream_cache_status variable.
                   2096: 
                   2097:     *) Bugfix: nginx could not be built on MacOSX 10.6.
                   2098: 
                   2099:     *) Bugfix: nginx could not be built --without-http-cache; the bug had
                   2100:        appeared in 0.8.2.
                   2101: 
                   2102:     *) Bugfix: a segmentation fault occurred in worker process, if a backend
                   2103:        401 error was intercepted and the backend did not set the
                   2104:        "WWW-Authenticate" response header line.
                   2105:        Thanks to Eugene Mychlo.
                   2106: 
                   2107: 
                   2108: Changes with nginx 0.8.2                                         15 Jun 2009
                   2109: 
                   2110:     *) Bugfix: in open_file_cache and proxy/fastcgi cache interaction on
                   2111:        start up.
                   2112: 
                   2113:     *) Bugfix: open_file_cache might cache open file descriptors too long;
                   2114:        the bug had appeared in 0.7.4.
                   2115: 
                   2116: 
                   2117: Changes with nginx 0.8.1                                         08 Jun 2009
                   2118: 
                   2119:     *) Feature: the "updating" parameter in "proxy_cache_use_stale" and
                   2120:        "fastcgi_cache_use_stale" directives.
                   2121: 
                   2122:     *) Bugfix: the "If-Modified-Since", "If-Range", etc. client request
                   2123:        header lines were passed to backend while caching if no
                   2124:        "proxy_set_header" directive was used with any parameters.
                   2125: 
                   2126:     *) Bugfix: the "Set-Cookie" and "P3P" response header lines were not
                   2127:        hidden while caching if no "proxy_hide_header/fastcgi_hide_header"
                   2128:        directives were used with any parameters.
                   2129: 
                   2130:     *) Bugfix: the ngx_http_image_filter_module did not support GIF87a
                   2131:        format.
                   2132:        Thanks to Denis Ilyinyh.
                   2133: 
                   2134:     *) Bugfix: nginx could not be built modules on Solaris 10 and early; the
                   2135:        bug had appeared in 0.7.56.
                   2136: 
                   2137: 
                   2138: Changes with nginx 0.8.0                                         02 Jun 2009
                   2139: 
                   2140:     *) Feature: the "keepalive_requests" directive.
                   2141: 
                   2142:     *) Feature: the "limit_rate_after" directive.
                   2143:        Thanks to Ivan Debnar.
                   2144: 
                   2145:     *) Bugfix: XLST filter did not work in subrequests.
                   2146: 
                   2147:     *) Bugfix: in relative paths handling in nginx/Windows.
                   2148: 
                   2149:     *) Bugfix: in proxy_store, fastcgi_store, proxy_cache, and fastcgi_cache
                   2150:        in nginx/Windows.
                   2151: 
                   2152:     *) Bugfix: in memory allocation error handling.
                   2153:        Thanks to Maxim Dounin and Kirill A. Korinskiy.
                   2154: 
                   2155: 
                   2156: Changes with nginx 0.7.59                                        25 May 2009
                   2157: 
                   2158:     *) Feature: the "proxy_cache_methods" and "fastcgi_cache_methods"
                   2159:        directives.
                   2160: 
                   2161:     *) Bugfix: socket leak; the bug had appeared in 0.7.25.
                   2162:        Thanks to Maxim Dounin.
                   2163: 
                   2164:     *) Bugfix: a segmentation fault occurred in worker process, if a request
                   2165:        had no body and the $request_body variable was used;
                   2166:        the bug had appeared in 0.7.58.
                   2167: 
                   2168:     *) Bugfix: the SSL modules might not built on Solaris and Linux;
                   2169:        the bug had appeared in 0.7.56.
                   2170: 
                   2171:     *) Bugfix: ngx_http_xslt_filter_module responses were not handled by
                   2172:        SSI, charset, and gzip filters.
                   2173: 
                   2174:     *) Bugfix: a "charset" directive did not set a charset to
                   2175:        ngx_http_gzip_static_module responses.
                   2176: 
                   2177: 
                   2178: Changes with nginx 0.7.58                                        18 May 2009
                   2179: 
                   2180:     *) Feature: a "listen" directive of the mail proxy module supports IPv6.
                   2181: 
                   2182:     *) Feature: the "image_filter_jpeg_quality" directive.
                   2183: 
                   2184:     *) Feature: the "client_body_in_single_buffer" directive.
                   2185: 
                   2186:     *) Feature: the $request_body variable.
                   2187: 
                   2188:     *) Bugfix: in ngx_http_autoindex_module in file name links having a ":"
                   2189:        symbol in the name.
                   2190: 
                   2191:     *) Bugfix: "make upgrade" procedure did not work; the bug had appeared
                   2192:        in 0.7.53.
                   2193:        Thanks to Denis F. Latypoff.
                   2194: 
                   2195: 
                   2196: Changes with nginx 0.7.57                                        12 May 2009
                   2197: 
                   2198:     *) Bugfix: a floating-point fault occurred in worker process, if the
                   2199:        ngx_http_image_filter_module errors were redirected to named
                   2200:        location; the bug had appeared in 0.7.56.
                   2201: 
                   2202: 
                   2203: Changes with nginx 0.7.56                                        11 May 2009
                   2204: 
                   2205:     *) Feature: nginx/Windows supports IPv6 in a "listen" directive of the
                   2206:        HTTP module.
                   2207: 
                   2208:     *) Bugfix: in ngx_http_image_filter_module.
                   2209: 
                   2210: 
                   2211: Changes with nginx 0.7.55                                        06 May 2009
                   2212: 
                   2213:     *) Bugfix: the http_XXX parameters in "proxy_cache_use_stale" and
                   2214:        "fastcgi_cache_use_stale" directives did not work.
                   2215: 
                   2216:     *) Bugfix: fastcgi cache did not cache header only responses.
                   2217: 
                   2218:     *) Bugfix: of "select() failed (9: Bad file descriptor)" error in
                   2219:        nginx/Unix and "select() failed (10038: ...)" error in nginx/Windows.
                   2220: 
                   2221:     *) Bugfix: a segmentation fault might occur in worker process, if an
                   2222:        "debug_connection" directive was used; the bug had appeared in
                   2223:        0.7.54.
                   2224: 
                   2225:     *) Bugfix: fix ngx_http_image_filter_module building errors.
                   2226: 
                   2227:     *) Bugfix: the files bigger than 2G could not be transferred using
                   2228:        $r->sendfile.
                   2229:        Thanks to Maxim Dounin.
                   2230: 
                   2231: 
                   2232: Changes with nginx 0.7.54                                        01 May 2009
                   2233: 
                   2234:     *) Feature: the ngx_http_image_filter_module.
                   2235: 
                   2236:     *) Feature: the "proxy_ignore_headers" and "fastcgi_ignore_headers"
                   2237:        directives.
                   2238: 
                   2239:     *) Bugfix: a segmentation fault might occur in worker process, if an
                   2240:        "open_file_cache_errors off" directive was used; the bug had appeared
                   2241:        in 0.7.53.
                   2242: 
                   2243:     *) Bugfix: the "port_in_redirect off" directive did not work; the bug
                   2244:        had appeared in 0.7.39.
                   2245: 
                   2246:     *) Bugfix: improve handling of "select" method errors.
                   2247: 
                   2248:     *) Bugfix: of "select() failed (10022: ...)" error in nginx/Windows.
                   2249: 
                   2250:     *) Bugfix: in error text descriptions in nginx/Windows; the bug had
                   2251:        appeared in 0.7.53.
                   2252: 
                   2253: 
                   2254: Changes with nginx 0.7.53                                        27 Apr 2009
                   2255: 
                   2256:     *) Change: now a log set by --error-log-path is created from the very
                   2257:        start-up.
                   2258: 
                   2259:     *) Feature: now the start up errors and warnings are outputted to an
                   2260:        error_log and stderr.
                   2261: 
                   2262:     *) Feature: the empty --prefix= configure parameter forces nginx to use
                   2263:        a directory where it was run as prefix.
                   2264: 
                   2265:     *) Feature: the -p switch.
                   2266: 
                   2267:     *) Feature: the -s switch on Unix platforms.
                   2268: 
                   2269:     *) Feature: the -? and -h switches.
                   2270:        Thanks to Jerome Loyet.
                   2271: 
                   2272:     *) Feature: now switches may be set in condensed form.
                   2273: 
                   2274:     *) Bugfix: nginx/Windows did not work if configuration file was given by
                   2275:        the -c switch.
                   2276: 
                   2277:     *) Bugfix: temporary files might be not removed if the "proxy_store",
                   2278:        "fastcgi_store", "proxy_cache", or "fastcgi_cache" were used.
                   2279:        Thanks to Maxim Dounin.
                   2280: 
                   2281:     *) Bugfix: an incorrect value was passed to mail proxy authentication
                   2282:        server in "Auth-Method" header line; the bug had appeared
                   2283:        in 0.7.34.
                   2284:        Thanks to Simon Lecaille.
                   2285: 
                   2286:     *) Bugfix: system error text descriptions were not logged on Linux;
                   2287:        the bug had appeared in 0.7.45.
                   2288: 
                   2289:     *) Bugfix: the "fastcgi_cache_min_uses" directive did not work.
                   2290:        Thanks to Andrew Vorobyoff.
                   2291: 
                   2292: 
                   2293: Changes with nginx 0.7.52                                        20 Apr 2009
                   2294: 
                   2295:     *) Feature: the first native Windows binary release.
                   2296: 
                   2297:     *) Bugfix: in processing HEAD method while caching.
                   2298: 
                   2299:     *) Bugfix: in processing the "If-Modified-Since", "If-Range", etc.
                   2300:        client request header lines while caching.
                   2301: 
                   2302:     *) Bugfix: now the "Set-Cookie" and "P3P" header lines are hidden in
                   2303:        cacheable responses.
                   2304: 
                   2305:     *) Bugfix: if nginx was built with the ngx_http_perl_module and with a
                   2306:        perl which supports threads, then during a master process exit the
                   2307:        message "panic: MUTEX_LOCK" might be issued.
                   2308: 
                   2309:     *) Bugfix: nginx could not be built --without-http-cache; the bug had
                   2310:        appeared in 0.7.48.
                   2311: 
                   2312:     *) Bugfix: nginx could not be built on platforms different from i386,
                   2313:        amd64, sparc, and ppc; the bug had appeared in 0.7.42.
                   2314: 
                   2315: 
                   2316: Changes with nginx 0.7.51                                        12 Apr 2009
                   2317: 
                   2318:     *) Feature: the "try_files" directive supports a response code in the
                   2319:        fallback parameter.
                   2320: 
                   2321:     *) Feature: now any response code can be used in the "return" directive.
                   2322: 
                   2323:     *) Bugfix: the "error_page" directive made an external redirect without
                   2324:        query string; the bug had appeared in 0.7.44.
                   2325: 
                   2326:     *) Bugfix: if servers listened on several defined explicitly addresses,
                   2327:        then virtual servers might not work; the bug had appeared in 0.7.39.
                   2328: 
                   2329: 
                   2330: Changes with nginx 0.7.50                                        06 Apr 2009
                   2331: 
                   2332:     *) Bugfix: the $arg_... variables did not work; the bug had appeared in
                   2333:        0.7.49.
                   2334: 
                   2335: 
                   2336: Changes with nginx 0.7.49                                        06 Apr 2009
                   2337: 
                   2338:     *) Bugfix: a segmentation fault might occur in worker process, if the
                   2339:        $arg_... variables were used; the bug had appeared in 0.7.48.
                   2340: 
                   2341: 
                   2342: Changes with nginx 0.7.48                                        06 Apr 2009
                   2343: 
                   2344:     *) Feature: the "proxy_cache_key" directive.
                   2345: 
                   2346:     *) Bugfix: now nginx takes into account the "X-Accel-Expires",
                   2347:        "Expires", and "Cache-Control" header lines in a backend response.
                   2348: 
                   2349:     *) Bugfix: now nginx caches responses for the GET requests only.
                   2350: 
                   2351:     *) Bugfix: the "fastcgi_cache_key" directive was not inherited.
                   2352: 
                   2353:     *) Bugfix: the $arg_... variables did not work with SSI subrequests.
                   2354:        Thanks to Maxim Dounin.
                   2355: 
                   2356:     *) Bugfix: nginx could not be built with uclibc library.
                   2357:        Thanks to Timothy Redaelli.
                   2358: 
                   2359:     *) Bugfix: nginx could not be built on OpenBSD; the bug had
                   2360:        appeared in 0.7.46.
                   2361: 
                   2362: 
                   2363: Changes with nginx 0.7.47                                        01 Apr 2009
                   2364: 
                   2365:     *) Bugfix: nginx could not be built on FreeBSD 6 and early versions; the
                   2366:        bug had appeared in 0.7.46.
                   2367: 
                   2368:     *) Bugfix: nginx could not be built on MacOSX; the bug had
                   2369:        appeared in 0.7.46.
                   2370: 
                   2371:     *) Bugfix: if the "max_size" parameter was set, then the cache manager
                   2372:        might purge a whole cache; the bug had appeared in 0.7.46.
                   2373: 
                   2374:     *) Change: a segmentation fault might occur in worker process, if the
                   2375:        "proxy_cache"/"fastcgi_cache" and the "proxy_cache_valid"/
                   2376:        "fastcgi_cache_valid" were set on different levels; the bug had
                   2377:        appeared in 0.7.46.
                   2378: 
                   2379:     *) Bugfix: a segmentation fault might occur in worker process, if a
                   2380:        request was redirected to a proxied or FastCGI server via error_page
                   2381:        or try_files; the bug had appeared in 0.7.44.
                   2382: 
                   2383: 
                   2384: Changes with nginx 0.7.46                                        30 Mar 2009
                   2385: 
                   2386:     *) Bugfix: the previous release tarball was incorrect.
                   2387: 
                   2388: 
                   2389: Changes with nginx 0.7.45                                        30 Mar 2009
                   2390: 
                   2391:     *) Change: now the "proxy_cache" and the "proxy_cache_valid" directives
                   2392:        can be set on different levels.
                   2393: 
                   2394:     *) Change: the "clean_time" parameter of the "proxy_cache_path"
                   2395:        directive is canceled.
                   2396: 
                   2397:     *) Feature: the "max_size" parameter of the "proxy_cache_path"
                   2398:        directive.
                   2399: 
                   2400:     *) Feature: the ngx_http_fastcgi_module preliminary cache support.
                   2401: 
                   2402:     *) Feature: now on shared memory allocation errors directive and zone
                   2403:        names are logged.
                   2404: 
                   2405:     *) Bugfix: the directive "add_header last-modified ''" did not delete a
                   2406:        "Last-Modified" response header line; the bug had appeared in 0.7.44.
                   2407: 
                   2408:     *) Bugfix: a relative path in the "auth_basic_user_file" directive given
                   2409:        without variables did not work; the bug had appeared in 0.7.44.
                   2410:        Thanks to Jerome Loyet.
                   2411: 
                   2412:     *) Bugfix: in an "alias" directive given using variables without
                   2413:        references to captures of regular expressions; the bug had appeared
                   2414:        in 0.7.42.
                   2415: 
                   2416: 
                   2417: Changes with nginx 0.7.44                                        23 Mar 2009
                   2418: 
                   2419:     *) Feature: the ngx_http_proxy_module preliminary cache support.
                   2420: 
                   2421:     *) Feature: the --with-pcre option in the configure.
                   2422: 
                   2423:     *) Feature: the "try_files" directive is now allowed on the server block
                   2424:        level.
                   2425: 
                   2426:     *) Bugfix: the "try_files" directive handled incorrectly a query string
                   2427:        in a fallback parameter.
                   2428: 
                   2429:     *) Bugfix: the "try_files" directive might test incorrectly directories.
                   2430: 
                   2431:     *) Bugfix: if there was a single server for given address:port pair,
                   2432:        then captures in regular expressions in a "server_name" directive did
                   2433:        not work.
                   2434: 
                   2435: 
                   2436: Changes with nginx 0.7.43                                        18 Mar 2009
                   2437: 
                   2438:     *) Bugfix: a request was handled incorrectly, if a "root" directive used
                   2439:        variables; the bug had appeared in 0.7.42.
                   2440: 
                   2441:     *) Bugfix: if a server listened on wildcard address, then the
                   2442:        $server_addr variable value was "0.0.0.0"; the bug had appeared in
                   2443:        0.7.36.
                   2444: 
                   2445: 
                   2446: Changes with nginx 0.7.42                                        16 Mar 2009
                   2447: 
                   2448:     *) Change: now the "Invalid argument" error returned by
                   2449:        setsockopt(TCP_NODELAY) on Solaris, is ignored.
                   2450: 
                   2451:     *) Change: now if a file specified in a "auth_basic_user_file" directive
                   2452:        is absent, then the 403 error is returned instead of the 500 one.
                   2453: 
                   2454:     *) Feature: the "auth_basic_user_file" directive supports variables.
                   2455:        Thanks to Kirill A. Korinskiy.
                   2456: 
                   2457:     *) Feature: the "listen" directive supports the "ipv6only" parameter.
                   2458:        Thanks to Zhang Hua.
                   2459: 
                   2460:     *) Bugfix: in an "alias" directive with references to captures of
                   2461:        regular expressions; the bug had appeared in 0.7.40.
                   2462: 
                   2463:     *) Bugfix: compatibility with Tru64 UNIX.
                   2464:        Thanks to Dustin Marquess.
                   2465: 
                   2466:     *) Bugfix: nginx could not be built without PCRE library; the bug had
                   2467:        appeared in 0.7.41.
                   2468: 
                   2469: 
                   2470: Changes with nginx 0.7.41                                        11 Mar 2009
                   2471: 
                   2472:     *) Bugfix: a segmentation fault might occur in worker process, if a
                   2473:        "server_name" or a "location" directives had captures in regular
                   2474:        expressions; the issue had appeared in 0.7.40.
                   2475:        Thanks to Vladimir Sopot.
                   2476: 
                   2477: 
                   2478: Changes with nginx 0.7.40                                        09 Mar 2009
                   2479: 
                   2480:     *) Feature: the "location" directive supports captures in regular
                   2481:        expressions.
                   2482: 
                   2483:     *) Feature: an "alias" directive with capture references may be used
                   2484:        inside a location given by a regular expression with captures.
                   2485: 
                   2486:     *) Feature: the "server_name" directive supports captures in regular
                   2487:        expressions.
                   2488: 
                   2489:     *) Workaround: the ngx_http_autoindex_module did not show the trailing
                   2490:        slash in directories on XFS filesystem; the issue had appeared in
                   2491:        0.7.15.
                   2492:        Thanks to Dmitry Kuzmenko.
                   2493: 
                   2494: 
                   2495: Changes with nginx 0.7.39                                        02 Mar 2009
                   2496: 
                   2497:     *) Bugfix: large response with SSI might hang, if gzipping was enabled;
                   2498:        the bug had appeared in 0.7.28.
                   2499:        Thanks to Artem Bokhan.
                   2500: 
                   2501:     *) Bugfix: a segmentation fault might occur in worker process, if short
                   2502:        static variants are used in a "try_files" directive.
                   2503: 
                   2504: 
                   2505: Changes with nginx 0.7.38                                        23 Feb 2009
                   2506: 
                   2507:     *) Feature: authentication failures logging.
                   2508: 
                   2509:     *) Bugfix: name/password in auth_basic_user_file were ignored after odd
                   2510:        number of empty lines.
                   2511:        Thanks to Alexander Zagrebin.
                   2512: 
                   2513:     *) Bugfix: a segmentation fault occurred in a master process, if long
                   2514:        path was used in unix domain socket; the bug had appeared in 0.7.36.
                   2515: 
                   2516: 
                   2517: Changes with nginx 0.7.37                                        21 Feb 2009
                   2518: 
                   2519:     *) Bugfix: directives using upstreams did not work; the bug had appeared
                   2520:        in 0.7.36.
                   2521: 
                   2522: 
                   2523: Changes with nginx 0.7.36                                        21 Feb 2009
                   2524: 
                   2525:     *) Feature: a preliminary IPv6 support; the "listen" directive of the
                   2526:        HTTP module supports IPv6.
                   2527: 
                   2528:     *) Bugfix: the $ancient_browser variable did not work for browsers
                   2529:        preset by a "modern_browser" directives.
                   2530: 
                   2531: 
                   2532: Changes with nginx 0.7.35                                        16 Feb 2009
                   2533: 
                   2534:     *) Bugfix: a "ssl_engine" directive did not use a SSL-accelerator for
                   2535:        asymmetric ciphers.
                   2536:        Thanks to Marcin Gozdalik.
                   2537: 
                   2538:     *) Bugfix: a "try_files" directive set MIME type depending on an
                   2539:        original request extension.
                   2540: 
                   2541:     *) Bugfix: "*domain.tld" names were handled incorrectly in
                   2542:        "server_name", "valid_referers", and "map" directives, if
                   2543:        ".domain.tld" and ".subdomain.domain.tld" wildcards were used;
                   2544:        the bug had appeared in 0.7.9.
                   2545: 
                   2546: 
                   2547: Changes with nginx 0.7.34                                        10 Feb 2009
                   2548: 
                   2549:     *) Feature: the "off" parameter of the "if_modified_since" directive.
                   2550: 
                   2551:     *) Feature: now nginx sends an HELO/EHLO command after a XCLIENT
                   2552:        command.
                   2553:        Thanks to Maxim Dounin.
                   2554: 
                   2555:     *) Feature: Microsoft specific "AUTH LOGIN with User Name" mode support
                   2556:        in mail proxy server.
                   2557:        Thanks to Maxim Dounin.
                   2558: 
                   2559:     *) Bugfix: in a redirect rewrite directive original arguments were
                   2560:        concatenated with new arguments by a "?" rather than an "&";
                   2561:        the bug had appeared in 0.1.18.
                   2562:        Thanks to Maxim Dounin.
                   2563: 
                   2564:     *) Bugfix: nginx could not be built on AIX.
                   2565: 
                   2566: 
                   2567: Changes with nginx 0.7.33                                        02 Feb 2009
                   2568: 
                   2569:     *) Bugfix: a double response might be returned if the epoll or rtsig
                   2570:        methods are used and a redirect was returned to a request with body.
                   2571:        Thanks to Eden Li.
                   2572: 
                   2573:     *) Bugfix: the $sent_http_location variable was empty for some redirects
                   2574:        types.
                   2575: 
                   2576:     *) Bugfix: a segmentation fault might occur in worker process if
                   2577:        "resolver" directive was used in SMTP proxy.
                   2578: 
                   2579: 
                   2580: Changes with nginx 0.7.32                                        26 Jan 2009
                   2581: 
                   2582:     *) Feature: now a directory existence testing can be set explicitly in
                   2583:        the "try_files" directive.
                   2584: 
                   2585:     *) Bugfix: fastcgi_store stored files not always.
                   2586: 
                   2587:     *) Bugfix: in geo ranges.
                   2588: 
                   2589:     *) Bugfix: in shared memory allocations if nginx was built without
                   2590:        debugging.
                   2591:        Thanks to Andrey Kvasov.
                   2592: 
                   2593: 
                   2594: Changes with nginx 0.7.31                                        19 Jan 2009
                   2595: 
                   2596:     *) Change: now the "try_files" directive tests files only and ignores
                   2597:        directories.
                   2598: 
                   2599:     *) Feature: the "fastcgi_split_path_info" directive.
                   2600: 
                   2601:     *) Bugfixes in an "Expect" request header line support.
                   2602: 
                   2603:     *) Bugfixes in geo ranges.
                   2604: 
                   2605:     *) Bugfix: in a miss case ngx_http_memcached_module returned the "END"
                   2606:        line as response body instead of default 404 page body; the bug had
                   2607:        appeared in 0.7.18.
                   2608:        Thanks to Maxim Dounin.
                   2609: 
                   2610:     *) Bugfix: while SMTP proxying nginx issued message "250 2.0.0 OK"
                   2611:        instead of "235 2.0.0 OK"; the bug had appeared in 0.7.22.
                   2612:        Thanks to Maxim Dounin.
                   2613: 
                   2614: 
                   2615: Changes with nginx 0.7.30                                        24 Dec 2008
                   2616: 
                   2617:     *) Bugfix: a segmentation fault occurred in worker process, if variables
                   2618:        were used in the "fastcgi_pass" or "proxy_pass" directives and host
                   2619:        name must be resolved; the bug had appeared in 0.7.29.
                   2620: 
                   2621: 
                   2622: Changes with nginx 0.7.29                                        24 Dec 2008
                   2623: 
                   2624:     *) Bugfix: the "fastcgi_pass" and "proxy_pass" directives did not
                   2625:        support variables if unix domain sockets were used.
                   2626: 
                   2627:     *) Bugfixes in subrequest processing; the bugs had appeared in 0.7.25.
                   2628: 
                   2629:     *) Bugfix: a "100 Continue" response was issued for HTTP/1.0 requests;
                   2630:        Thanks to Maxim Dounin.
                   2631: 
                   2632:     *) Bugfix: in memory allocation in the ngx_http_gzip_filter_module on
                   2633:        Cygwin.
                   2634: 
                   2635: 
                   2636: Changes with nginx 0.7.28                                        22 Dec 2008
                   2637: 
                   2638:     *) Change: in memory allocation in the ngx_http_gzip_filter_module.
                   2639: 
                   2640:     *) Change: the default "gzip_buffers" directive values have been changed
                   2641:        to 32 4k or 16 8k from 4 4k/8k.
                   2642: 
                   2643: 
                   2644: Changes with nginx 0.7.27                                        15 Dec 2008
                   2645: 
                   2646:     *) Feature: the "try_files" directive.
                   2647: 
                   2648:     *) Feature: variables support in the "fastcgi_pass" directive.
                   2649: 
                   2650:     *) Feature: now the $geo variable may get an address from a variable.
                   2651:        Thanks to Andrei Nigmatulin.
                   2652: 
                   2653:     *) Feature: now a location's modifier may be used without space before
                   2654:        name.
                   2655: 
                   2656:     *) Feature: the $upstream_response_length variable.
                   2657: 
                   2658:     *) Bugfix: now a "add_header" directive does not add an empty value.
                   2659: 
                   2660:     *) Bugfix: if zero length static file was requested, then nginx just
                   2661:        closed connection; the bug had appeared in 0.7.25.
                   2662: 
                   2663:     *) Bugfix: a MOVE method could not move file in non-existent directory.
                   2664: 
                   2665:     *) Bugfix: a segmentation fault occurred in worker process, if no one
                   2666:        named location was defined in server, but some one was used in an
                   2667:        error_page directive.
                   2668:        Thanks to Sergey Bochenkov.
                   2669: 
                   2670: 
                   2671: Changes with nginx 0.7.26                                        08 Dec 2008
                   2672: 
                   2673:     *) Bugfix: in subrequest processing; the bug had appeared in 0.7.25.
                   2674: 
                   2675: 
                   2676: Changes with nginx 0.7.25                                        08 Dec 2008
                   2677: 
                   2678:     *) Change: in subrequest processing.
                   2679: 
                   2680:     *) Change: now POSTs without "Content-Length" header line are allowed.
                   2681: 
                   2682:     *) Bugfix: now the "limit_req" and "limit_conn" directives log a
                   2683:        prohibition reason.
                   2684: 
                   2685:     *) Bugfix: in the "delete" parameter of the "geo" directive.
                   2686: 
                   2687: 
                   2688: Changes with nginx 0.7.24                                        01 Dec 2008
                   2689: 
                   2690:     *) Feature: the "if_modified_since" directive.
                   2691: 
                   2692:     *) Bugfix: nginx did not process a FastCGI server response, if the
                   2693:        server send too many messages to stderr before response.
                   2694: 
                   2695:     *) Bugfix: the "$cookie_..." variables did not work in the SSI and the
                   2696:        perl module.
                   2697: 
                   2698: 
                   2699: Changes with nginx 0.7.23                                        27 Nov 2008
                   2700: 
                   2701:     *) Feature: the "delete" and "ranges" parameters in the "geo" directive.
                   2702: 
                   2703:     *) Feature: speeding up loading of geo base with large number of values.
                   2704: 
                   2705:     *) Feature: decrease of memory required for geo base load.
                   2706: 
                   2707: 
                   2708: Changes with nginx 0.7.22                                        20 Nov 2008
                   2709: 
                   2710:     *) Feature: the "none" parameter in the "smtp_auth" directive.
                   2711:        Thanks to Maxim Dounin.
                   2712: 
                   2713:     *) Feature: the "$cookie_..." variables.
                   2714: 
                   2715:     *) Bugfix: the "directio" directive did not work in XFS filesystem.
                   2716: 
                   2717:     *) Bugfix: the resolver did not understand big DNS responses.
                   2718:        Thanks to Zyb.
                   2719: 
                   2720: 
                   2721: Changes with nginx 0.7.21                                        11 Nov 2008
                   2722: 
                   2723:     *) Changes in the ngx_http_limit_req_module.
                   2724: 
                   2725:     *) Feature: the EXSLT support in the ngx_http_xslt_module.
                   2726:        Thanks to Denis F. Latypoff.
                   2727: 
                   2728:     *) Workaround: compatibility with glibc 2.3.
                   2729:        Thanks to Eric Benson and Maxim Dounin.
                   2730: 
                   2731:     *) Bugfix: nginx could not run on MacOSX 10.4 and earlier; the bug had
                   2732:        appeared in 0.7.6.
                   2733: 
                   2734: 
                   2735: Changes with nginx 0.7.20                                        10 Nov 2008
                   2736: 
                   2737:     *) Changes in the ngx_http_gzip_filter_module.
                   2738: 
                   2739:     *) Feature: the ngx_http_limit_req_module.
                   2740: 
                   2741:     *) Bugfix: worker processes might exit on a SIGBUS signal on sparc and
                   2742:        ppc platforms; the bug had appeared in 0.7.3.
                   2743:        Thanks to Maxim Dounin.
                   2744: 
                   2745:     *) Bugfix: the "proxy_pass http://host/some:uri" directives did not
                   2746:        work; the bug had appeared in 0.7.12.
                   2747: 
                   2748:     *) Bugfix: in HTTPS mode requests might fail with the "bad write retry"
                   2749:        error.
                   2750: 
                   2751:     *) Bugfix: the ngx_http_secure_link_module did not work inside
                   2752:        locations, whose names are less than 3 characters.
                   2753: 
                   2754:     *) Bugfix: $server_addr variable might have no value.
                   2755: 
                   2756: 
                   2757: Changes with nginx 0.7.19                                        13 Oct 2008
                   2758: 
                   2759:     *) Bugfix: version number update.
                   2760: 
                   2761: 
                   2762: Changes with nginx 0.7.18                                        13 Oct 2008
                   2763: 
                   2764:     *) Change: the "underscores_in_headers" directive; now nginx does not
                   2765:        allows underscores in a client request header line names.
                   2766: 
                   2767:     *) Feature: the ngx_http_secure_link_module.
                   2768: 
                   2769:     *) Feature: the "real_ip_header" directive supports any header.
                   2770: 
                   2771:     *) Feature: the "log_subrequest" directive.
                   2772: 
                   2773:     *) Feature: the $realpath_root variable.
                   2774: 
                   2775:     *) Feature: the "http_502" and "http_504" parameters of the
                   2776:        "proxy_next_upstream" directive.
                   2777: 
                   2778:     *) Bugfix: the "http_503" parameter of the "proxy_next_upstream" or
                   2779:        "fastcgi_next_upstream" directives did not work.
                   2780: 
                   2781:     *) Bugfix: nginx might send a "Transfer-Encoding: chunked" header line
                   2782:        for HEAD requests.
                   2783: 
                   2784:     *) Bugfix: now accept threshold depends on worker_connections.
                   2785: 
                   2786: 
                   2787: Changes with nginx 0.7.17                                        15 Sep 2008
                   2788: 
                   2789:     *) Feature: now the "directio" directive works on Linux.
                   2790: 
                   2791:     *) Feature: the $pid variable.
                   2792: 
                   2793:     *) Bugfix: the "directio" optimization that had appeared in 0.7.15 did
                   2794:        not work with open_file_cache.
                   2795: 
                   2796:     *) Bugfix: the "access_log" with variables did not work on Linux; the
                   2797:        bug had appeared in 0.7.7.
                   2798: 
                   2799:     *) Bugfix: the ngx_http_charset_module did not understand quoted charset
                   2800:        name received from backend.
                   2801: 
                   2802: 
                   2803: Changes with nginx 0.7.16                                        08 Sep 2008
                   2804: 
                   2805:     *) Bugfix: nginx could not be built on 64-bit platforms; the bug had
                   2806:        appeared in 0.7.15.
                   2807: 
                   2808: 
                   2809: Changes with nginx 0.7.15                                        08 Sep 2008
                   2810: 
                   2811:     *) Feature: the ngx_http_random_index_module.
                   2812: 
                   2813:     *) Feature: the "directio" directive has been optimized for file
                   2814:        requests starting from arbitrary position.
                   2815: 
                   2816:     *) Feature: the "directio" directive turns off sendfile if it is
                   2817:        necessary.
                   2818: 
                   2819:     *) Feature: now nginx allows underscores in a client request header line
                   2820:        names.
                   2821: 
                   2822: 
                   2823: Changes with nginx 0.7.14                                        01 Sep 2008
                   2824: 
                   2825:     *) Change: now the ssl_certificate and ssl_certificate_key directives
                   2826:        have no default values.
                   2827: 
                   2828:     *) Feature: the "listen" directive supports the "ssl" parameter.
                   2829: 
                   2830:     *) Feature: now nginx takes into account a time zone change while
                   2831:        reconfiguration on FreeBSD and Linux.
                   2832: 
                   2833:     *) Bugfix: the "listen" directive parameters such as "backlog",
                   2834:        "rcvbuf", etc. were not set, if a default server was not the first
                   2835:        one.
                   2836: 
                   2837:     *) Bugfix: if URI part captured by a "rewrite" directive was used as a
                   2838:        query string, then the query string was not escaped.
                   2839: 
                   2840:     *) Bugfix: configuration file validity test improvements.
                   2841: 
                   2842: 
                   2843: Changes with nginx 0.7.13                                        26 Aug 2008
                   2844: 
                   2845:     *) Bugfix: nginx could not be built on Linux and Solaris; the bug had
                   2846:        appeared in 0.7.12.
                   2847: 
                   2848: 
                   2849: Changes with nginx 0.7.12                                        26 Aug 2008
                   2850: 
                   2851:     *) Feature: the "server_name" directive supports empty name "".
                   2852: 
                   2853:     *) Feature: the "gzip_disable" directive supports special "msie6" mask.
                   2854: 
                   2855:     *) Bugfix: if the "max_fails=0" parameter was used in upstream with
                   2856:        several servers, then a worker process exited on a SIGFPE signal.
                   2857:        Thanks to Maxim Dounin.
                   2858: 
                   2859:     *) Bugfix: a request body was dropped while redirection via an
                   2860:        "error_page" directive.
                   2861: 
                   2862:     *) Bugfix: a full response was returned for request method HEAD while
                   2863:        redirection via an "error_page" directive.
                   2864: 
                   2865:     *) Bugfix: the $r->header_in() method did not return value of the
                   2866:        "Host", "User-Agent", and "Connection" request header lines; the bug
                   2867:        had appeared in 0.7.0.
                   2868: 
                   2869: 
                   2870: Changes with nginx 0.7.11                                        18 Aug 2008
                   2871: 
                   2872:     *) Change: now ngx_http_charset_module does not work by default with
                   2873:        text/css MIME type.
                   2874: 
                   2875:     *) Feature: now nginx returns the 405 status code for POST method
                   2876:        requesting a static file only if the file exists.
                   2877: 
                   2878:     *) Feature: the "proxy_ssl_session_reuse" directive.
                   2879: 
                   2880:     *) Bugfix: a "proxy_pass" directive without URI part might use original
                   2881:        request after the "X-Accel-Redirect" redirection was used;
                   2882: 
                   2883:     *) Bugfix: if a directory has search only rights and the first index
                   2884:        file was absent, then nginx returned the 500 status code.
                   2885: 
                   2886:     *) Bugfix: in inclusive locations; the bugs had appeared in 0.7.1.
                   2887: 
                   2888: 
                   2889: Changes with nginx 0.7.10                                        13 Aug 2008
                   2890: 
                   2891:     *) Bugfix: in the "addition_types", "charset_types", "gzip_types",
                   2892:        "ssi_types", "sub_filter_types", and "xslt_types" directives; the
                   2893:        bugs had appeared in 0.7.9.
                   2894: 
                   2895:     *) Bugfix: of recursive error_page for 500 status code.
                   2896: 
                   2897:     *) Bugfix: now the ngx_http_realip_module sets address not for whole
                   2898:        keepalive connection, but for each request passed via the connection.
                   2899: 
                   2900: 
                   2901: Changes with nginx 0.7.9                                         12 Aug 2008
                   2902: 
                   2903:     *) Change: now ngx_http_charset_module works by default with following
                   2904:        MIME types: text/html, text/css, text/xml, text/plain,
                   2905:        text/vnd.wap.wml, application/x-javascript, and application/rss+xml.
                   2906: 
                   2907:     *) Feature: the "charset_types" and "addition_types" directives.
                   2908: 
                   2909:     *) Feature: now the "gzip_types", "ssi_types", and "sub_filter_types"
                   2910:        directives use hash.
                   2911: 
                   2912:     *) Feature: the ngx_cpp_test_module.
                   2913: 
                   2914:     *) Feature: the "expires" directive supports daily time.
                   2915: 
                   2916:     *) Feature: the ngx_http_xslt_module improvements and bug fixing.
                   2917:        Thanks to Denis F. Latypoff and Maxim Dounin.
                   2918: 
                   2919:     *) Bugfix: the "log_not_found" directive did not work for index files
                   2920:        tests.
                   2921: 
                   2922:     *) Bugfix: HTTPS connections might hang, if kqueue, epoll, rtsig, or
                   2923:        eventport methods were used; the bug had appeared in 0.7.7.
                   2924: 
                   2925:     *) Bugfix: if the "server_name", "valid_referers", and "map" directives
                   2926:        used an "*.domain.tld" wildcard and exact name "domain.tld" was not
                   2927:        set, then the exact name was matched by the wildcard; the bug had
                   2928:        appeared in 0.3.18.
                   2929: 
                   2930: 
                   2931: Changes with nginx 0.7.8                                         04 Aug 2008
                   2932: 
                   2933:     *) Feature: the ngx_http_xslt_module.
                   2934: 
                   2935:     *) Feature: the "$arg_..." variables.
                   2936: 
                   2937:     *) Feature: Solaris directio support.
                   2938:        Thanks to Ivan Debnar.
                   2939: 
                   2940:     *) Bugfix: now if FastCGI server sends a "Location" header line without
                   2941:        status line, then nginx uses 302 status code.
                   2942:        Thanks to Maxim Dounin.
                   2943: 
                   2944: 
                   2945: Changes with nginx 0.7.7                                         30 Jul 2008
                   2946: 
                   2947:     *) Change: now the EAGAIN error returned by connect() is not considered
                   2948:        as temporary error.
                   2949: 
                   2950:     *) Change: now the $ssl_client_cert variable value is a certificate with
                   2951:        TAB character intended before each line except first one; an
                   2952:        unchanged certificate is available in the $ssl_client_raw_cert
                   2953:        variable.
                   2954: 
                   2955:     *) Feature: the "ask" parameter in the "ssl_verify_client" directive.
                   2956: 
                   2957:     *) Feature: byte-range processing improvements.
                   2958:        Thanks to Maxim Dounin.
                   2959: 
                   2960:     *) Feature: the "directio" directive.
                   2961:        Thanks to Jiang Hong.
                   2962: 
                   2963:     *) Feature: MacOSX 10.5 sendfile() support.
                   2964: 
                   2965:     *) Bugfix: now in MacOSX and Cygwin locations are tested in case
                   2966:        insensitive mode; however, the compare is provided by single-byte
                   2967:        locales only.
                   2968: 
                   2969:     *) Bugfix: mail proxy SSL connections hanged, if select, poll, or
                   2970:        /dev/poll methods were used.
                   2971: 
                   2972:     *) Bugfix: UTF-8 encoding usage in the ngx_http_autoindex_module.
                   2973: 
                   2974: 
                   2975: Changes with nginx 0.7.6                                         07 Jul 2008
                   2976: 
                   2977:     *) Bugfix: now if variables are used in the "access_log" directive a
                   2978:        request root existence is always tested.
                   2979: 
                   2980:     *) Bugfix: the ngx_http_flv_module did not support several values in a
                   2981:        query string.
                   2982: 
                   2983: 
                   2984: Changes with nginx 0.7.5                                         01 Jul 2008
                   2985: 
                   2986:     *) Bugfixes in variables support in the "access_log" directive; the bugs
                   2987:        had appeared in 0.7.4.
                   2988: 
                   2989:     *) Bugfix: nginx could not be built --without-http_gzip_module; the bug
                   2990:        had appeared in 0.7.3.
                   2991:        Thanks to Kirill A. Korinskiy.
                   2992: 
                   2993:     *) Bugfix: if sub_filter and SSI were used together, then responses
                   2994:        might were transferred incorrectly.
                   2995: 
                   2996: 
                   2997: Changes with nginx 0.7.4                                         30 Jun 2008
                   2998: 
                   2999:     *) Feature: variables support in the "access_log" directive.
                   3000: 
                   3001:     *) Feature: the "open_log_file_cache" directive.
                   3002: 
                   3003:     *) Feature: the -g switch.
                   3004: 
                   3005:     *) Feature: the "Expect" request header line support.
                   3006: 
                   3007:     *) Bugfix: large SSI inclusions might be truncated.
                   3008: 
                   3009: 
                   3010: Changes with nginx 0.7.3                                         23 Jun 2008
                   3011: 
                   3012:     *) Change: the "rss" extension MIME type has been changed to
                   3013:        "application/rss+xml".
                   3014: 
                   3015:     *) Change: now the "gzip_vary" directive turned on issues a
                   3016:        "Vary: Accept-Encoding" header line for uncompressed responses too.
                   3017: 
                   3018:     *) Feature: now the "rewrite" directive does a redirect automatically if
                   3019:        the "https://" protocol is used.
                   3020: 
                   3021:     *) Bugfix: the "proxy_pass" directive did not work with the HTTPS
                   3022:        protocol; the bug had appeared in 0.6.9.
                   3023: 
                   3024: 
                   3025: Changes with nginx 0.7.2                                         16 Jun 2008
                   3026: 
                   3027:     *) Feature: now nginx supports EDH key exchange ciphers.
                   3028: 
                   3029:     *) Feature: the "ssl_dhparam" directive.
                   3030: 
                   3031:     *) Feature: the $ssl_client_cert variable.
                   3032:        Thanks to Manlio Perillo.
                   3033: 
                   3034:     *) Bugfix: after changing URI via a "rewrite" directive nginx did not
                   3035:        search a new location; the bug had appeared in 0.7.1.
                   3036:        Thanks to Maxim Dounin.
                   3037: 
                   3038:     *) Bugfix: nginx could not be built without PCRE library; the bug had
                   3039:        appeared in 0.7.1.
                   3040: 
                   3041:     *) Bugfix: when a request to a directory was redirected with the slash
                   3042:        added, nginx dropped a query string from the original request.
                   3043: 
                   3044: 
                   3045: Changes with nginx 0.7.1                                         26 May 2008
                   3046: 
                   3047:     *) Change: now locations are searched in a tree.
                   3048: 
                   3049:     *) Change: the "optimize_server_names" directive was canceled due to the
                   3050:        "server_name_in_redirect" directive introduction.
                   3051: 
                   3052:     *) Change: some long deprecated directives are not supported anymore.
                   3053: 
                   3054:     *) Change: the "none" parameter in the "ssl_session_cache" directive;
                   3055:        now this is default parameter.
                   3056:        Thanks to Rob Mueller.
                   3057: 
                   3058:     *) Bugfix: worker processes might not catch reconfiguration and log
                   3059:        rotation signals.
                   3060: 
                   3061:     *) Bugfix: nginx could not be built on latest Fedora 9 Linux.
                   3062:        Thanks to Roxis.
                   3063: 
                   3064: 
                   3065: Changes with nginx 0.7.0                                         19 May 2008
                   3066: 
                   3067:     *) Change: now the 0x00-0x1F, '"' and '\' characters are escaped as \xXX
                   3068:        in an access_log.
                   3069:        Thanks to Maxim Dounin.
                   3070: 
                   3071:     *) Change: now nginx allows several "Host" request header line.
                   3072: 
                   3073:     *) Feature: the "modified" flag in the "expires" directive.
                   3074: 
                   3075:     *) Feature: the $uid_got and $uid_set variables may be used at any
                   3076:        request processing stage.
                   3077: 
                   3078:     *) Feature: the $hostname variable.
                   3079:        Thanks to Andrei Nigmatulin.
                   3080: 
                   3081:     *) Feature: DESTDIR support.
                   3082:        Thanks to Todd A. Fisher and Andras Voroskoi.
                   3083: 
                   3084:     *) Bugfix: a segmentation fault might occur in worker process on Linux,
                   3085:        if keepalive was enabled.
                   3086: 
                   3087: 
                   3088: Changes with nginx 0.6.31                                        12 May 2008
                   3089: 
                   3090:     *) Bugfix: nginx did not process FastCGI response if header was at the
                   3091:        end of FastCGI record; the bug had appeared in 0.6.2.
                   3092:        Thanks to Sergey Serov.
                   3093: 
                   3094:     *) Bugfix: a segmentation fault might occur in worker process if a file
                   3095:        was deleted and the "open_file_cache_errors" directive was off.
                   3096: 
                   3097: 
                   3098: Changes with nginx 0.6.30                                        29 Apr 2008
                   3099: 
                   3100:     *) Change: now if an "include" directive pattern does not match any
                   3101:        file, then nginx does not issue an error.
                   3102: 
                   3103:     *) Feature: now the time in directives may be specified without spaces,
                   3104:        for example, "1h50m".
                   3105: 
                   3106:     *) Bugfix: memory leaks if the "ssl_verify_client" directive was on.
                   3107:        Thanks to Chavelle Vincent.
                   3108: 
                   3109:     *) Bugfix: the "sub_filter" directive might set text to change into
                   3110:        output.
                   3111: 
                   3112:     *) Bugfix: the "error_page" directive did not take into account
                   3113:        arguments in redirected URI.
                   3114: 
                   3115:     *) Bugfix: now nginx always opens files in binary mode under Cygwin.
                   3116: 
                   3117:     *) Bugfix: nginx could not be built on OpenBSD; the bug had appeared in
                   3118:        0.6.15.
                   3119: 
                   3120: 
                   3121: Changes with nginx 0.6.29                                        18 Mar 2008
                   3122: 
                   3123:     *) Feature: the ngx_google_perftools_module.
                   3124: 
                   3125:     *) Bugfix: the ngx_http_perl_module could not be built on 64-bit
                   3126:        platforms; the bug had appeared in 0.6.27.
                   3127: 
                   3128: 
                   3129: Changes with nginx 0.6.28                                        13 Mar 2008
                   3130: 
                   3131:     *) Bugfix: the rtsig method could not be built; the bug had appeared in
                   3132:        0.6.27.
                   3133: 
                   3134: 
                   3135: Changes with nginx 0.6.27                                        12 Mar 2008
                   3136: 
                   3137:     *) Change: now by default the rtsig method is not built on
                   3138:        Linux 2.6.18+.
                   3139: 
                   3140:     *) Change: now a request method is not changed while redirection to a
                   3141:        named location via an "error_page" directive.
                   3142: 
                   3143:     *) Feature: the "resolver" and "resolver_timeout" directives in SMTP
                   3144:        proxy.
                   3145: 
                   3146:     *) Feature: the "post_action" directive supports named locations.
                   3147: 
                   3148:     *) Bugfix: a segmentation fault occurred in worker process, if a request
                   3149:        was redirected from proxy, FastCGI, or memcached location to static
                   3150:        named locations.
                   3151: 
                   3152:     *) Bugfix: browsers did not repeat SSL handshake if there is no valid
                   3153:        client certificate in first handshake.
                   3154:        Thanks to Alexander V. Inyukhin.
                   3155: 
                   3156:     *) Bugfix: if response code 495-497 was redirected via an "error_page"
                   3157:        directive without code change, then nginx tried to allocate too many
                   3158:        memory.
                   3159: 
                   3160:     *) Bugfix: memory leak in long-lived non buffered connections.
                   3161: 
                   3162:     *) Bugfix: memory leak in resolver.
                   3163: 
                   3164:     *) Bugfix: a segmentation fault occurred in worker process, if a request
                   3165:        was redirected from proxy, FastCGI, or memcached location to static
                   3166:        named locations.
                   3167: 
                   3168:     *) Bugfix: in the $proxy_host and $proxy_port variables caching.
                   3169:        Thanks to Sergey Bochenkov.
                   3170: 
                   3171:     *) Bugfix: a "proxy_pass" directive with variables used incorrectly the
                   3172:        same port as in another "proxy_pass" directive with the same host
                   3173:        name and without variables.
                   3174:        Thanks to Sergey Bochenkov.
                   3175: 
                   3176:     *) Bugfix: an alert "sendmsg() failed (9: Bad file descriptor)" on some
                   3177:        64-bit platforms while reconfiguration.
                   3178: 
                   3179:     *) Bugfix: a segmentation fault occurred in worker process, if empty
                   3180:        stub block was used second time in SSI.
                   3181: 
                   3182:     *) Bugfix: in copying URI part contained escaped symbols into arguments.
                   3183: 
                   3184: 
                   3185: Changes with nginx 0.6.26                                        11 Feb 2008
                   3186: 
                   3187:     *) Bugfix: the "proxy_store" and "fastcgi_store" directives did not
                   3188:        check a response length.
                   3189: 
                   3190:     *) Bugfix: a segmentation fault occurred in worker process, if big value
                   3191:        was used in a "expires" directive.
                   3192:        Thanks to Joaquin Cuenca Abela.
                   3193: 
                   3194:     *) Bugfix: nginx incorrectly detected cache line size on Pentium 4.
                   3195:        Thanks to Gena Makhomed.
                   3196: 
                   3197:     *) Bugfix: in proxied or FastCGI subrequests a client original method
                   3198:        was used instead of the GET method.
                   3199: 
                   3200:     *) Bugfix: socket leak in HTTPS mode if deferred accept was used.
                   3201:        Thanks to Ben Maurer.
                   3202: 
                   3203:     *) Bugfix: nginx issued the bogus error message "SSL_shutdown() failed
                   3204:        (SSL: )"; the bug had appeared in 0.6.23.
                   3205: 
                   3206:     *) Bugfix: in HTTPS mode requests might fail with the "bad write retry"
                   3207:        error; the bug had appeared in 0.6.23.
                   3208: 
                   3209: 
                   3210: Changes with nginx 0.6.25                                        08 Jan 2008
                   3211: 
                   3212:     *) Change: now the "server_name_in_redirect" directive is used instead
                   3213:        of the "server_name" directive's special "*" parameter.
                   3214: 
                   3215:     *) Change: now wildcard and regex names can be used as main name in a
                   3216:        "server_name" directive.
                   3217: 
                   3218:     *) Change: the "satisfy_any" directive was replaced by the "satisfy"
                   3219:        directive.
                   3220: 
                   3221:     *) Workaround: old worker processes might hog CPU after reconfiguration
                   3222:        if they was run under Linux OpenVZ.
                   3223: 
                   3224:     *) Feature: the "min_delete_depth" directive.
                   3225: 
                   3226:     *) Bugfix: the COPY and MOVE methods did not work with single files.
                   3227: 
                   3228:     *) Bugfix: the ngx_http_gzip_static_module did not allow the
                   3229:        ngx_http_dav_module to work; the bug had appeared in 0.6.23.
                   3230: 
                   3231:     *) Bugfix: socket leak in HTTPS mode if deferred accept was used.
                   3232:        Thanks to Ben Maurer.
                   3233: 
                   3234:     *) Bugfix: nginx could not be built without PCRE library; the bug had
                   3235:        appeared in 0.6.23.
                   3236: 
                   3237: 
                   3238: Changes with nginx 0.6.24                                        27 Dec 2007
                   3239: 
                   3240:     *) Bugfix: a segmentation fault might occur in worker process if HTTPS
                   3241:        was used; the bug had appeared in 0.6.23.
                   3242: 
                   3243: 
                   3244: Changes with nginx 0.6.23                                        27 Dec 2007
                   3245: 
                   3246:     *) Change: the "off" parameter in the "ssl_session_cache" directive; now
                   3247:        this is default parameter.
                   3248: 
                   3249:     *) Change: the "open_file_cache_retest" directive was renamed to the
                   3250:        "open_file_cache_valid".
                   3251: 
                   3252:     *) Feature: the "open_file_cache_min_uses" directive.
                   3253: 
                   3254:     *) Feature: the ngx_http_gzip_static_module.
                   3255: 
                   3256:     *) Feature: the "gzip_disable" directive.
                   3257: 
                   3258:     *) Feature: the "memcached_pass" directive may be used inside the "if"
                   3259:        block.
                   3260: 
                   3261:     *) Bugfix: a segmentation fault occurred in worker process, if the
                   3262:        "memcached_pass" and "if" directives were used in the same location.
                   3263: 
                   3264:     *) Bugfix: if a "satisfy_any on" directive was used and not all access
                   3265:        and auth modules directives were set, then other given access and
                   3266:        auth directives were not tested;
                   3267: 
                   3268:     *) Bugfix: regex parameters in a "valid_referers" directive were not
                   3269:        inherited from previous level.
                   3270: 
                   3271:     *) Bugfix: a "post_action" directive did run if a request was completed
                   3272:        with 499 status code.
                   3273: 
                   3274:     *) Bugfix: optimization of 16K buffer usage in a SSL connection.
                   3275:        Thanks to Ben Maurer.
                   3276: 
                   3277:     *) Bugfix: the STARTTLS in SMTP mode did not work.
                   3278:        Thanks to Oleg Motienko.
                   3279: 
                   3280:     *) Bugfix: in HTTPS mode requests might fail with the "bad write retry"
                   3281:        error; the bug had appeared in 0.5.13.
                   3282: 
                   3283: 
                   3284: Changes with nginx 0.6.22                                        19 Dec 2007
                   3285: 
                   3286:     *) Change: now all ngx_http_perl_module methods return values copied to
                   3287:        perl's allocated memory.
                   3288: 
                   3289:     *) Bugfix: if nginx was built with ngx_http_perl_module, the perl before
                   3290:        5.8.6 was used, and perl supported threads, then during
                   3291:        reconfiguration the master process aborted; the bug had appeared in
                   3292:        0.5.9.
                   3293:        Thanks to Boris Zhmurov.
                   3294: 
                   3295:     *) Bugfix: the ngx_http_perl_module methods may get invalid values of
                   3296:        the regex captures.
                   3297: 
                   3298:     *) Bugfix: a segmentation fault occurred in worker process, if the
                   3299:        $r->has_request_body() method was called for a request whose small
                   3300:        request body was already received.
                   3301: 
                   3302:     *) Bugfix: large_client_header_buffers did not freed before going to
                   3303:        keep-alive state.
                   3304:        Thanks to Olexander Shtepa.
                   3305: 
                   3306:     *) Bugfix: the last address was missed in the $upstream_addr variable;
                   3307:        the bug had appeared in 0.6.18.
                   3308: 
                   3309:     *) Bugfix: the "fastcgi_catch_stderr" directive did return error code;
                   3310:        now it returns 502 code, that can be rerouted to a next server using
                   3311:        the "fastcgi_next_upstream invalid_header" directive.
                   3312: 
                   3313:     *) Bugfix: a segmentation fault occurred in master process if the
                   3314:        "fastcgi_catch_stderr" directive was used; the bug had appeared in
                   3315:        0.6.10.
                   3316:        Thanks to Manlio Perillo.
                   3317: 
                   3318: 
                   3319: Changes with nginx 0.6.21                                        03 Dec 2007
                   3320: 
                   3321:     *) Change: if variable values used in a "proxy_pass" directive contain
                   3322:        IP-addresses only, then a "resolver" directive is not mandatory.
                   3323: 
                   3324:     *) Bugfix: a segmentation fault might occur in worker process if a
                   3325:        "proxy_pass" directive with URI-part was used; the bug had appeared
                   3326:        in 0.6.19.
                   3327: 
                   3328:     *) Bugfix: if resolver was used on platform that does not support
                   3329:        kqueue, then nginx issued an alert "name is out of response".
                   3330:        Thanks to Andrei Nigmatulin.
                   3331: 
                   3332:     *) Bugfix: if the $server_protocol was used in FastCGI parameters and a
                   3333:        request line length was near to the "client_header_buffer_size"
                   3334:        directive value, then nginx issued an alert "fastcgi: the request
                   3335:        record is too big".
                   3336: 
                   3337:     *) Bugfix: if a plain text HTTP/0.9 version request was made to HTTPS
                   3338:        server, then nginx returned usual response.
                   3339: 
                   3340: 
                   3341: Changes with nginx 0.6.20                                        28 Nov 2007
                   3342: 
                   3343:     *) Bugfix: a segmentation fault might occur in worker process if a
                   3344:        "proxy_pass" directive with URI-part was used; the bug had appeared
                   3345:        in 0.6.19.
                   3346: 
                   3347: 
                   3348: Changes with nginx 0.6.19                                        27 Nov 2007
                   3349: 
                   3350:     *) Bugfix: the 0.6.18 version could not be built.
                   3351: 
                   3352: 
                   3353: Changes with nginx 0.6.18                                        27 Nov 2007
                   3354: 
                   3355:     *) Change: now the ngx_http_userid_module adds start time microseconds
                   3356:        to the cookie field contains a pid value.
                   3357: 
                   3358:     *) Change: now the full request line instead of URI only is written to
                   3359:        error_log.
                   3360: 
                   3361:     *) Feature: variables support in the "proxy_pass" directive.
                   3362: 
                   3363:     *) Feature: the "resolver" and "resolver_timeout" directives.
                   3364: 
                   3365:     *) Feature: now the directive "add_header last-modified ''" deletes a
                   3366:        "Last-Modified" response header line.
                   3367: 
                   3368:     *) Bugfix: the "limit_rate" directive did not allow to use full
                   3369:        throughput, even if limit value was very high.
                   3370: 
                   3371: 
                   3372: Changes with nginx 0.6.17                                        15 Nov 2007
                   3373: 
                   3374:     *) Feature: the "If-Range" request header line support.
                   3375:        Thanks to Alexander V. Inyukhin.
                   3376: 
                   3377:     *) Bugfix: URL double escaping in a redirect of the "msie_refresh"
                   3378:        directive; the bug had appeared in 0.6.4.
                   3379: 
                   3380:     *) Bugfix: the "autoindex" directive did not work with the "alias /"
                   3381:        directive.
                   3382: 
                   3383:     *) Bugfix: a segmentation fault might occur in worker process if
                   3384:        subrequests were used.
                   3385: 
                   3386:     *) Bugfix: the big responses may be transferred truncated if SSL and
                   3387:        gzip were used.
                   3388: 
                   3389:     *) Bugfix: the $status variable was equal to 0 if a proxied server
                   3390:        returned response in HTTP/0.9 version.
                   3391: 
                   3392: 
                   3393: Changes with nginx 0.6.16                                        29 Oct 2007
                   3394: 
                   3395:     *) Change: now the uname(2) is used on Linux instead of procfs.
                   3396:        Thanks to Ilya Novikov.
                   3397: 
                   3398:     *) Bugfix: if the "?" character was in a "error_page" directive, then it
                   3399:        was escaped in a proxied request; the bug had appeared in 0.6.11.
                   3400: 
                   3401:     *) Bugfix: compatibility with mget.
                   3402: 
                   3403: 
                   3404: Changes with nginx 0.6.15                                        22 Oct 2007
                   3405: 
                   3406:     *) Feature: Cygwin compatibility.
                   3407:        Thanks to Vladimir Kutakov.
                   3408: 
                   3409:     *) Feature: the "merge_slashes" directive.
                   3410: 
                   3411:     *) Feature: the "gzip_vary" directive.
                   3412: 
                   3413:     *) Feature: the "server_tokens" directive.
                   3414: 
                   3415:     *) Bugfix: nginx did not unescape URI in the "include" SSI command.
                   3416: 
                   3417:     *) Bugfix: the segmentation fault was occurred on start or while
                   3418:        reconfiguration if variable was used in the "charset" or
                   3419:        "source_charset" directives.
                   3420: 
                   3421:     *) Bugfix: nginx returned the 400 response on requests like
                   3422:        "GET http://www.domain.com HTTP/1.0".
                   3423:        Thanks to James Oakley.
                   3424: 
                   3425:     *) Bugfix: if request with request body was redirected using the
                   3426:        "error_page" directive, then nginx tried to read the request body
                   3427:        again; the bug had appeared in 0.6.7.
                   3428: 
                   3429:     *) Bugfix: a segmentation fault occurred in worker process if no
                   3430:        server_name was explicitly defined for server processing request; the
                   3431:        bug had appeared in 0.6.7.
                   3432: 
                   3433: 
                   3434: Changes with nginx 0.6.14                                        15 Oct 2007
                   3435: 
                   3436:     *) Change: now by default the "echo" SSI command uses entity encoding.
                   3437: 
                   3438:     *) Feature: the "encoding" parameter in the "echo" SSI command.
                   3439: 
                   3440:     *) Feature: the "access_log" directive may be used inside the
                   3441:        "limit_except" block.
                   3442: 
                   3443:     *) Bugfix: if all upstream servers were failed, then all servers had got
                   3444:        weight the was equal one until servers became alive; the bug had
                   3445:        appeared in 0.6.6.
                   3446: 
                   3447:     *) Bugfix: a segmentation fault occurred in worker process if
                   3448:        $date_local and $date_gmt were used outside the
                   3449:        ngx_http_ssi_filter_module.
                   3450: 
                   3451:     *) Bugfix: a segmentation fault might occur in worker process if debug
                   3452:        log was enabled.
                   3453:        Thanks to Andrei Nigmatulin.
                   3454: 
                   3455:     *) Bugfix: ngx_http_memcached_module did not set
                   3456:        $upstream_response_time.
                   3457:        Thanks to Maxim Dounin.
                   3458: 
                   3459:     *) Bugfix: a worker process may got caught in an endless loop, if the
                   3460:        memcached was used.
                   3461: 
                   3462:     *) Bugfix: nginx supported low case only "close" and "keep-alive" values
                   3463:        in the "Connection" request header line; the bug had appeared in
                   3464:        0.6.11.
                   3465: 
                   3466:     *) Bugfix: sub_filter did not work with empty substitution.
                   3467: 
                   3468:     *) Bugfix: in sub_filter parsing.
                   3469: 
                   3470: 
                   3471: Changes with nginx 0.6.13                                        24 Sep 2007
                   3472: 
                   3473:     *) Bugfix: nginx did not close directory file on HEAD request if
                   3474:        autoindex was used.
                   3475:        Thanks to Arkadiusz Patyk.
                   3476: 
                   3477: 
                   3478: Changes with nginx 0.6.12                                        21 Sep 2007
                   3479: 
                   3480:     *) Change: mail proxy was split on three modules: pop3, imap and smtp.
                   3481: 
                   3482:     *) Feature: the --without-mail_pop3_module, --without-mail_imap_module,
                   3483:        and --without-mail_smtp_module configuration parameters.
                   3484: 
                   3485:     *) Feature: the "smtp_greeting_delay" and "smtp_client_buffer"
                   3486:        directives of the ngx_mail_smtp_module.
                   3487: 
                   3488:     *) Bugfix: the trailing wildcards did not work; the bug had appeared in
                   3489:        0.6.9.
                   3490: 
                   3491:     *) Bugfix: nginx could not start on Solaris if the shared PCRE library
                   3492:        located in non-standard place was used.
                   3493: 
                   3494:     *) Bugfix: the "proxy_hide_header" and "fastcgi_hide_header" directives
                   3495:        did not hide response header lines whose name was longer than 32
                   3496:        characters.
                   3497:        Thanks to Manlio Perillo.
                   3498: 
                   3499: 
                   3500: Changes with nginx 0.6.11                                        11 Sep 2007
                   3501: 
                   3502:     *) Bugfix: active connection counter always increased if mail proxy was
                   3503:        used.
                   3504: 
                   3505:     *) Bugfix: if backend returned response header only using non-buffered
                   3506:        proxy, then nginx closed backend connection on timeout.
                   3507: 
                   3508:     *) Bugfix: nginx did not support several "Connection" request header
                   3509:        lines.
                   3510: 
                   3511:     *) Bugfix: if the "max_fails" was set for upstream server, then after
                   3512:        first failure server weight was always one; the bug had appeared in
                   3513:        0.6.6.
                   3514: 
                   3515: 
                   3516: Changes with nginx 0.6.10                                        03 Sep 2007
                   3517: 
                   3518:     *) Feature: the "open_file_cache", "open_file_cache_retest", and
                   3519:        "open_file_cache_errors" directives.
                   3520: 
                   3521:     *) Bugfix: socket leak; the bug had appeared in 0.6.7.
                   3522: 
                   3523:     *) Bugfix: a charset set by the "charset" directive was not appended to
                   3524:        the "Content-Type" header set by $r->send_http_header().
                   3525: 
                   3526:     *) Bugfix: a segmentation fault might occur in worker process if
                   3527:        /dev/poll method was used.
                   3528: 
                   3529: 
                   3530: Changes with nginx 0.6.9                                         28 Aug 2007
                   3531: 
                   3532:     *) Bugfix: a worker process may got caught in an endless loop, if the
                   3533:        HTTPS protocol was used; the bug had appeared in 0.6.7.
                   3534: 
                   3535:     *) Bugfix: if server listened on two addresses or ports and trailing
                   3536:        wildcard was used, then nginx did not run.
                   3537: 
                   3538:     *) Bugfix: the "ip_hash" directive might incorrectly mark servers as
                   3539:        down.
                   3540: 
                   3541:     *) Bugfix: nginx could not be built on amd64; the bug had appeared in
                   3542:        0.6.8.
                   3543: 
                   3544: 
                   3545: Changes with nginx 0.6.8                                         20 Aug 2007
                   3546: 
                   3547:     *) Change: now nginx tries to set the "worker_priority",
                   3548:        "worker_rlimit_nofile", "worker_rlimit_core", and
                   3549:        "worker_rlimit_sigpending" without super-user privileges.
                   3550: 
                   3551:     *) Change: now nginx escapes space and "%" in request to a mail proxy
                   3552:        authentication server.
                   3553: 
                   3554:     *) Change: now nginx escapes "%" in $memcached_key variable.
                   3555: 
                   3556:     *) Bugfix: nginx used path relative to configuration prefix for
                   3557:        non-absolute configuration file path specified in the "-c" key; the
                   3558:        bug had appeared in 0.6.6.
                   3559: 
                   3560:     *) Bugfix: nginx did not work on FreeBSD/sparc64.
                   3561: 
                   3562: 
                   3563: Changes with nginx 0.6.7                                         15 Aug 2007
                   3564: 
                   3565:     *) Change: now the paths specified in the "include",
                   3566:        "auth_basic_user_file", "perl_modules", "ssl_certificate",
                   3567:        "ssl_certificate_key", and "ssl_client_certificate" directives are
                   3568:        relative to directory of nginx configuration file nginx.conf, but not
                   3569:        to nginx prefix directory.
                   3570: 
                   3571:     *) Change: the --sysconfdir=PATH option in configure was canceled.
                   3572: 
                   3573:     *) Change: the special make target "upgrade1" was defined for online
                   3574:        upgrade of 0.1.x versions.
                   3575: 
                   3576:     *) Feature: the "server_name" and "valid_referers" directives support
                   3577:        regular expressions.
                   3578: 
                   3579:     *) Feature: the "server" directive in the "upstream" context supports
                   3580:        the "backup" parameter.
                   3581: 
                   3582:     *) Feature: the ngx_http_perl_module supports the
                   3583:        $r->discard_request_body.
                   3584: 
                   3585:     *) Feature: the "add_header Last-Modified ..." directive changes the
                   3586:        "Last-Modified" response header line.
                   3587: 
                   3588:     *) Bugfix: if a response different than 200 was returned to a request
                   3589:        with body and connection went to the keep-alive state after the
                   3590:        request, then nginx returned 400 for the next request.
                   3591: 
                   3592:     *) Bugfix: a segmentation fault occurred in worker process if invalid
                   3593:        address was set in the "auth_http" directive.
                   3594: 
                   3595:     *) Bugfix: now nginx uses default listen backlog value 511 on all
                   3596:        platforms except FreeBSD.
                   3597:        Thanks to Jiang Hong.
                   3598: 
                   3599:     *) Bugfix: a worker process may got caught in an endless loop, if a
                   3600:        "server" inside "upstream" block was marked as "down"; the bug had
                   3601:        appeared in 0.6.6.
                   3602: 
                   3603:     *) Bugfix: now Solaris sendfilev() is not used to transfer the client
                   3604:        request body to FastCGI-server via the unix domain socket.
                   3605: 
                   3606: 
                   3607: Changes with nginx 0.6.6                                         30 Jul 2007
                   3608: 
                   3609:     *) Feature: the --sysconfdir=PATH option in configure.
                   3610: 
                   3611:     *) Feature: named locations.
                   3612: 
                   3613:     *) Feature: the $args variable can be set with the "set" directive.
                   3614: 
                   3615:     *) Feature: the $is_args variable.
                   3616: 
                   3617:     *) Bugfix: fair big weight upstream balancer.
                   3618: 
                   3619:     *) Bugfix: if a client has closed connection to mail proxy then nginx
                   3620:        might not close connection to backend.
                   3621: 
                   3622:     *) Bugfix: if the same host without specified port was used as backend
                   3623:        for HTTP and HTTPS, then nginx used only one port - 80 or 443.
                   3624: 
                   3625:     *) Bugfix: fix building on Solaris/amd64 by Sun Studio 11 and early
                   3626:        versions; the bug had appeared in 0.6.4.
                   3627: 
                   3628: 
                   3629: Changes with nginx 0.6.5                                         23 Jul 2007
                   3630: 
                   3631:     *) Feature: $nginx_version variable.
                   3632:        Thanks to Nick S. Grechukh.
                   3633: 
                   3634:     *) Feature: the mail proxy supports AUTHENTICATE in IMAP mode.
                   3635:        Thanks to Maxim Dounin.
                   3636: 
                   3637:     *) Feature: the mail proxy supports STARTTLS in SMTP mode.
                   3638:        Thanks to Maxim Dounin.
                   3639: 
                   3640:     *) Bugfix: now nginx escapes space in $memcached_key variable.
                   3641: 
                   3642:     *) Bugfix: nginx was incorrectly built by Sun Studio on Solaris/amd64.
                   3643:        Thanks to Jiang Hong.
                   3644: 
                   3645:     *) Bugfix: of minor potential bugs.
                   3646:        Thanks to Coverity's Scan.
                   3647: 
                   3648: 
                   3649: Changes with nginx 0.6.4                                         17 Jul 2007
                   3650: 
                   3651:     *) Security: the "msie_refresh" directive allowed XSS.
                   3652:        Thanks to Maxim Boguk.
                   3653: 
                   3654:     *) Change: the "proxy_store" and "fastcgi_store" directives were
                   3655:        changed.
                   3656: 
                   3657:     *) Feature: the "proxy_store_access" and "fastcgi_store_access"
                   3658:        directives.
                   3659: 
                   3660:     *) Bugfix: nginx did not work on Solaris/sparc64 if it was built by Sun
                   3661:        Studio.
                   3662:        Thanks to Andrei Nigmatulin.
                   3663: 
                   3664:     *) Workaround: for Sun Studio 12.
                   3665:        Thanks to Jiang Hong.
                   3666: 
                   3667: 
                   3668: Changes with nginx 0.6.3                                         12 Jul 2007
                   3669: 
                   3670:     *) Feature: the "proxy_store" and "fastcgi_store" directives.
                   3671: 
                   3672:     *) Bugfix: a segmentation fault might occur in worker process if the
                   3673:        "auth_http_header" directive was used.
                   3674:        Thanks to Maxim Dounin.
                   3675: 
                   3676:     *) Bugfix: a segmentation fault occurred in worker process if the
                   3677:        CRAM-MD5 authentication method was used, but it was not enabled.
                   3678: 
                   3679:     *) Bugfix: a segmentation fault might occur in worker process when the
                   3680:        HTTPS protocol was used in the "proxy_pass" directive.
                   3681: 
                   3682:     *) Bugfix: a segmentation fault might occur in worker process if the
                   3683:        eventport method was used.
                   3684: 
                   3685:     *) Bugfix: the "proxy_ignore_client_abort" and
                   3686:        "fastcgi_ignore_client_abort" directives did not work; the bug had
                   3687:        appeared in 0.5.13.
                   3688: 
                   3689: 
                   3690: Changes with nginx 0.6.2                                         09 Jul 2007
                   3691: 
                   3692:     *) Bugfix: if the FastCGI header was split in records, then nginx passed
                   3693:        garbage in the header to a client.
                   3694: 
                   3695: 
                   3696: Changes with nginx 0.6.1                                         17 Jun 2007
                   3697: 
                   3698:     *) Bugfix: in SSI parsing.
                   3699: 
                   3700:     *) Bugfix: if remote SSI subrequest was used, then posterior local file
                   3701:        subrequest might transferred to client in wrong order.
                   3702: 
                   3703:     *) Bugfix: large SSI inclusions buffered in temporary files were
                   3704:        truncated.
                   3705: 
                   3706:     *) Bugfix: the perl $$ variable value in ngx_http_perl_module was equal
                   3707:        to the master process identification number.
                   3708: 
                   3709: 
                   3710: Changes with nginx 0.6.0                                         14 Jun 2007
                   3711: 
                   3712:     *) Feature: the "server_name", "map", and "valid_referers" directives
                   3713:        support the "www.example.*" wildcards.
                   3714: 
                   3715: 
                   3716: Changes with nginx 0.5.25                                        11 Jun 2007
                   3717: 
                   3718:     *) Bugfix: nginx could not be built with the
                   3719:        --without-http_rewrite_module parameter; the bug had appeared in
                   3720:        0.5.24.
                   3721: 
                   3722: 
                   3723: Changes with nginx 0.5.24                                        06 Jun 2007
                   3724: 
                   3725:     *) Security: the "ssl_verify_client" directive did not work if request
                   3726:        was made using HTTP/0.9.
                   3727: 
                   3728:     *) Bugfix: a part of response body might be passed uncompressed if gzip
                   3729:        was used; the bug had appeared in 0.5.23.
                   3730: 
                   3731: 
                   3732: Changes with nginx 0.5.23                                        04 Jun 2007
                   3733: 
                   3734:     *) Feature: the ngx_http_ssl_module supports Server Name Indication TLS
                   3735:        extension.
                   3736: 
                   3737:     *) Feature: the "fastcgi_catch_stderr" directive.
                   3738:        Thanks to Nick S. Grechukh, OWOX project.
                   3739: 
                   3740:     *) Bugfix: a segmentation fault occurred in master process if two
                   3741:        virtual servers should bind() to the overlapping ports.
                   3742: 
                   3743:     *) Bugfix: if nginx was built with ngx_http_perl_module and perl
                   3744:        supported threads, then during second reconfiguration the error
                   3745:        messages "panic: MUTEX_LOCK" and "perl_parse() failed" were issued.
                   3746: 
                   3747:     *) Bugfix: in the HTTPS protocol in the "proxy_pass" directive.
                   3748: 
                   3749: 
                   3750: Changes with nginx 0.5.22                                        29 May 2007
                   3751: 
                   3752:     *) Bugfix: a big request body might not be passed to backend; the bug
                   3753:        had appeared in 0.5.21.
                   3754: 
                   3755: 
                   3756: Changes with nginx 0.5.21                                        28 May 2007
                   3757: 
                   3758:     *) Bugfix: if server has more than about ten locations, then regex
                   3759:        locations might be choosen not in that order as they were specified.
                   3760: 
                   3761:     *) Bugfix: a worker process may got caught in an endless loop on 64-bit
                   3762:        platform, if the 33-rd or next in succession backend has failed.
                   3763:        Thanks to Anton Povarov.
                   3764: 
                   3765:     *) Bugfix: a bus error might occur on Solaris/sparc64 if the PCRE
                   3766:        library was used.
                   3767:        Thanks to Andrei Nigmatulin.
                   3768: 
                   3769:     *) Bugfix: in the HTTPS protocol in the "proxy_pass" directive.
                   3770: 
                   3771: 
                   3772: Changes with nginx 0.5.20                                        07 May 2007
                   3773: 
                   3774:     *) Feature: the "sendfile_max_chunk" directive.
                   3775: 
                   3776:     *) Feature: the "$http_...", "$sent_http_...", and "$upstream_http_..."
                   3777:        variables may be changed using the "set" directive.
                   3778: 
                   3779:     *) Bugfix: a segmentation fault might occur in worker process if the SSI
                   3780:        command 'if expr="$var = /"' was used.
                   3781: 
                   3782:     *) Bugfix: trailing boundary of multipart range response was transferred
                   3783:        incorrectly.
                   3784:        Thanks to Evan Miller.
                   3785: 
                   3786:     *) Bugfix: nginx did not work on Solaris/sparc64 if it was built by Sun
                   3787:        Studio.
                   3788:        Thanks to Andrei Nigmatulin.
                   3789: 
                   3790:     *) Bugfix: the ngx_http_perl_module could not be built by Solaris make.
                   3791:        Thanks to Andrei Nigmatulin.
                   3792: 
                   3793: 
                   3794: Changes with nginx 0.5.19                                        24 Apr 2007
                   3795: 
                   3796:     *) Change: now the $request_time variable has millisecond precision.
                   3797: 
                   3798:     *) Change: the method $r->rflush of ngx_http_perl_module was renamed to
                   3799:        the $r->flush.
                   3800: 
                   3801:     *) Feature: the $upstream_addr variable.
                   3802: 
                   3803:     *) Feature: the "proxy_headers_hash_max_size" and
                   3804:        "proxy_headers_hash_bucket_size" directives.
                   3805:        Thanks to Volodymyr Kostyrko.
                   3806: 
                   3807:     *) Bugfix: the files more than 2G could not be transferred using
                   3808:        sendfile and limit_rate on 64-bit platforms.
                   3809: 
                   3810:     *) Bugfix: the files more than 2G could not be transferred using
                   3811:        sendfile on 64-bit Linux.
                   3812: 
                   3813: 
                   3814: Changes with nginx 0.5.18                                        19 Apr 2007
                   3815: 
                   3816:     *) Feature: the ngx_http_sub_filter_module.
                   3817: 
                   3818:     *) Feature: the "$upstream_http_..." variables.
                   3819: 
                   3820:     *) Feature: now the $upstream_status and $upstream_response_time
                   3821:        variables keep data about all upstreams before X-Accel-Redirect.
                   3822: 
                   3823:     *) Bugfix: a segmentation fault occurred in master process after first
                   3824:        reconfiguration and receiving any signal if nginx was built with
                   3825:        ngx_http_perl_module and perl did not support multiplicity; the bug
                   3826:        had appeared in 0.5.9.
                   3827: 
                   3828:     *) Bugfix: if perl did not support multiplicity, then after
                   3829:        reconfiguration perl code did not work; the bug had appeared in
                   3830:        0.3.38.
                   3831: 
                   3832: 
                   3833: Changes with nginx 0.5.17                                        02 Apr 2007
                   3834: 
                   3835:     *) Change: now nginx always returns the 405 status for the TRACE method.
                   3836: 
                   3837:     *) Feature: now nginx supports the "include" directive inside the
                   3838:        "types" block.
                   3839: 
                   3840:     *) Bugfix: the $document_root variable usage in the "root" and "alias"
                   3841:        directives is disabled: this caused recursive stack overflow.
                   3842: 
                   3843:     *) Bugfix: in the HTTPS protocol in the "proxy_pass" directive.
                   3844: 
                   3845:     *) Bugfix: in some cases non-cachable variables (such as $uri variable)
                   3846:        returned old cached value.
                   3847: 
                   3848: 
                   3849: Changes with nginx 0.5.16                                        26 Mar 2007
                   3850: 
                   3851:     *) Bugfix: the C-class network was not used as hash key in the "ip_hash"
                   3852:        directive.
                   3853:        Thanks to Pavel Yarkovoy.
                   3854: 
                   3855:     *) Bugfix: a segmentation fault might occur in worker process if a
                   3856:        charset was set in the "Content-Type" header line and the line has
                   3857:        trailing ";"; the bug had appeared in 0.3.50.
                   3858: 
                   3859:     *) Bugfix: the "[alert] zero size buf" error when FastCGI server was
                   3860:        used and a request body written in a temporary file was multiple of
                   3861:        32K.
                   3862: 
                   3863:     *) Bugfix: nginx could not be built on Solaris without the --with-debug
                   3864:        option; the bug had appeared in 0.5.15.
                   3865: 
                   3866: 
                   3867: Changes with nginx 0.5.15                                        19 Mar 2007
                   3868: 
                   3869:     *) Feature: the mail proxy supports authenticated SMTP proxying and the
                   3870:        "smtp_auth", "smtp_capablities", and "xclient" directives.
                   3871:        Thanks to Anton Yuzhaninov and Maxim Dounin.
                   3872: 
                   3873:     *) Feature: now the keep-alive connections are closed just after
                   3874:        receiving the reconfiguration signal.
                   3875: 
                   3876:     *) Change: the "imap" and "auth" directives were renamed to the "mail"
                   3877:        and "pop3_auth" directives.
                   3878: 
                   3879:     *) Bugfix: a segmentation fault occurred in worker process if the
                   3880:        CRAM-MD5 authentication method was used and the APOP method was
                   3881:        disabled.
                   3882: 
                   3883:     *) Bugfix: if the "starttls only" directive was used in POP3 protocol,
                   3884:        then nginx allowed authentication without switching to the SSL mode.
                   3885: 
                   3886:     *) Bugfix: worker processes did not exit after reconfiguration and did
                   3887:        not rotate logs if the eventport method was used.
                   3888: 
                   3889:     *) Bugfix: a worker process may got caught in an endless loop, if the
                   3890:        "ip_hash" directive was used.
                   3891: 
                   3892:     *) Bugfix: now nginx does not log some alerts if eventport or /dev/poll
                   3893:        methods are used.
                   3894: 
                   3895: 
                   3896: Changes with nginx 0.5.14                                        23 Feb 2007
                   3897: 
                   3898:     *) Bugfix: nginx ignored superfluous closing "}" in the end of
                   3899:        configuration file.
                   3900: 
                   3901: 
                   3902: Changes with nginx 0.5.13                                        19 Feb 2007
                   3903: 
                   3904:     *) Feature: the COPY and MOVE methods.
                   3905: 
                   3906:     *) Bugfix: the ngx_http_realip_module set garbage for requests passed
                   3907:        via keep-alive connection.
                   3908: 
                   3909:     *) Bugfix: nginx did not work on big-endian 64-bit Linux.
                   3910:        Thanks to Andrei Nigmatulin.
                   3911: 
                   3912:     *) Bugfix: now when IMAP/POP3 proxy receives too long command it closes
                   3913:        the connection right away, but not after timeout.
                   3914: 
                   3915:     *) Bugfix: if the "epoll" method was used and a client closed a
                   3916:        connection prematurely, then nginx closed the connection after a send
                   3917:        timeout only.
                   3918: 
                   3919:     *) Bugfix: nginx could not be built on platforms different from i386,
                   3920:        amd64, sparc, and ppc; the bug had appeared in 0.5.8.
                   3921: 
                   3922: 
                   3923: Changes with nginx 0.5.12                                        12 Feb 2007
                   3924: 
                   3925:     *) Bugfix: nginx could not be built on platforms different from i386,
                   3926:        amd64, sparc, and ppc; the bug had appeared in 0.5.8.
                   3927: 
                   3928:     *) Bugfix: a segmentation fault might occur in worker process if the
                   3929:        temporary files were used while working with FastCGI server; the bug
                   3930:        had appeared in 0.5.8.
                   3931: 
                   3932:     *) Bugfix: a segmentation fault might occur in worker process if the
                   3933:        $fastcgi_script_name variable was logged.
                   3934: 
                   3935:     *) Bugfix: ngx_http_perl_module could not be built on Solaris.
                   3936: 
                   3937: 
                   3938: Changes with nginx 0.5.11                                        05 Feb 2007
                   3939: 
                   3940:     *) Feature: now configure detects system PCRE library in MacPorts.
                   3941:        Thanks to Chris McGrath.
                   3942: 
                   3943:     *) Bugfix: the response was incorrect if several ranges were requested;
                   3944:        the bug had appeared in 0.5.6.
                   3945: 
                   3946:     *) Bugfix: the "create_full_put_path" directive could not create the
                   3947:        intermediate directories if no "dav_access" directive was set.
                   3948:        Thanks to Evan Miller.
                   3949: 
                   3950:     *) Bugfix: the "0" response code might be logged in the access_log
                   3951:        instead of the "400" and "408" error codes.
                   3952: 
                   3953:     *) Bugfix: a segmentation fault might occur in worker process if nginx
                   3954:        was built with -O2 optimization.
                   3955: 
                   3956: 
                   3957: Changes with nginx 0.5.10                                        26 Jan 2007
                   3958: 
                   3959:     *) Bugfix: while online executable file upgrade the new master process
                   3960:        did not inherit the listening sockets; the bug had appeared in 0.5.9.
                   3961: 
                   3962:     *) Bugfix: a segmentation fault might occur in worker process if nginx
                   3963:        was built with -O2 optimization; the bug had appeared in 0.5.1.
                   3964: 
                   3965: 
                   3966: Changes with nginx 0.5.9                                         25 Jan 2007
                   3967: 
                   3968:     *) Change: now the ngx_http_memcached_module uses the $memcached_key
                   3969:        variable value as a key.
                   3970: 
                   3971:     *) Feature: the $memcached_key variable.
                   3972: 
                   3973:     *) Feature: the "clean" parameter in the "client_body_in_file_only"
                   3974:        directive.
                   3975: 
                   3976:     *) Feature: the "env" directive.
                   3977: 
                   3978:     *) Feature: the "sendfile" directive is available inside the "if" block.
                   3979: 
                   3980:     *) Feature: now on failure of the writing to access nginx logs a message
                   3981:        to error_log, but not more often than once a minute.
                   3982: 
                   3983:     *) Bugfix: the "access_log off" directive did not always turn off the
                   3984:        logging.
                   3985: 
                   3986: 
                   3987: Changes with nginx 0.5.8                                         19 Jan 2007
                   3988: 
                   3989:     *) Bugfix: a segmentation fault might occur if
                   3990:        "client_body_in_file_only on" was used and a request body was small.
                   3991: 
                   3992:     *) Bugfix: a segmentation fault occurred if
                   3993:        "client_body_in_file_only on" and "proxy_pass_request_body off" or
                   3994:        "fastcgi_pass_request_body off" directives were used, and nginx
                   3995:        switched to a next upstream.
                   3996: 
                   3997:     *) Bugfix: if the "proxy_buffering off" directive was used and a client
                   3998:        connection was non-active, then the connection was closed after send
                   3999:        timeout; the bug had appeared in 0.4.7.
                   4000: 
                   4001:     *) Bugfix: if the "epoll" method was used and a client closed a
                   4002:        connection prematurely, then nginx closed the connection after a send
                   4003:        timeout only.
                   4004: 
                   4005:     *) Bugfix: the "[alert] zero size buf" error when FastCGI server was
                   4006:        used.
                   4007: 
                   4008:     *) Bugfixes in the "limit_zone" directive.
                   4009: 
                   4010: 
                   4011: Changes with nginx 0.5.7                                         15 Jan 2007
                   4012: 
                   4013:     *) Feature: the ssl_session_cache storage optimization.
                   4014: 
                   4015:     *) Bugfixes in the "ssl_session_cache" and "limit_zone" directives.
                   4016: 
                   4017:     *) Bugfix: the segmentation fault was occurred on start or while
                   4018:        reconfiguration if the "ssl_session_cache" or "limit_zone" directives
                   4019:        were used on 64-bit platforms.
                   4020: 
                   4021:     *) Bugfix: a segmentation fault occurred if the "add_before_body" or
                   4022:        "add_after_body" directives were used and there was no "Content-Type"
                   4023:        header line in response.
                   4024: 
                   4025:     *) Bugfix: the OpenSSL library was always built with the threads
                   4026:        support.
                   4027:        Thanks to Den Ivanov.
                   4028: 
                   4029:     *) Bugfix: the PCRE-6.5+ library and the icc compiler compatibility.
                   4030: 
                   4031: 
                   4032: Changes with nginx 0.5.6                                         09 Jan 2007
                   4033: 
                   4034:     *) Change: now the ngx_http_index_module ignores all methods except the
                   4035:        GET, HEAD, and POST methods.
                   4036: 
                   4037:     *) Feature: the ngx_http_limit_zone_module.
                   4038: 
                   4039:     *) Feature: the $binary_remote_addr variable.
                   4040: 
                   4041:     *) Feature: the "ssl_session_cache" directives of the
                   4042:        ngx_http_ssl_module and ngx_imap_ssl_module.
                   4043: 
                   4044:     *) Feature: the DELETE method supports recursive removal.
                   4045: 
                   4046:     *) Bugfix: the byte-ranges were transferred incorrectly if the
                   4047:        $r->sendfile() was used.
                   4048: 
                   4049: 
                   4050: Changes with nginx 0.5.5                                         24 Dec 2006
                   4051: 
                   4052:     *) Change: the -v switch does not show compiler information any more.
                   4053: 
                   4054:     *) Feature: the -V switch.
                   4055: 
                   4056:     *) Feature: the "worker_rlimit_core" directive supports size in K, M,
                   4057:        and G.
                   4058: 
                   4059:     *) Bugfix: the nginx.pm module now could be installed by an unprivileged
                   4060:        user.
                   4061: 
                   4062:     *) Bugfix: a segmentation fault might occur if the $r->request_body or
                   4063:        $r->request_body_file methods were used.
                   4064: 
                   4065:     *) Bugfix: the ppc platform specific bugs.
                   4066: 
                   4067: 
                   4068: Changes with nginx 0.5.4                                         15 Dec 2006
                   4069: 
                   4070:     *) Feature: the "perl" directive may be used inside the "limit_except"
                   4071:        block.
                   4072: 
                   4073:     *) Bugfix: the ngx_http_dav_module required the "Date" request header
                   4074:        line for the DELETE method.
                   4075: 
                   4076:     *) Bugfix: if one only parameter was used in the "dav_access" directive,
                   4077:        then nginx might report about configuration error.
                   4078: 
                   4079:     *) Bugfix: a segmentation fault might occur if the $host variable was
                   4080:        used; the bug had appeared in 0.4.14.
                   4081: 
                   4082: 
                   4083: Changes with nginx 0.5.3                                         13 Dec 2006
                   4084: 
                   4085:     *) Feature: the ngx_http_perl_module supports the $r->status,
                   4086:        $r->log_error, and $r->sleep methods.
                   4087: 
                   4088:     *) Feature: the $r->variable method supports variables that do not exist
                   4089:        in nginx configuration.
                   4090: 
                   4091:     *) Bugfix: the $r->has_request_body method did not work.
                   4092: 
                   4093: 
                   4094: Changes with nginx 0.5.2                                         11 Dec 2006
                   4095: 
                   4096:     *) Bugfix: if the "proxy_pass" directive used the name of the "upstream"
                   4097:        block, then nginx tried to resolve the name; the bug had appeared in
                   4098:        0.5.1.
                   4099: 
                   4100: 
                   4101: Changes with nginx 0.5.1                                         11 Dec 2006
                   4102: 
                   4103:     *) Bugfix: the "post_action" directive might not run after a
                   4104:        unsuccessful completion of a request.
                   4105: 
                   4106:     *) Workaround: for Eudora for Mac; the bug had appeared in 0.4.11.
                   4107:        Thanks to Bron Gondwana.
                   4108: 
                   4109:     *) Bugfix: if the "upstream" name was used in the "fastcgi_pass", then
                   4110:        the message "no port in upstream" was issued; the bug had appeared in
                   4111:        0.5.0.
                   4112: 
                   4113:     *) Bugfix: if the "proxy_pass" and "fastcgi_pass" directives used the
                   4114:        same servers but different ports, then these directives uses the
                   4115:        first described port; the bug had appeared in 0.5.0.
                   4116: 
                   4117:     *) Bugfix: if the "proxy_pass" and "fastcgi_pass" directives used the
                   4118:        unix domain sockets, then these directives used first described
                   4119:        socket; the bug had appeared in 0.5.0.
                   4120: 
                   4121:     *) Bugfix: ngx_http_auth_basic_module ignored the user if it was in the
                   4122:        last line in the password file and there was no the carriage return,
                   4123:        the line feed, or the ":" symbol after the password.
                   4124: 
                   4125:     *) Bugfix: the $upstream_response_time variable might be equal to
                   4126:        "0.000", although response time was more than 1 millisecond.
                   4127: 
                   4128: 
                   4129: Changes with nginx 0.5.0                                         04 Dec 2006
                   4130: 
                   4131:     *) Change: the parameters in the "%name" form in the "log_format"
                   4132:        directive are not supported anymore.
                   4133: 
                   4134:     *) Change: the "proxy_upstream_max_fails",
                   4135:        "proxy_upstream_fail_timeout", "fastcgi_upstream_max_fails",
                   4136:        "fastcgi_upstream_fail_timeout", "memcached_upstream_max_fails", and
                   4137:        "memcached_upstream_fail_timeout" directives are not supported
                   4138:        anymore.
                   4139: 
                   4140:     *) Feature: the "server" directive in the "upstream" context supports
                   4141:        the "max_fails", "fail_timeout", and "down" parameters.
                   4142: 
                   4143:     *) Feature: the "ip_hash" directive inside the "upstream" block.
                   4144: 
                   4145:     *) Feature: the WAIT status in the "Auth-Status" header line of the
                   4146:        IMAP/POP3 proxy authentication server response.
                   4147: 
                   4148:     *) Bugfix: nginx could not be built on 64-bit platforms; the bug had
                   4149:        appeared in 0.4.14.
                   4150: 
                   4151: 
                   4152: Changes with nginx 0.4.14                                        27 Nov 2006
                   4153: 
                   4154:     *) Feature: the "proxy_pass_error_message" directive in IMAP/POP3 proxy.
                   4155: 
                   4156:     *) Feature: now configure detects system PCRE library on FreeBSD, Linux,
                   4157:        and NetBSD.
                   4158: 
                   4159:     *) Bugfix: ngx_http_perl_module did not work with perl built with the
                   4160:        threads support; the bug had appeared in 0.3.38.
                   4161: 
                   4162:     *) Bugfix: ngx_http_perl_module did not work if perl was called
                   4163:        recursively.
                   4164: 
                   4165:     *) Bugfix: nginx ignored a host name in a request line.
                   4166: 
                   4167:     *) Bugfix: a worker process may got caught in an endless loop, if a
                   4168:        FastCGI server sent too many data to the stderr.
                   4169: 
                   4170:     *) Bugfix: the $upstream_response_time variable may be negative if the
                   4171:        system time was changed backward.
                   4172: 
                   4173:     *) Bugfix: the "Auth-Login-Attempt" parameter was not sent to IMAP/POP3
                   4174:        proxy authentication server when POP3 was used.
                   4175: 
                   4176:     *) Bugfix: a segmentation fault might occur if connect to IMAP/POP3
                   4177:        proxy authentication server failed.
                   4178: 
                   4179: 
                   4180: Changes with nginx 0.4.13                                        15 Nov 2006
                   4181: 
                   4182:     *) Feature: the "proxy_pass" directive may be used inside the
                   4183:        "limit_except" block.
                   4184: 
                   4185:     *) Feature: the "limit_except" directive supports all WebDAV methods.
                   4186: 
                   4187:     *) Bugfix: if the "add_before_body" directive was used without the
                   4188:        "add_after_body" directive, then a response did not transferred
                   4189:        complete.
                   4190: 
                   4191:     *) Bugfix: a large request body did not receive if the epoll method and
                   4192:        the deferred accept() were used.
                   4193: 
                   4194:     *) Bugfix: a charset could not be set for ngx_http_autoindex_module
                   4195:        responses; the bug had appeared in 0.3.50.
                   4196: 
                   4197:     *) Bugfix: the "[alert] zero size buf" error when FastCGI server was
                   4198:        used;
                   4199: 
                   4200:     *) Bugfix: the --group= configuration parameter was ignored.
                   4201:        Thanks to Thomas Moschny.
                   4202: 
                   4203:     *) Bugfix: the 50th subrequest in SSI response did not work; the bug had
                   4204:        appeared in 0.3.50.
                   4205: 
                   4206: 
                   4207: Changes with nginx 0.4.12                                        31 Oct 2006
                   4208: 
                   4209:     *) Feature: the ngx_http_perl_module supports the $r->variable method.
                   4210: 
                   4211:     *) Bugfix: if a big static file was included using SSI in a response,
                   4212:        then the response may be transferred incomplete.
                   4213: 
                   4214:     *) Bugfix: nginx did not omit the "#fragment" part in URI.
                   4215: 
                   4216: 
                   4217: Changes with nginx 0.4.11                                        25 Oct 2006
                   4218: 
                   4219:     *) Feature: the POP3 proxy supports the AUTH LOGIN PLAIN and CRAM-MD5.
                   4220: 
                   4221:     *) Feature: the ngx_http_perl_module supports the $r->allow_ranges
                   4222:        method.
                   4223: 
                   4224:     *) Bugfix: if the APOP was enabled in the POP3 proxy, then the USER/PASS
                   4225:        commands might not work; the bug had appeared in 0.4.10.
                   4226: 
                   4227: 
                   4228: Changes with nginx 0.4.10                                        23 Oct 2006
                   4229: 
                   4230:     *) Feature: the POP3 proxy supports the APOP command.
                   4231: 
                   4232:     *) Bugfix: if the select, poll or /dev/poll methods were used, then
                   4233:        while waiting authentication server response the IMAP/POP3 proxy
                   4234:        hogged CPU.
                   4235: 
                   4236:     *) Bugfix: a segmentation fault might occur if the $server_addr variable
                   4237:        was used in the "map" directive.
                   4238: 
                   4239:     *) Bugfix: the ngx_http_flv_module did not support the byte ranges for
                   4240:        full responses; the bug had appeared in 0.4.7.
                   4241: 
                   4242:     *) Bugfix: nginx could not be built on Debian amd64; the bug had
                   4243:        appeared in 0.4.9.
                   4244: 
                   4245: 
                   4246: Changes with nginx 0.4.9                                         13 Oct 2006
                   4247: 
                   4248:     *) Feature: the "set" parameter in the "include" SSI command.
                   4249: 
                   4250:     *) Feature: the ngx_http_perl_module now tests the nginx.pm module
                   4251:        version.
                   4252: 
                   4253: 
                   4254: Changes with nginx 0.4.8                                         11 Oct 2006
                   4255: 
                   4256:     *) Bugfix: if an "include" SSI command were before another "include" SSI
                   4257:        command with a "wait" parameter, then the "wait" parameter might not
                   4258:        work.
                   4259: 
                   4260:     *) Bugfix: the ngx_http_flv_module added the FLV header to the full
                   4261:        responses.
                   4262:        Thanks to Alexey Kovyrin.
                   4263: 
                   4264: 
                   4265: Changes with nginx 0.4.7                                         10 Oct 2006
                   4266: 
                   4267:     *) Feature: the ngx_http_flv_module.
                   4268: 
                   4269:     *) Feature: the $request_body_file variable.
                   4270: 
                   4271:     *) Feature: the "charset" and "source_charset" directives support the
                   4272:        variables.
                   4273: 
                   4274:     *) Bugfix: if an "include" SSI command were before another "include" SSI
                   4275:        command with a "wait" parameter, then the "wait" parameter might not
                   4276:        work.
                   4277: 
                   4278:     *) Bugfix: if the "proxy_buffering off" directive was used or while
                   4279:        working with memcached the connections might not be closed on
                   4280:        timeout.
                   4281: 
                   4282:     *) Bugfix: nginx did not run on 64-bit platforms except amd64, sparc64,
                   4283:        and ppc64.
                   4284: 
                   4285: 
                   4286: Changes with nginx 0.4.6                                         06 Oct 2006
                   4287: 
                   4288:     *) Bugfix: nginx did not run on 64-bit platforms except amd64, sparc64,
                   4289:        and ppc64.
                   4290: 
                   4291:     *) Bugfix: nginx sent the chunked response for HTTP/1.1 request,
                   4292:        if its length was set by text string in the
                   4293:        $r->headers_out("Content-Length", ...) method.
                   4294: 
                   4295:     *) Bugfix: after redirecting error by an "error_page" directive any
                   4296:        ngx_http_rewrite_module directive returned this error code; the bug
                   4297:        had appeared in 0.4.4.
                   4298: 
                   4299: 
                   4300: Changes with nginx 0.4.5                                         02 Oct 2006
                   4301: 
                   4302:     *) Bugfix: nginx could not be built on Linux and Solaris; the bug had
                   4303:        appeared in 0.4.4.
                   4304: 
                   4305: 
                   4306: Changes with nginx 0.4.4                                         02 Oct 2006
                   4307: 
                   4308:     *) Feature: the $scheme variable.
                   4309: 
                   4310:     *) Feature: the "expires" directive supports the "max" parameter.
                   4311: 
                   4312:     *) Feature: the "include" directive supports the "*" mask.
                   4313:        Thanks to Jonathan Dance.
                   4314: 
                   4315:     *) Bugfix: the "return" directive always overrode the "error_page"
                   4316:        response code redirected by the "error_page" directive.
                   4317: 
                   4318:     *) Bugfix: a segmentation fault occurred if zero-length body was in PUT
                   4319:        method.
                   4320: 
                   4321:     *) Bugfix: the redirect was changed incorrectly if the variables were
                   4322:        used in the "proxy_redirect" directive.
                   4323: 
                   4324: 
                   4325: Changes with nginx 0.4.3                                         26 Sep 2006
                   4326: 
                   4327:     *) Change: now the 499 error could not be redirected using an
                   4328:        "error_page" directive.
                   4329: 
                   4330:     *) Feature: the Solaris 10 event ports support.
                   4331: 
                   4332:     *) Feature: the ngx_http_browser_module.
                   4333: 
                   4334:     *) Bugfix: a segmentation fault may occur while redirecting the 400
                   4335:        error to the proxied server using a "proxy_pass" directive.
                   4336: 
                   4337:     *) Bugfix: a segmentation fault occurred if an unix domain socket was
                   4338:        used in a "proxy_pass" directive; the bug had appeared in 0.3.47.
                   4339: 
                   4340:     *) Bugfix: SSI did work with memcached and nonbuffered responses.
                   4341: 
                   4342:     *) Workaround: of the Sun Studio PAUSE hardware capability bug.
                   4343: 
                   4344: 
                   4345: Changes with nginx 0.4.2                                         14 Sep 2006
                   4346: 
                   4347:     *) Bugfix: the O_NOATIME flag support on Linux was canceled; the bug had
                   4348:        appeared in 0.4.1.
                   4349: 
                   4350: 
                   4351: Changes with nginx 0.4.1                                         14 Sep 2006
                   4352: 
                   4353:     *) Bugfix: the DragonFlyBSD compatibility.
                   4354:        Thanks to Pavel Nazarov.
                   4355: 
                   4356:     *) Workaround: of bug in 64-bit Linux sendfile(), when file is more than
                   4357:        2G.
                   4358: 
                   4359:     *) Feature: now on Linux nginx uses O_NOATIME flag for static requests.
                   4360:        Thanks to Yusuf Goolamabbas.
                   4361: 
                   4362: 
                   4363: Changes with nginx 0.4.0                                         30 Aug 2006
                   4364: 
                   4365:     *) Change in internal API: the HTTP modules initialization was moved
                   4366:        from the init module phase to the HTTP postconfiguration phase.
                   4367: 
                   4368:     *) Change: now the request body is not read beforehand for the
                   4369:        ngx_http_perl_module: it's required to start the reading using the
                   4370:        $r->has_request_body method.
                   4371: 
                   4372:     *) Feature: the ngx_http_perl_module supports the DECLINED return code.
                   4373: 
                   4374:     *) Feature: the ngx_http_dav_module supports the incoming "Date" header
                   4375:        line for the PUT method.
                   4376: 
                   4377:     *) Feature: the "ssi" directive is available inside the "if" block.
                   4378: 
                   4379:     *) Bugfix: a segmentation fault occurred if there was an "index"
                   4380:        directive with variables and the first index name was without
                   4381:        variables; the bug had appeared in 0.1.29.
                   4382: 
                   4383: 
                   4384: Changes with nginx 0.3.61                                        28 Aug 2006
                   4385: 
                   4386:     *) Change: now the "tcp_nodelay" directive is turned on by default.
                   4387: 
                   4388:     *) Feature: the "msie_refresh" directive.
                   4389: 
                   4390:     *) Feature: the "recursive_error_pages" directive.
                   4391: 
                   4392:     *) Bugfix: the "rewrite" directive returned incorrect redirect, if the
                   4393:        redirect had the captured escaped symbols from original URI.
                   4394: 
                   4395: 
                   4396: Changes with nginx 0.3.60                                        18 Aug 2006
                   4397: 
                   4398:     *) Bugfix: a worker process may got caught in an endless loop while an
                   4399:        error redirection; the bug had appeared in 0.3.59.
                   4400: 
                   4401: 
                   4402: Changes with nginx 0.3.59                                        16 Aug 2006
                   4403: 
                   4404:     *) Feature: now is possible to do several redirection using the
                   4405:        "error_page" directive.
                   4406: 
                   4407:     *) Bugfix: the "dav_access" directive did not support three parameters.
                   4408: 
                   4409:     *) Bugfix: the "error_page" directive did not changes the "Content-Type"
                   4410:        header line after the "X-Accel-Redirect" was used; the bug had
                   4411:        appeared in 0.3.58.
                   4412: 
                   4413: 
                   4414: Changes with nginx 0.3.58                                        14 Aug 2006
                   4415: 
                   4416:     *) Feature: the "error_page" directive supports the variables.
                   4417: 
                   4418:     *) Change: now the procfs interface instead of sysctl is used on Linux.
                   4419: 
                   4420:     *) Change: now the "Content-Type" header line is inherited from first
                   4421:        response when the "X-Accel-Redirect" was used.
                   4422: 
                   4423:     *) Bugfix: the "error_page" directive did not redirect the 413 error.
                   4424: 
                   4425:     *) Bugfix: the trailing "?" did not remove old arguments if no new
                   4426:        arguments were added to a rewritten URI.
                   4427: 
                   4428:     *) Bugfix: nginx could not run on 64-bit FreeBSD 7.0-CURRENT.
                   4429: 
                   4430: 
                   4431: Changes with nginx 0.3.57                                        09 Aug 2006
                   4432: 
                   4433:     *) Feature: the $ssl_client_serial variable.
                   4434: 
                   4435:     *) Bugfix: in the "!-e" operator of the "if" directive.
                   4436:        Thanks to Andrian Budanstov.
                   4437: 
                   4438:     *) Bugfix: while a client certificate verification nginx did not send to
                   4439:        a client the required certificates information.
                   4440: 
                   4441:     *) Bugfix: the $document_root variable did not support the variables in
                   4442:        the "root" directive.
                   4443: 
                   4444: 
                   4445: Changes with nginx 0.3.56                                        04 Aug 2006
                   4446: 
                   4447:     *) Feature: the "dav_access" directive.
                   4448: 
                   4449:     *) Feature: the "if" directive supports the "-d", "!-d", "-e", "!-e",
                   4450:        "-x", and "!-x" operators.
                   4451: 
                   4452:     *) Bugfix: a segmentation fault occurred if a request returned a
                   4453:        redirect and some sent to client header lines were logged in the
                   4454:        access log.
                   4455: 
                   4456: 
                   4457: Changes with nginx 0.3.55                                        28 Jul 2006
                   4458: 
                   4459:     *) Feature: the "stub" parameter in the "include" SSI command.
                   4460: 
                   4461:     *) Feature: the "block" SSI command.
                   4462: 
                   4463:     *) Feature: the unicode2nginx script was added to contrib.
                   4464: 
                   4465:     *) Bugfix: if a "root" was specified by variable only, then the root was
                   4466:        relative to a server prefix.
                   4467: 
                   4468:     *) Bugfix: if the request contained "//" or "/./" and escaped symbols
                   4469:        after them, then the proxied request was sent unescaped.
                   4470: 
                   4471:     *) Bugfix: the $r->header_in("Cookie") of the ngx_http_perl_module now
                   4472:        returns all "Cookie" header lines.
                   4473: 
                   4474:     *) Bugfix: a segmentation fault occurred if
                   4475:        "client_body_in_file_only on" was used and nginx switched to a next
                   4476:        upstream.
                   4477: 
                   4478:     *) Bugfix: on some condition while reconfiguration character codes
                   4479:        inside the "charset_map" may be treated invalid; the bug had appeared
                   4480:        in 0.3.50.
                   4481: 
                   4482: 
                   4483: Changes with nginx 0.3.54                                        11 Jul 2006
                   4484: 
                   4485:     *) Feature: nginx now logs the subrequest information to the error log.
                   4486: 
                   4487:     *) Feature: the "proxy_next_upstream", "fastcgi_next_upstream", and
                   4488:        "memcached_next_upstream" directives support the "off" parameter.
                   4489: 
                   4490:     *) Feature: the "debug_connection" directive supports the CIDR address
                   4491:        form.
                   4492: 
                   4493:     *) Bugfix: if a response of proxied server or FastCGI server was
                   4494:        converted from UTF-8 or back, then it may be transferred incomplete.
                   4495: 
                   4496:     *) Bugfix: the $upstream_response_time variable had the time of the
                   4497:        first request to a backend only.
                   4498: 
                   4499:     *) Bugfix: nginx could not be built on amd64 platform; the bug had
                   4500:        appeared in 0.3.53.
                   4501: 
                   4502: 
                   4503: Changes with nginx 0.3.53                                        07 Jul 2006
                   4504: 
                   4505:     *) Change: the "add_header" directive adds the string to 204, 301, and
                   4506:        302 responses.
                   4507: 
                   4508:     *) Feature: the "server" directive in the "upstream" context supports
                   4509:        the "weight" parameter.
                   4510: 
                   4511:     *) Feature: the "server_name" directive supports the "*" wildcard.
                   4512: 
                   4513:     *) Feature: nginx supports the request body size more than 2G.
                   4514: 
                   4515:     *) Bugfix: if a client was successfully authorized using "satisfy_any
                   4516:        on", then anyway the message "access forbidden by rule" was written
                   4517:        in the log.
                   4518: 
                   4519:     *) Bugfix: the "PUT" method may erroneously not create a file and return
                   4520:        the 409 code.
                   4521: 
                   4522:     *) Bugfix: if the IMAP/POP3 backend returned an error, then nginx
                   4523:        continued proxying anyway.
                   4524: 
                   4525: 
                   4526: Changes with nginx 0.3.52                                        03 Jul 2006
                   4527: 
                   4528:     *) Change: the ngx_http_index_module behavior for the "POST /" requests
                   4529:        is reverted to the 0.3.40 version state: the module now does not
                   4530:        return the 405 error.
                   4531: 
                   4532:     *) Bugfix: the worker process may got caught in an endless loop if the
                   4533:        limit rate was used; the bug had appeared in 0.3.37.
                   4534: 
                   4535:     *) Bugfix: ngx_http_charset_module logged "unknown charset" alert, even
                   4536:        if the recoding was not needed; the bug had appeared in 0.3.50.
                   4537: 
                   4538:     *) Bugfix: if a code response of the PUT request was 409, then a
                   4539:        temporary file was not removed.
                   4540: 
                   4541: 
                   4542: Changes with nginx 0.3.51                                        30 Jun 2006
                   4543: 
                   4544:     *) Bugfix: the "<" symbols might disappeared some conditions in the SSI;
                   4545:        the bug had appeared in 0.3.50.
                   4546: 
                   4547: 
                   4548: Changes with nginx 0.3.50                                        28 Jun 2006
                   4549: 
                   4550:     *) Change: the "proxy_redirect_errors" and "fastcgi_redirect_errors"
                   4551:        directives was renamed to the "proxy_intercept_errors" and
                   4552:        "fastcgi_intercept_errors" directives.
                   4553: 
                   4554:     *) Feature: the ngx_http_charset_module supports the recoding from the
                   4555:        single byte encodings to the UTF-8 encoding and back.
                   4556: 
                   4557:     *) Feature: the "X-Accel-Charset" response header line is supported in
                   4558:        proxy and FastCGI mode.
                   4559: 
                   4560:     *) Bugfix: the "\" escape symbol in the "\"" and "\'" pairs in the SSI
                   4561:        command was removed only if the command also has the "$" symbol.
                   4562: 
                   4563:     *) Bugfix: the "<!--" string might be added on some conditions in the
                   4564:        SSI after inclusion.
                   4565: 
                   4566:     *) Bugfix: if the "Content-Length: 0" header line was in response, then
                   4567:        in nonbuffered proxying mode the client connection was not closed.
                   4568: 
                   4569: 
                   4570: Changes with nginx 0.3.49                                        31 May 2006
                   4571: 
                   4572:     *) Bugfix: in the "set" directive.
                   4573: 
                   4574:     *) Bugfix: if two or more FastCGI subrequests was in SSI, then first
                   4575:        subrequest output was included instead of second and following
                   4576:        subrequests.
                   4577: 
                   4578: 
                   4579: Changes with nginx 0.3.48                                        29 May 2006
                   4580: 
                   4581:     *) Change: now the ngx_http_charset_module works for subrequests, if the
                   4582:        response has no "Content-Type" header line.
                   4583: 
                   4584:     *) Bugfix: if the "proxy_pass" directive has no URI part, then the
                   4585:        "proxy_redirect default" directive add the unnecessary slash in start
                   4586:        of the rewritten redirect.
                   4587: 
                   4588:     *) Bugfix: the internal redirect always transform client's HTTP method
                   4589:        to GET, now the transformation is made for the "X-Accel-Redirect"
                   4590:        redirects only and if the method is not HEAD; the bug had appeared in
                   4591:        0.3.42.
                   4592: 
                   4593:     *) Bugfix: the ngx_http_perl_module could not be built, if the perl was
                   4594:        built with the threads support; the bug had appeared in 0.3.46.
                   4595: 
                   4596: 
                   4597: Changes with nginx 0.3.47                                        23 May 2006
                   4598: 
                   4599:     *) Feature: the "upstream" directive.
                   4600: 
                   4601:     *) Change: now the "\" escape symbol in the "\"" and "\'" pairs in the
                   4602:        SSI command is always removed.
                   4603: 
                   4604: 
                   4605: Changes with nginx 0.3.46                                        11 May 2006
                   4606: 
                   4607:     *) Feature: the "proxy_hide_header", "proxy_pass_header",
                   4608:        "fastcgi_hide_header", and "fastcgi_pass_header" directives.
                   4609: 
                   4610:     *) Change: the "proxy_pass_x_powered_by", "fastcgi_x_powered_by", and
                   4611:        "proxy_pass_server" directives were canceled.
                   4612: 
                   4613:     *) Feature: the "X-Accel-Buffering" response header line is supported in
                   4614:        proxy mode.
                   4615: 
                   4616:     *) Bugfix: the reconfiguration bug and memory leaks in the
                   4617:        ngx_http_perl_module.
                   4618: 
                   4619: 
                   4620: Changes with nginx 0.3.45                                        06 May 2006
                   4621: 
                   4622:     *) Feature: the "ssl_verify_client", "ssl_verify_depth", and
                   4623:        "ssl_client_certificate" directives.
                   4624: 
                   4625:     *) Change: the $request_method variable now returns the main request
                   4626:        method.
                   4627: 
                   4628:     *) Change: the &deg; symbol codes were changed in koi-win conversion
                   4629:        table.
                   4630: 
                   4631:     *) Feature: the euro and N symbols were added to koi-win conversion
                   4632:        table.
                   4633: 
                   4634:     *) Bugfix: if nginx distributed the requests among several backends and
                   4635:        some backend failed, then requests intended for this backend was
                   4636:        directed to one live backend only instead of being distributed among
                   4637:        the rest.
                   4638: 
                   4639: 
                   4640: Changes with nginx 0.3.44                                        04 May 2006
                   4641: 
                   4642:     *) Feature: the "wait" parameter in the "include" SSI command.
                   4643: 
                   4644:     *) Feature: the Ukrainian and Byelorussian characters were added to
                   4645:        koi-win conversion table.
                   4646: 
                   4647:     *) Bugfix: in the SSI.
                   4648: 
                   4649: 
                   4650: Changes with nginx 0.3.43                                        26 Apr 2006
                   4651: 
                   4652:     *) Bugfix: in the SSI.
                   4653: 
                   4654: 
                   4655: Changes with nginx 0.3.42                                        26 Apr 2006
                   4656: 
                   4657:     *) Feature: the "bind" option of the "listen" directive in IMAP/POP3
                   4658:        proxy.
                   4659: 
                   4660:     *) Bugfix: if the same capture in the "rewrite" directive was used more
                   4661:        then once.
                   4662: 
                   4663:     *) Bugfix: the $sent_http_content_type, $sent_http_content_length,
                   4664:        $sent_http_last_modified, $sent_http_connection,
                   4665:        $sent_http_keep_alive, and $sent_http_transfer_encoding variables
                   4666:        were not written to access log.
                   4667: 
                   4668:     *) Bugfix: the $sent_http_cache_control returned value of the single
                   4669:        "Cache-Control" response header line.
                   4670: 
                   4671: 
                   4672: Changes with nginx 0.3.41                                        21 Apr 2006
                   4673: 
                   4674:     *) Feature: the -v switch.
                   4675: 
                   4676:     *) Bugfix: the segmentation fault may occurred if the SSI page has
                   4677:        remote subrequests.
                   4678: 
                   4679:     *) Bugfix: in FastCGI handling.
                   4680: 
                   4681:     *) Bugfix: if the perl modules path was not set using
                   4682:        --with-perl_modules_path=PATH or the "perl_modules", then the
                   4683:        segmentation fault was occurred.
                   4684: 
                   4685: 
                   4686: Changes with nginx 0.3.40                                        19 Apr 2006
                   4687: 
                   4688:     *) Feature: the ngx_http_dav_module supports the MKCOL method.
                   4689: 
                   4690:     *) Feature: the "create_full_put_path" directive.
                   4691: 
                   4692:     *) Feature: the "$limit_rate" variable.
                   4693: 
                   4694: 
                   4695: Changes with nginx 0.3.39                                        17 Apr 2006
                   4696: 
                   4697:     *) Feature: the "uninitialized_variable_warn" directive; the logging
                   4698:        level of the "uninitialized variable" message was lowered from
                   4699:        "alert" to "warn".
                   4700: 
                   4701:     *) Feature: the "override_charset" directive.
                   4702: 
                   4703:     *) Change: now if the unknown variable is used in the "echo" and "if
                   4704:        expr='$name'" SSI-commands, then the "unknown variable" message is
                   4705:        not logged.
                   4706: 
                   4707:     *) Bugfix: the active connection counter increased on the exceeding of
                   4708:        the connection limit specified by the "worker_connections" directive;
                   4709:        the bug had appeared in 0.2.0.
                   4710: 
                   4711:     *) Bugfix: the limit rate might not work on some condition; the bug had
                   4712:        appeared in 0.3.38.
                   4713: 
                   4714: 
                   4715: Changes with nginx 0.3.38                                        14 Apr 2006
                   4716: 
                   4717:     *) Feature: the ngx_http_dav_module.
                   4718: 
                   4719:     *) Change: the ngx_http_perl_module optimizations.
                   4720:        Thanks to Sergey Skvortsov.
                   4721: 
                   4722:     *) Feature: the ngx_http_perl_module supports the $r->request_body_file
                   4723:        method.
                   4724: 
                   4725:     *) Feature: the "client_body_in_file_only" directive.
                   4726: 
                   4727:     *) Workaround: now on disk overflow nginx tries to write access logs
                   4728:        once a second only.
                   4729:        Thanks to Anton Yuzhaninov and Maxim Dounin.
                   4730: 
                   4731:     *) Bugfix: now the "limit_rate" directive more precisely limits rate if
                   4732:        rate is more than 100 Kbyte/s.
                   4733:        Thanks to ForJest.
                   4734: 
                   4735:     *) Bugfix: now the IMAP/POP3 proxy escapes the "\r" and "\n" symbols in
                   4736:        login and password to pass authorization server.
                   4737:        Thanks to Maxim Dounin.
                   4738: 
                   4739: 
                   4740: Changes with nginx 0.3.37                                        07 Apr 2006
                   4741: 
                   4742:     *) Feature: the "limit_except" directive.
                   4743: 
                   4744:     *) Feature: the "if" directive supports the "!~", "!~*", "-f", and "!-f"
                   4745:        operators.
                   4746: 
                   4747:     *) Feature: the ngx_http_perl_module supports the $r->request_body
                   4748:        method.
                   4749: 
                   4750:     *) Bugfix: in the ngx_http_addition_filter_module.
                   4751: 
                   4752: 
                   4753: Changes with nginx 0.3.36                                        05 Apr 2006
                   4754: 
                   4755:     *) Feature: the ngx_http_addition_filter_module.
                   4756: 
                   4757:     *) Feature: the "proxy_pass" and "fastcgi_pass" directives may be used
                   4758:        inside the "if" block.
                   4759: 
                   4760:     *) Feature: the "proxy_ignore_client_abort" and
                   4761:        "fastcgi_ignore_client_abort" directives.
                   4762: 
                   4763:     *) Feature: the "$request_completion" variable.
                   4764: 
                   4765:     *) Feature: the ngx_http_perl_module supports the $r->request_method and
                   4766:        $r->remote_addr.
                   4767: 
                   4768:     *) Feature: the ngx_http_ssi_module supports the "elif" command.
                   4769: 
                   4770:     *) Bugfix: the "\/" string in the expression of the "if" command of the
                   4771:        ngx_http_ssi_module was treated incorrectly.
                   4772: 
                   4773:     *) Bugfix: in the regular expressions in the "if" command of the
                   4774:        ngx_http_ssi_module.
                   4775: 
                   4776:     *) Bugfix: if the relative path was specified in the
                   4777:        "client_body_temp_path", "proxy_temp_path", "fastcgi_temp_path", and
                   4778:        "perl_modules" directives, then the directory was used relatively to
                   4779:        a current path but not to a server prefix.
                   4780: 
                   4781: 
                   4782: Changes with nginx 0.3.35                                        22 Mar 2006
                   4783: 
                   4784:     *) Bugfix: the accept-filter and the TCP_DEFER_ACCEPT option were set
                   4785:        for first "listen" directive only; the bug had appeared in 0.3.31.
                   4786: 
                   4787:     *) Bugfix: in the "proxy_pass" directive without the URI part in a
                   4788:        subrequest.
                   4789: 
                   4790: 
                   4791: Changes with nginx 0.3.34                                        21 Mar 2006
                   4792: 
                   4793:     *) Feature: the "add_header" directive supports the variables.
                   4794: 
                   4795: 
                   4796: Changes with nginx 0.3.33                                        15 Mar 2006
                   4797: 
                   4798:     *) Feature: the "http_503" parameter of the "proxy_next_upstream" or
                   4799:        "fastcgi_next_upstream" directives.
                   4800: 
                   4801:     *) Bugfix: ngx_http_perl_module did not work with inlined in the
                   4802:        configuration code, if it was not started with the "sub" word.
                   4803: 
                   4804:     *) Bugfix: in the "post_action" directive.
                   4805: 
                   4806: 
                   4807: Changes with nginx 0.3.32                                        11 Mar 2006
                   4808: 
                   4809:     *) Bugfix: the debug logging on startup and reconfiguration time was
                   4810:        removed; the bug had appeared in 0.3.31.
                   4811: 
                   4812: 
                   4813: Changes with nginx 0.3.31                                        10 Mar 2006
                   4814: 
                   4815:     *) Change: now nginx passes the malformed proxied backend responses.
                   4816: 
                   4817:     *) Feature: the "listen" directives support the address in the "*:port"
                   4818:        form.
                   4819: 
                   4820:     *) Feature: the EVFILER_TIMER support in MacOSX 10.4.
                   4821: 
                   4822:     *) Workaround: for MacOSX 64-bit kernel kqueue millisecond timeout bug.
                   4823:        Thanks to Andrei Nigmatulin.
                   4824: 
                   4825:     *) Bugfix: if there were several "listen" directives listening one
                   4826:        various addresses inside one server, then server names like
                   4827:        "*.domain.tld" worked for first address only; the bug had appeared in
                   4828:        0.3.18.
                   4829: 
                   4830:     *) Bugfix: if the HTTPS protocol was used in the "proxy_pass" directive
                   4831:        and the request body was in temporary file then the request was not
                   4832:        transferred.
                   4833: 
                   4834:     *) Bugfix: perl 5.8.8 compatibility.
                   4835: 
                   4836: 
                   4837: Changes with nginx 0.3.30                                        22 Feb 2006
                   4838: 
                   4839:     *) Change: the ECONNABORTED error log level was changed to "error" from
                   4840:        "crit".
                   4841: 
                   4842:     *) Bugfix: the ngx_http_perl_module could not be build without the
                   4843:        ngx_http_ssi_filter_module.
                   4844: 
                   4845:     *) Bugfix: nginx could not be built on i386 platform, if the PIC was
                   4846:        used; the bug had appeared in 0.3.27.
                   4847: 
                   4848: 
                   4849: Changes with nginx 0.3.29                                        20 Feb 2006
                   4850: 
                   4851:     *) Feature: now nginx uses less memory, if PHP in FastCGI mode sends
                   4852:        many warnings before the response.
                   4853: 
                   4854:     *) Bugfix: the "Transfer-Encoding: chunked" header line was issued in
                   4855:        the 204 responses for the HTTP/1.1 requests.
                   4856: 
                   4857:     *) Bugfix: nginx returned the 502 response, if the complete response
                   4858:        header lines were transferred in a separate FastCGI records.
                   4859: 
                   4860:     *) Bugfix: if the proxied URI was specified in the "post_action"
                   4861:        directive, then it ran only after a successful completion of a
                   4862:        request.
                   4863: 
                   4864: 
                   4865: Changes with nginx 0.3.28                                        16 Feb 2006
                   4866: 
                   4867:     *) Feature: the "restrict_host_names" directive was canceled.
                   4868: 
                   4869:     *) Feature: the --with-cpu-opt=ppc64 configuration parameter.
                   4870: 
                   4871:     *) Bugfix: on some condition the proxied connection with a client was
                   4872:        terminated prematurely.
                   4873:        Thanks to Vladimir Shutoff.
                   4874: 
                   4875:     *) Bugfix: the "X-Accel-Limit-Rate" header line was not taken into
                   4876:        account if the request was redirected using the "X-Accel-Redirect"
                   4877:        header line.
                   4878: 
                   4879:     *) Bugfix: the "post_action" directive ran only after a successful
                   4880:        completion of a request.
                   4881: 
                   4882:     *) Bugfix: the proxied response body generated by the "post_action"
                   4883:        directive was transferred to a client.
                   4884: 
                   4885: 
                   4886: Changes with nginx 0.3.27                                        08 Feb 2006
                   4887: 
                   4888:     *) Change: the "variables_hash_max_size" and
                   4889:        "variables_hash_bucket_size" directives.
                   4890: 
                   4891:     *) Feature: the $body_bytes_sent variable can be used not only in the
                   4892:        "log_format" directive.
                   4893: 
                   4894:     *) Feature: the $ssl_protocol and $ssl_cipher variables.
                   4895: 
                   4896:     *) Feature: the cache line size detection for widespread CPUs at start
                   4897:        time.
                   4898: 
                   4899:     *) Feature: now the "accept_mutex" directive is supported using fcntl(2)
                   4900:        on platforms different from i386, amd64, sparc64, and ppc.
                   4901: 
                   4902:     *) Feature: the "lock_file" directive and the --with-lock-path=PATH
                   4903:        autoconfiguration directive.
                   4904: 
                   4905:     *) Bugfix: if the HTTPS protocol was used in the "proxy_pass" directive
                   4906:        then the requests with the body was not transferred.
                   4907: 
                   4908: 
                   4909: Changes with nginx 0.3.26                                        03 Feb 2006
                   4910: 
                   4911:     *) Change: the "optimize_host_names" directive was renamed to the
                   4912:        "optimize_server_names".
                   4913: 
                   4914:     *) Bugfix: if in the "proxy_pass" directive was no the URI part, then
                   4915:        the main request URI was transferred to a backend while proxying the
                   4916:        SSI subrequest.
                   4917: 
                   4918: 
                   4919: Changes with nginx 0.3.25                                        01 Feb 2006
                   4920: 
                   4921:     *) Bugfix: the segmentation fault was occurred on start or while
                   4922:        reconfiguration if there was invalid configuration; the bug had
                   4923:        appeared in 0.3.24.
                   4924: 
                   4925: 
                   4926: Changes with nginx 0.3.24                                        01 Feb 2006
                   4927: 
                   4928:     *) Workaround: for bug in FreeBSD kqueue.
                   4929: 
                   4930:     *) Bugfix: now a response generated by the "post_action" directive is
                   4931:        not transferred to a client.
                   4932: 
                   4933:     *) Bugfix: the memory leaks were occurring if many log files were used.
                   4934: 
                   4935:     *) Bugfix: the first "proxy_redirect" directive was working inside one
                   4936:        location.
                   4937: 
                   4938:     *) Bugfix: on 64-bit platforms segmentation fault may occurred on start
                   4939:        if the many names were used in the "server_name" directives; the bug
                   4940:        had appeared in 0.3.18.
                   4941: 
                   4942: 
                   4943: Changes with nginx 0.3.23                                        24 Jan 2006
                   4944: 
                   4945:     *) Feature: the "optimize_host_names" directive.
                   4946: 
                   4947:     *) Bugfix: in using of the variables in the "path" and "alias"
                   4948:        directives.
                   4949: 
                   4950:     *) Bugfix: the ngx_http_perl_module was incorrectly built on Linux and
                   4951:        Solaris.
                   4952: 
                   4953: 
                   4954: Changes with nginx 0.3.22                                        17 Jan 2006
                   4955: 
                   4956:     *) Feature: the ngx_http_perl_module supports the $r->args and
                   4957:        $r->unescape methods.
                   4958: 
                   4959:     *) Feature: the method $r->query_string of ngx_http_perl_module was
                   4960:        canceled.
                   4961: 
                   4962:     *) Bugfix: segmentation fault was occurred if the "none" or "blocked"
                   4963:        values was specified in the "valid_referers" directive; the bug had
                   4964:        appeared in 0.3.18.
                   4965: 
                   4966: 
                   4967: Changes with nginx 0.3.21                                        16 Jan 2006
                   4968: 
                   4969:     *) Feature: the ngx_http_perl_module.
                   4970: 
                   4971:     *) Change: the "valid_referers" directive allows the referreres without
                   4972:        URI part.
                   4973: 
                   4974: 
                   4975: Changes with nginx 0.3.20                                        11 Jan 2006
                   4976: 
                   4977:     *) Bugfix: in SSI handling.
                   4978: 
                   4979:     *) Bugfix: the ngx_http_memcached_module did not support the keys in the
                   4980:        "/usr?args" form.
                   4981: 
                   4982: 
                   4983: Changes with nginx 0.3.19                                        28 Dec 2005
                   4984: 
                   4985:     *) Feature: the "path" and "alias" directives support the variables.
                   4986: 
                   4987:     *) Change: now the "valid_referers" directive again checks the URI part.
                   4988: 
                   4989:     *) Bugfix: in SSI handling.
                   4990: 
                   4991: 
                   4992: Changes with nginx 0.3.18                                        26 Dec 2005
                   4993: 
                   4994:     *) Feature: the "server_names" directive supports the ".domain.tld"
                   4995:        names.
                   4996: 
                   4997:     *) Feature: the "server_names" directive uses the hash for the
                   4998:        "*.domain.tld" names and more effective hash for usual names.
                   4999: 
                   5000:     *) Change: the "server_names_hash_max_size" and
                   5001:        "server_names_hash_bucket_size" directives.
                   5002: 
                   5003:     *) Change: the "server_names_hash" and "server_names_hash_threshold"
                   5004:        directives were canceled.
                   5005: 
                   5006:     *) Feature: the "valid_referers" directive uses the hash site names.
                   5007: 
                   5008:     *) Change: now the "valid_referers" directive checks the site names only
                   5009:        without the URI part.
                   5010: 
                   5011:     *) Bugfix: some ".domain.tld" names incorrectly processed by the
                   5012:        ngx_http_map_module.
                   5013: 
                   5014:     *) Bugfix: segmentation fault was occurred if configuration file did not
                   5015:        exist; the bug had appeared in 0.3.12.
                   5016: 
                   5017:     *) Bugfix: on 64-bit platforms segmentation fault may occurred on start;
                   5018:        the bug had appeared in 0.3.16.
                   5019: 
                   5020: 
                   5021: Changes with nginx 0.3.17                                        18 Dec 2005
                   5022: 
                   5023:     *) Change: now on Linux configure checks the presence of epoll and
                   5024:        sendfile64() in kernel.
                   5025: 
                   5026:     *) Feature: the "map" directive supports domain names in the
                   5027:        ".domain.tld" form.
                   5028: 
                   5029:     *) Bugfix: the timeouts were not used in SSL handshake; the bug had
                   5030:        appeared in 0.2.4.
                   5031: 
                   5032:     *) Bugfix: in the HTTPS protocol in the "proxy_pass" directive.
                   5033: 
                   5034:     *) Bugfix: when the HTTPS protocol was used in the "proxy_pass"
                   5035:        directive the port 80 was used by default.
                   5036: 
                   5037: 
                   5038: Changes with nginx 0.3.16                                        16 Dec 2005
                   5039: 
                   5040:     *) Feature: the ngx_http_map_module.
                   5041: 
                   5042:     *) Feature: the "types_hash_max_size" and "types_hash_bucket_size"
                   5043:        directives.
                   5044: 
                   5045:     *) Feature: the "ssi_value_length" directive.
                   5046: 
                   5047:     *) Feature: the "worker_rlimit_core" directive.
                   5048: 
                   5049:     *) Workaround: the connection number in logs was always 1 if nginx was
                   5050:        built by the icc 8.1 or 9.0 compilers with optimization for
                   5051:        Pentium 4.
                   5052: 
                   5053:     *) Bugfix: the "config timefmt" SSI command set incorrect time format.
                   5054: 
                   5055:     *) Bugfix: nginx did not close connection to IMAP/POP3 backend for the
                   5056:        SSL connections; the bug had appeared in 0.3.13.
                   5057:        Thanks to Rob Mueller.
                   5058: 
                   5059:     *) Bugfix: segmentation fault may occurred in at SSL shutdown; the bug
                   5060:        had appeared in 0.3.13.
                   5061: 
                   5062: 
                   5063: Changes with nginx 0.3.15                                        07 Dec 2005
                   5064: 
                   5065:     *) Feature: the new 444 code of the "return" directive to close
                   5066:        connection.
                   5067: 
                   5068:     *) Feature: the "so_keepalive" directive in IMAP/POP3 proxy.
                   5069: 
                   5070:     *) Bugfix: if there are unclosed connection nginx now calls abort() only
                   5071:        on gracefull quit and active "debug_points" directive.
                   5072: 
                   5073: 
                   5074: Changes with nginx 0.3.14                                        05 Dec 2005
                   5075: 
                   5076:     *) Bugfix: in the 304 response the body was transferred; the bug had
                   5077:        appeared in 0.3.13.
                   5078: 
                   5079: 
                   5080: Changes with nginx 0.3.13                                        05 Dec 2005
                   5081: 
                   5082:     *) Feature: the IMAP/POP3 proxy supports STARTTLS and STLS.
                   5083: 
                   5084:     *) Bugfix: the IMAP/POP3 proxy did not work with the select, poll, and
                   5085:        /dev/poll methods.
                   5086: 
                   5087:     *) Bugfix: in SSI handling.
                   5088: 
                   5089:     *) Bugfix: now Solaris sendfilev() is not used to transfer the client
                   5090:        request body to FastCGI-server via the unix domain socket.
                   5091: 
                   5092:     *) Bugfix: the "auth_basic" directive did not disable the authorization;
                   5093:        the bug had appeared in 0.3.11.
                   5094: 
                   5095: 
                   5096: Changes with nginx 0.3.12                                        26 Nov 2005
                   5097: 
                   5098:     *) Security: if nginx was built with the ngx_http_realip_module and the
                   5099:        "satisfy_any on" directive was used, then access and authorization
                   5100:        directives did not work. The ngx_http_realip_module was not built and
                   5101:        is not built by default.
                   5102: 
                   5103:     *) Change: the "$time_gmt" variable name was changed to "$time_local".
                   5104: 
                   5105:     *) Change: the "proxy_header_buffer_size" and
                   5106:        "fastcgi_header_buffer_size" directives was renamed to the
                   5107:        "proxy_buffer_size" and "fastcgi_buffer_size" directives.
                   5108: 
                   5109:     *) Feature: the ngx_http_memcached_module.
                   5110: 
                   5111:     *) Feature: the "proxy_buffering" directive.
                   5112: 
                   5113:     *) Bugfix: the changes in accept mutex handling when the "rtsig" method
                   5114:        was used; the bug had appeared in 0.3.0.
                   5115: 
                   5116:     *) Bugfix: if the client sent the "Transfer-Encoding: chunked" header
                   5117:        line, then nginx returns the 411 error.
                   5118: 
                   5119:     *) Bugfix: if the "auth_basic" directive was inherited from the http
                   5120:        level, then the realm in the "WWW-Authenticate" header line was
                   5121:        without the "Basic realm" text.
                   5122: 
                   5123:     *) Bugfix: if the "combined" format was explicitly specified in the
                   5124:        "access_log" directive, then the empty lines was written to the log;
                   5125:        the bug had appeared in 0.3.8.
                   5126: 
                   5127:     *) Bugfix: nginx did not run on the sparc platform under any OS except
                   5128:        Solaris.
                   5129: 
                   5130:     *) Bugfix: now it is not necessary to place space between the quoted
                   5131:        string and closing bracket in the "if" directive.
                   5132: 
                   5133: 
                   5134: Changes with nginx 0.3.11                                        15 Nov 2005
                   5135: 
                   5136:     *) Bugfix: nginx did not pass the client request headers and body while
                   5137:        proxying; the bug had appeared in 0.3.10.
                   5138: 
                   5139: 
                   5140: Changes with nginx 0.3.10                                        15 Nov 2005
                   5141: 
                   5142:     *) Change: the "valid_referers" directive and the "$invalid_referer"
                   5143:        variable were moved to the new ngx_http_referer_module from the
                   5144:        ngx_http_rewrite_module.
                   5145: 
                   5146:     *) Change: the "$apache_bytes_sent" variable name was changed to
                   5147:        "$body_bytes_sent".
                   5148: 
                   5149:     *) Feature: the "$sent_http_..." variables.
                   5150: 
                   5151:     *) Feature: the "if" directive supports the "=" and "!=" operations.
                   5152: 
                   5153:     *) Feature: the "proxy_pass" directive supports the HTTPS protocol.
                   5154: 
                   5155:     *) Feature: the "proxy_set_body" directive.
                   5156: 
                   5157:     *) Feature: the "post_action" directive.
                   5158: 
                   5159:     *) Feature: the ngx_http_empty_gif_module.
                   5160: 
                   5161:     *) Feature: the "worker_cpu_affinity" directive for Linux.
                   5162: 
                   5163:     *) Bugfix: the "rewrite" directive did not unescape URI part in
                   5164:        redirect, now it is unescaped except the %00-%25 and %7F-%FF
                   5165:        characters.
                   5166: 
                   5167:     *) Bugfix: nginx could not be built by the icc 9.0 compiler.
                   5168: 
                   5169:     *) Bugfix: if the SSI was enabled for zero size static file, then the
                   5170:        chunked response was encoded incorrectly.
                   5171: 
                   5172: 
                   5173: Changes with nginx 0.3.9                                         10 Nov 2005
                   5174: 
                   5175:     *) Bugfix: nginx considered URI as unsafe if two any symbols was between
                   5176:        two slashes; the bug had appeared in 0.3.8.
                   5177: 
                   5178: 
                   5179: Changes with nginx 0.3.8                                         09 Nov 2005
                   5180: 
                   5181:     *) Security: nginx now checks URI got from a backend in
                   5182:        "X-Accel-Redirect" header line or in SSI file for the "/../" paths
                   5183:        and zeroes.
                   5184: 
                   5185:     *) Change: nginx now does not treat the empty user name in the
                   5186:        "Authorization" header line as valid one.
                   5187: 
                   5188:     *) Feature: the "ssl_session_timeout" directives of the
                   5189:        ngx_http_ssl_module and ngx_imap_ssl_module.
                   5190: 
                   5191:     *) Feature: the "auth_http_header" directive of the
                   5192:        ngx_imap_auth_http_module.
                   5193: 
                   5194:     *) Feature: the "add_header" directive.
                   5195: 
                   5196:     *) Feature: the ngx_http_realip_module.
                   5197: 
                   5198:     *) Feature: the new variables to use in the "log_format" directive:
                   5199:        $bytes_sent, $apache_bytes_sent, $status, $time_gmt, $uri,
                   5200:        $request_time, $request_length, $upstream_status,
                   5201:        $upstream_response_time, $gzip_ratio, $uid_got, $uid_set,
                   5202:        $connection, $pipe, and $msec. The parameters in the "%name" form
                   5203:        will be canceled soon.
                   5204: 
                   5205:     *) Change: now the false variable values in the "if" directive are the
                   5206:        empty string "" and string starting with "0".
                   5207: 
                   5208:     *) Bugfix: while using proxied or FastCGI-server nginx may leave
                   5209:        connections and temporary files with client requests in open state.
                   5210: 
                   5211:     *) Bugfix: the worker processes did not flush the buffered logs on
                   5212:        graceful exit.
                   5213: 
                   5214:     *) Bugfix: if the request URI was changes by the "rewrite" directive and
                   5215:        the request was proxied in location given by regular expression, then
                   5216:        the incorrect request was transferred to backend; the bug had
                   5217:        appeared in 0.2.6.
                   5218: 
                   5219:     *) Bugfix: the "expires" directive did not remove the previous "Expires"
                   5220:        header.
                   5221: 
                   5222:     *) Bugfix: nginx may stop to accept requests if the "rtsig" method and
                   5223:        several worker processes were used.
                   5224: 
                   5225:     *) Bugfix: the "\"" and "\'" escape symbols were incorrectly handled in
                   5226:        SSI commands.
                   5227: 
                   5228:     *) Bugfix: if the response was ended just after the SSI command and
                   5229:        gzipping was used, then the response did not transferred complete or
                   5230:        did not transferred at all.
                   5231: 
                   5232: 
                   5233: Changes with nginx 0.3.7                                         27 Oct 2005
                   5234: 
                   5235:     *) Feature: the "access_log" supports the "buffer=" parameter.
                   5236: 
                   5237:     *) Bugfix: nginx could not be built on platforms different from i386,
                   5238:        amd64, sparc, and ppc; the bug had appeared in 0.3.2.
                   5239: 
                   5240: 
                   5241: Changes with nginx 0.3.6                                         24 Oct 2005
                   5242: 
                   5243:     *) Change: now the IMAP/POP3 proxy do not send the empty login to
                   5244:        authorization server.
                   5245: 
                   5246:     *) Feature: the "log_format" supports the variables in the $name form.
                   5247: 
                   5248:     *) Bugfix: if at least in one server was no the "listen" directive, then
                   5249:        nginx did not listen on the 80 port; the bug had appeared in 0.3.3.
                   5250: 
                   5251:     *) Bugfix: if the URI part is omitted in "proxy_pass" directive, the 80
                   5252:        port was always used.
                   5253: 
                   5254: 
                   5255: Changes with nginx 0.3.5                                         21 Oct 2005
                   5256: 
                   5257:     *) Bugfix: the segmentation fault may occurred if the IMAP/POP3 login
                   5258:        was changed by authorization server; the bug had appeared in 0.2.2.
                   5259: 
                   5260:     *) Bugfix: the accept mutex did not work and all connections were
                   5261:        handled by one process; the bug had appeared in 0.3.3.
                   5262: 
                   5263:     *) Bugfix: the timeout did not work if the "rtsig" method and the
                   5264:        "timer_resolution" directive were used.
                   5265: 
                   5266: 
                   5267: Changes with nginx 0.3.4                                         19 Oct 2005
                   5268: 
                   5269:     *) Bugfix: nginx could not be built on Linux 2.4+ and MacOS X; the bug
                   5270:        had appeared in 0.3.3.
                   5271: 
                   5272: 
                   5273: Changes with nginx 0.3.3                                         19 Oct 2005
                   5274: 
                   5275:     *) Change: the "bl" and "af" parameters of the "listen" directive was
                   5276:        renamed to the "backlog" and "accept_filter".
                   5277: 
                   5278:     *) Feature: the "rcvbuf" and "sndbuf" parameters of the "listen"
                   5279:        directive.
                   5280: 
                   5281:     *) Change: the "$msec" log parameter does not require now the additional
                   5282:        the gettimeofday() system call.
                   5283: 
                   5284:     *) Feature: the -t switch now tests the "listen" directives.
                   5285: 
                   5286:     *) Bugfix: if the invalid address was specified in the "listen"
                   5287:        directive, then after the -HUP signal nginx left an open socket in
                   5288:        the CLOSED state.
                   5289: 
                   5290:     *) Bugfix: the mime type may be incorrectly set to default value for
                   5291:        index file with variable in the name; the bug had appeared in 0.3.0.
                   5292: 
                   5293:     *) Feature: the "timer_resolution" directive.
                   5294: 
                   5295:     *) Feature: the millisecond "$upstream_response_time" log parameter.
                   5296: 
                   5297:     *) Bugfix: a temporary file with client request body now is removed just
                   5298:        after the response header was transferred to a client.
                   5299: 
                   5300:     *) Bugfix: OpenSSL 0.9.6 compatibility.
                   5301: 
                   5302:     *) Bugfix: the SSL certificate and key file paths could not be relative.
                   5303: 
                   5304:     *) Bugfix: the "ssl_prefer_server_ciphers" directive did not work in the
                   5305:        ngx_imap_ssl_module.
                   5306: 
                   5307:     *) Bugfix: the "ssl_protocols" directive allowed to specify the single
                   5308:        protocol only.
                   5309: 
                   5310: 
                   5311: Changes with nginx 0.3.2                                         12 Oct 2005
                   5312: 
                   5313:     *) Feature: the Sun Studio 10 C compiler support.
                   5314: 
                   5315:     *) Feature: the "proxy_upstream_max_fails",
                   5316:        "proxy_upstream_fail_timeout", "fastcgi_upstream_max_fails", and
                   5317:        "fastcgi_upstream_fail_timeout" directives.
                   5318: 
                   5319: 
                   5320: Changes with nginx 0.3.1                                         10 Oct 2005
                   5321: 
                   5322:     *) Bugfix: the segmentation fault occurred when the signal queue
                   5323:        overflowed if the "rtsig" method was used; the bug had appeared in
                   5324:        0.2.0.
                   5325: 
                   5326:     *) Change: correct handling of the "\\", "\"", "\'", and "\$" pairs in
                   5327:        SSI.
                   5328: 
                   5329: 
                   5330: Changes with nginx 0.3.0                                         07 Oct 2005
                   5331: 
                   5332:     *) Change: the 10-days live time limit of worker process was eliminated.
                   5333:        The limit was introduced because of millisecond timers overflow.
                   5334: 
                   5335: 
                   5336: Changes with nginx 0.2.6                                         05 Oct 2005
                   5337: 
                   5338:     *) Change: while using load-balancing the time before the failed backend
                   5339:        retry was decreased from 60 to 10 seconds.
                   5340: 
                   5341:     *) Change: the "proxy_pass_unparsed_uri" was canceled, the original URI
                   5342:        now passed, if the URI part is omitted in "proxy_pass" directive.
                   5343: 
                   5344:     *) Feature: the "error_page" directive supports redirects and allows
                   5345:        more flexible to change an error code.
                   5346: 
                   5347:     *) Change: the charset in the "Content-Type" header line now is ignored
                   5348:        in proxied subrequests.
                   5349: 
                   5350:     *) Bugfix: if the URI was changed in the "if" block and request did not
                   5351:        found new configuration, then the ngx_http_rewrite_module rules ran
                   5352:        again.
                   5353: 
                   5354:     *) Bugfix: if the "set" directive set the ngx_http_geo_module variable
                   5355:        in some configuration part, the this variable was not available in
                   5356:        other configuration parts and the "using uninitialized variable"
                   5357:        error was occurred; the bug had appeared in 0.2.2.
                   5358: 
                   5359: 
                   5360: Changes with nginx 0.2.5                                         04 Oct 2005
                   5361: 
                   5362:     *) Change: the duplicate value of the ngx_http_geo_module variable now
                   5363:        causes the warning and changes old value.
                   5364: 
                   5365:     *) Feature: the ngx_http_ssi_module supports the "set" command.
                   5366: 
                   5367:     *) Feature: the ngx_http_ssi_module supports the "file" parameter in the
                   5368:        "include" command.
                   5369: 
                   5370:     *) Feature: the ngx_http_ssi_module supports the variable value
                   5371:        substitutions in expressions of the "if" command.
                   5372: 
                   5373: 
                   5374: Changes with nginx 0.2.4                                         03 Oct 2005
                   5375: 
                   5376:     *) Feature: the ngx_http_ssi_module supports "$var=text", "$var!=text",
                   5377:        "$var=/text/", and "$var!=/text/" expressions in the "if" command.
                   5378: 
                   5379:     *) Bugfix: in proxying location without trailing slash; the bug had
                   5380:        appeared in 0.1.44.
                   5381: 
                   5382:     *) Bugfix: the segmentation fault may occurred if the "rtsig" method was
                   5383:        used; the bug had appeared in 0.2.0.
                   5384: 
                   5385: 
                   5386: Changes with nginx 0.2.3                                         30 Sep 2005
                   5387: 
                   5388:     *) Bugfix: nginx could not be built without the --with-debug option; the
                   5389:        bug had appeared in 0.2.2.
                   5390: 
                   5391: 
                   5392: Changes with nginx 0.2.2                                         30 Sep 2005
                   5393: 
                   5394:     *) Feature: the "config errmsg" command of the ngx_http_ssi_module.
                   5395: 
                   5396:     *) Change: the ngx_http_geo_module variables can be overridden by the
                   5397:        "set" directive.
                   5398: 
                   5399:     *) Feature: the "ssl_protocols" and "ssl_prefer_server_ciphers"
                   5400:        directives of the ngx_http_ssl_module and ngx_imap_ssl_module.
                   5401: 
                   5402:     *) Bugfix: the ngx_http_autoindex_module did not show correctly the long
                   5403:        file names;
                   5404: 
                   5405:     *) Bugfix: the ngx_http_autoindex_module now do not show the files
                   5406:        starting by dot.
                   5407: 
                   5408:     *) Bugfix: if the SSL handshake failed then another connection may be
                   5409:        closed too.
                   5410:        Thanks to Rob Mueller.
                   5411: 
                   5412:     *) Bugfix: the export versions of MSIE 5.x could not connect via HTTPS.
                   5413: 
                   5414: 
                   5415: Changes with nginx 0.2.1                                         23 Sep 2005
                   5416: 
                   5417:     *) Bugfix: if all backend using in load-balancing failed after one
                   5418:        error, then nginx may got caught in an endless loop; the bug had
                   5419:        appeared in 0.2.0.
                   5420: 
                   5421: 
                   5422: Changes with nginx 0.2.0                                         23 Sep 2005
                   5423: 
                   5424:     *) The pid-file names used during online upgrade was changed and now is
                   5425:        not required a manual rename operation. The old master process adds
                   5426:        the ".oldbin" suffix to its pid-file and executes a new binary file.
                   5427:        The new master process creates usual pid-file without the ".newbin"
                   5428:        suffix. If the master process exits, then old master process renames
                   5429:        back its pid-file with the ".oldbin" suffix to the pid-file without
                   5430:        suffix.
                   5431: 
                   5432:     *) Change: the "worker_connections" directive, new name of the
                   5433:        "connections" directive; now the directive specifies maximum number
                   5434:        of connections, but not maximum socket descriptor number.
                   5435: 
                   5436:     *) Feature: SSL supports the session cache inside one worker process.
                   5437: 
                   5438:     *) Feature: the "satisfy_any" directive.
                   5439: 
                   5440:     *) Change: the ngx_http_access_module and ngx_http_auth_basic_module do
                   5441:        not run for subrequests.
                   5442: 
                   5443:     *) Feature: the "worker_rlimit_nofile" and "worker_rlimit_sigpending"
                   5444:        directives.
                   5445: 
                   5446:     *) Bugfix: if all backend using in load-balancing failed after one
                   5447:        error, then nginx did not try do connect to them during 60 seconds.
                   5448: 
                   5449:     *) Bugfix: in IMAP/POP3 command argument parsing.
                   5450:        Thanks to Rob Mueller.
                   5451: 
                   5452:     *) Bugfix: errors while using SSL in IMAP/POP3 proxy.
                   5453: 
                   5454:     *) Bugfix: errors while using SSI and gzipping.
                   5455: 
                   5456:     *) Bugfix: the "Expires" and "Cache-Control" header lines were omitted
                   5457:        from the 304 responses.
                   5458:        Thanks to Alexandr Kukushkin.
                   5459: 
                   5460: 
                   5461: Changes with nginx 0.1.45                                        08 Sep 2005
                   5462: 
                   5463:     *) Change: the "ssl_engine" directive was canceled in the
                   5464:        ngx_http_ssl_module and now is introduced at global level.
                   5465: 
                   5466:     *) Bugfix: the responses with SSI subrequests did not transferred via
                   5467:        SSL connection.
                   5468: 
                   5469:     *) Various bug fixes in the IMAP/POP3 proxy.
                   5470: 
                   5471: 
                   5472: Changes with nginx 0.1.44                                        06 Sep 2005
                   5473: 
                   5474:     *) Feature: the IMAP/POP3 proxy supports SSL.
                   5475: 
                   5476:     *) Feature: the "proxy_timeout" directive of the ngx_imap_proxy_module.
                   5477: 
                   5478:     *) Feature: the "userid_mark" directive.
                   5479: 
                   5480:     *) Feature: the $remote_user variable value is determined independently
                   5481:        of authorization use.
                   5482: 
                   5483: 
                   5484: Changes with nginx 0.1.43                                        30 Aug 2005
                   5485: 
                   5486:     *) Feature: the listen(2) backlog in the "listen" directive can be
                   5487:        changed using the -HUP signal.
                   5488: 
                   5489:     *) Feature: the geo2nginx.pl script was added to contrib.
                   5490: 
                   5491:     *) Change: the FastCGI parameters with the empty values now are passed
                   5492:        to a server.
                   5493: 
                   5494:     *) Bugfix: the segmentation fault occurred or the worker process may got
                   5495:        caught in an endless loop if the proxied or FastCGI server sent the
                   5496:        "Cache-Control" header line and the "expires" directive was used; in
                   5497:        the proxied mode the bug had appeared in 0.1.29.
                   5498: 
                   5499: 
                   5500: Changes with nginx 0.1.42                                        23 Aug 2005
                   5501: 
                   5502:     *) Bugfix: if the request URI had a zero length after the processing in
                   5503:        the ngx_http_proxy_module, then the segmentation fault or bus error
                   5504:        occurred in the ngx_http_proxy_module.
                   5505: 
                   5506:     *) Bugfix: the "limit_rate" directive did not work inside the "if"
                   5507:        block; the bug had appeared in 0.1.38.
                   5508: 
                   5509: 
                   5510: Changes with nginx 0.1.41                                        25 Jul 2005
                   5511: 
                   5512:     *) Bugfix: if the variable was used in the configuration file, then it
                   5513:        can not be used in SSI.
                   5514: 
                   5515: 
                   5516: Changes with nginx 0.1.40                                        22 Jul 2005
                   5517: 
                   5518:     *) Bugfix: if a client sent too long header line, then the request
                   5519:        information did not logged in the error log.
                   5520: 
                   5521:     *) Bugfix: the "Set-Cookie" header line was not transferred when the
                   5522:        "X-Accel-Redirect" was used; the bug had appeared in 0.1.39.
                   5523: 
                   5524:     *) Bugfix: the "Content-Disposition" header line was not transferred
                   5525:        when the "X-Accel-Redirect" was used.
                   5526: 
                   5527:     *) Bugfix: the master process did not close the listen socket on the
                   5528:        SIGQUIT signal.
                   5529: 
                   5530:     *) Bugfix: after on-line upgrade on Linux and Solaris the process name
                   5531:        became shorter in the "ps" command.
                   5532: 
                   5533: 
                   5534: Changes with nginx 0.1.39                                        14 Jul 2005
                   5535: 
                   5536:     *) The changes in the ngx_http_charset_module: the "default_charset"
                   5537:        directive was canceled; the "charset" directive sets the response
                   5538:        charset; the "source_charset" directive sets the source charset only.
                   5539: 
                   5540:     *) Bugfix: the backend "WWW-Authenticate" header line did not
                   5541:        transferred while the 401 response code redirecting.
                   5542: 
                   5543:     *) Bugfix: the ngx_http_proxy_module and ngx_http_fastcgi_module may
                   5544:        close a connection before anything was transferred to a client; the
                   5545:        bug had appeared in 0.1.38.
                   5546: 
                   5547:     *) Workaround: the Linux glibc crypt_r() initialization bug.
                   5548: 
                   5549:     *) Bugfix: the ngx_http_ssi_module did not support the relative URI in
                   5550:        the "include virtual" command.
                   5551: 
                   5552:     *) Bugfix: if the backend response had the "Location" header line and
                   5553:        nginx should not rewrite this line, then the 500 code response body
                   5554:        was transferred; the bug had appeared in 0.1.29.
                   5555: 
                   5556:     *) Bugfix: some directives of the ngx_http_proxy_module and
                   5557:        ngx_http_fastcgi_module were not inherited from the server to the
                   5558:        location level; the bug had appeared in 0.1.29.
                   5559: 
                   5560:     *) Bugfix: the ngx_http_ssl_module did not support the certificate
                   5561:        chain.
                   5562: 
                   5563:     *) Bugfix: the ngx_http_autoindex_module did not show correctly the long
                   5564:        file names; the bug had appeared in 0.1.38.
                   5565: 
                   5566:     *) Bugfixes in IMAP/POP3 proxy in interaction with a backend at the
                   5567:        login state.
                   5568: 
                   5569: 
                   5570: Changes with nginx 0.1.38                                        08 Jul 2005
                   5571: 
                   5572:     *) Feature: the "limit_rate" directive is supported in proxy and FastCGI
                   5573:        mode.
                   5574: 
                   5575:     *) Feature: the "X-Accel-Limit-Rate" response header line is supported
                   5576:        in proxy and FastCGI mode.
                   5577: 
                   5578:     *) Feature: the "break" directive.
                   5579: 
                   5580:     *) Feature: the "log_not_found" directive.
                   5581: 
                   5582:     *) Bugfix: the response status code was not changed when request was
                   5583:        redirected by the ""X-Accel-Redirect" header line.
                   5584: 
                   5585:     *) Bugfix: the variables set by the "set" directive could not be used in
                   5586:        SSI.
                   5587: 
                   5588:     *) Bugfix: the segmentation fault may occurred if the SSI page has more
                   5589:        than one remote subrequest.
                   5590: 
                   5591:     *) Bugfix: nginx treated the backend response as invalid if the status
                   5592:        line in the header was transferred in two packets; the bug had
                   5593:        appeared in 0.1.29.
                   5594: 
                   5595:     *) Feature: the "ssi_types" directive.
                   5596: 
                   5597:     *) Feature: the "autoindex_exact_size" directive.
                   5598: 
                   5599:     *) Bugfix: the ngx_http_autoindex_module did not support the long file
                   5600:        names in UTF-8.
                   5601: 
                   5602:     *) Feature: the IMAP/POP3 proxy.
                   5603: 
                   5604: 
                   5605: Changes with nginx 0.1.37                                        23 Jun 2005
                   5606: 
                   5607:     *) Change: now the "\n" is added to the end of the "nginx.pid" file.
                   5608: 
                   5609:     *) Bugfix: the responses may be transferred not completely, if many
                   5610:        parts or the big parts were included by SSI.
                   5611: 
                   5612:     *) Bugfix: if all backends had returned the 404 reponse and the
                   5613:        "http_404" parameter of the "proxy_next_upstream" or
                   5614:        "fastcgi_next_upstream" directives was used, then nginx started to
                   5615:        request all backends again.
                   5616: 
                   5617: 
                   5618: Changes with nginx 0.1.36                                        15 Jun 2005
                   5619: 
                   5620:     *) Change: if the request header has duplicate the "Host", "Connection",
                   5621:        "Content-Length", or "Authorization" lines, then nginx now returns
                   5622:        the 400 error.
                   5623: 
                   5624:     *) Change: the "post_accept_timeout" directive was canceled.
                   5625: 
                   5626:     *) Feature: the "default", "af=", "bl=", "deferred", and "bind"
                   5627:        parameters of the "listen" directive.
                   5628: 
                   5629:     *) Feature: the FreeBSD accept filters support.
                   5630: 
                   5631:     *) Feature: the Linux TCP_DEFER_ACCEPT support.
                   5632: 
                   5633:     *) Bugfix: the ngx_http_autoindex_module did not support the file names
                   5634:        in UTF-8.
                   5635: 
                   5636:     *) Bugfix: the new log file can be rotated by the -USR1 signal only if
                   5637:        the reconfiguration by the -HUP signal was made twice.
                   5638: 
                   5639: 
                   5640: Changes with nginx 0.1.35                                        07 Jun 2005
                   5641: 
                   5642:     *) Feature: the "working_directory" directive.
                   5643: 
                   5644:     *) Feature: the "port_in_redirect" directive.
                   5645: 
                   5646:     *) Bugfix: the segmentation fault was occurred if the backend response
                   5647:        header was in several packets; the bug had appeared in 0.1.29.
                   5648: 
                   5649:     *) Bugfix: if more than 10 servers were configured or some server did
                   5650:        not use the "listen" directive, then the segmentation fault was
                   5651:        occurred on the start.
                   5652: 
                   5653:     *) Bugfix: the segmentation fault might occur if the response was bigger
                   5654:        than the temporary file.
                   5655: 
                   5656:     *) Bugfix: nginx returned the 400 response on requests like
                   5657:        "GET http://www.domain.com/uri HTTP/1.0"; the bug had appeared in
                   5658:        0.1.28.
                   5659: 
                   5660: 
                   5661: Changes with nginx 0.1.34                                        26 May 2005
                   5662: 
                   5663:     *) Bugfix: the worker process may got caught in an endless loop if the
                   5664:        big response part were include by SSI.
                   5665: 
                   5666:     *) Bugfix: the variables set by the "set" directive were not available
                   5667:        in SSI.
                   5668: 
                   5669:     *) Feature: the "autoindex_localtime" directive.
                   5670: 
                   5671:     *) Bugfix: the empty value of the "proxy_set_header" directive forbids
                   5672:        the client request header line passing.
                   5673: 
                   5674: 
                   5675: Changes with nginx 0.1.33                                        23 May 2005
                   5676: 
                   5677:     *) Bugfix: nginx could not be built with the --without-pcre parameter;
                   5678:        the bug had appeared in 0.1.29.
                   5679: 
                   5680:     *) Bugfix: 3, 4, 7, and 8 the "proxy_set_header" directives in one level
                   5681:        cause the bus fault on start up.
                   5682: 
                   5683:     *) Bugfix: the HTTP protocol was specified in the HTTPS redirects.
                   5684: 
                   5685:     *) Bugfix: if the "rewrite" directive used the captures inside the "if"
                   5686:        directive, then the 500 error code was returned.
                   5687: 
                   5688: 
                   5689: Changes with nginx 0.1.32                                        19 May 2005
                   5690: 
                   5691:     *) Bugfix: the arguments were omitted in the redirects, issued by the
                   5692:        "rewrite" directive; the bug had appeared in 0.1.29.
                   5693: 
                   5694:     *) Feature: the "if" directive supports the captures in regular
                   5695:        expressions.
                   5696: 
                   5697:     *) Feature: the "set" directive supports the variables and the captures
                   5698:        of regular expressions.
                   5699: 
                   5700:     *) Feature: the "X-Accel-Redirect" response header line is supported in
                   5701:        proxy and FastCGI mode.
                   5702: 
                   5703: 
                   5704: Changes with nginx 0.1.31                                        16 May 2005
                   5705: 
                   5706:     *) Bugfix: the response encrypted by SSL may not transferred complete.
                   5707: 
                   5708:     *) Bugfix: errors while processing FastCGI response by SSI.
                   5709: 
                   5710:     *) Bugfix: errors while using SSI and gzipping.
                   5711: 
                   5712:     *) Bugfix: the redirect with the 301 code was transferred without
                   5713:        response body; the bug had appeared in 0.1.30.
                   5714: 
                   5715: 
                   5716: Changes with nginx 0.1.30                                        14 May 2005
                   5717: 
                   5718:     *) Bugfix: the worker process may got caught in an endless loop if the
                   5719:        SSI was used.
                   5720: 
                   5721:     *) Bugfix: the response encrypted by SSL may not transferred complete.
                   5722: 
                   5723:     *) Bugfix: if the length of the response part received at once from
                   5724:        proxied or FastCGI server was equal to 500, then nginx returns the
                   5725:        500 response code; in proxy mode the bug had appeared in 0.1.29 only.
                   5726: 
                   5727:     *) Bugfix: nginx did not consider the directives with 8 or 9 parameters
                   5728:        as invalid.
                   5729: 
                   5730:     *) Feature: the "return" directive can return the 204 response code.
                   5731: 
                   5732:     *) Feature: the "ignore_invalid_headers" directive.
                   5733: 
                   5734: 
                   5735: Changes with nginx 0.1.29                                        12 May 2005
                   5736: 
                   5737:     *) Feature: the ngx_http_ssi_module supports "include virtual" command.
                   5738: 
                   5739:     *) Feature: the ngx_http_ssi_module supports the condition command like
                   5740:        'if expr="$NAME"' and "else" and "endif" commands. Only one nested
                   5741:        level is supported.
                   5742: 
                   5743:     *) Feature: the ngx_http_ssi_module supports the DATE_LOCAL and DATE_GMT
                   5744:        variables and "config timefmt" command.
                   5745: 
                   5746:     *) Feature: the "ssi_ignore_recycled_buffers" directive.
                   5747: 
                   5748:     *) Bugfix: the "echo" command did not show the default value for the
                   5749:        empty QUERY_STRING variable.
                   5750: 
                   5751:     *) Change: the ngx_http_proxy_module was rewritten.
                   5752: 
                   5753:     *) Feature: the "proxy_redirect", "proxy_pass_request_headers",
                   5754:        "proxy_pass_request_body", and "proxy_method" directives.
                   5755: 
                   5756:     *) Feature: the "proxy_set_header" directive. The "proxy_x_var" was
                   5757:        canceled and must be replaced with the proxy_set_header directive.
                   5758: 
                   5759:     *) Change: the "proxy_preserve_host" is canceled and must be replaced
                   5760:        with the "proxy_set_header Host $host" and the "proxy_redirect off"
                   5761:        directives, the "proxy_set_header Host $host:$proxy_port" directive
                   5762:        and the appropriate proxy_redirect directives.
                   5763: 
                   5764:     *) Change: the "proxy_set_x_real_ip" is canceled and must be replaced
                   5765:        with the "proxy_set_header X-Real-IP $remote_addr" directive.
                   5766: 
                   5767:     *) Change: the "proxy_add_x_forwarded_for" is canceled and must be
                   5768:        replaced with
                   5769:        the "proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for"
                   5770:        directive.
                   5771: 
                   5772:     *) Change: the "proxy_set_x_url" is canceled and must be replaced with
                   5773:        the "proxy_set_header X-URL http://$host:$server_port$request_uri"
                   5774:        directive.
                   5775: 
                   5776:     *) Feature: the "fastcgi_param" directive.
                   5777: 
                   5778:     *) Change: the "fastcgi_root", "fastcgi_set_var" and "fastcgi_params"
                   5779:        directive are canceled and must be replaced with the fastcgi_param
                   5780:        directives.
                   5781: 
                   5782:     *) Feature: the "index" directive can use the variables.
                   5783: 
                   5784:     *) Feature: the "index" directive can be used at http and server levels.
                   5785: 
                   5786:     *) Change: the last index only in the "index" directive can be absolute.
                   5787: 
                   5788:     *) Feature: the "rewrite" directive can use the variables.
                   5789: 
                   5790:     *) Feature: the "internal" directive.
                   5791: 
                   5792:     *) Feature: the CONTENT_LENGTH, CONTENT_TYPE, REMOTE_PORT, SERVER_ADDR,
                   5793:        SERVER_PORT, SERVER_PROTOCOL, DOCUMENT_ROOT, SERVER_NAME,
                   5794:        REQUEST_METHOD, REQUEST_URI, and REMOTE_USER variables.
                   5795: 
                   5796:     *) Change: nginx now passes the invalid lines in a client request
                   5797:        headers or a backend response header.
                   5798: 
                   5799:     *) Bugfix: if the backend did not transfer response for a long time and
                   5800:        the "send_timeout" was less than "proxy_read_timeout", then nginx
                   5801:        returned the 408 response.
                   5802: 
                   5803:     *) Bugfix: the segmentation fault was occurred if the backend sent an
                   5804:        invalid line in response header; the bug had appeared in 0.1.26.
                   5805: 
                   5806:     *) Bugfix: the segmentation fault may occurred in FastCGI fault
                   5807:        tolerance configuration.
                   5808: 
                   5809:     *) Bugfix: the "expires" directive did not remove the previous "Expires"
                   5810:        and "Cache-Control" headers.
                   5811: 
                   5812:     *) Bugfix: nginx did not take into account trailing dot in "Host" header
                   5813:        line.
                   5814: 
                   5815:     *) Bugfix: the ngx_http_auth_module did not work under Linux.
                   5816: 
                   5817:     *) Bugfix: the rewrite directive worked incorrectly, if the arguments
                   5818:        were in a request.
                   5819: 
                   5820:     *) Bugfix: nginx could not be built on MacOS X.
                   5821: 
                   5822: 
                   5823: Changes with nginx 0.1.28                                        08 Apr 2005
                   5824: 
                   5825:     *) Bugfix: nginx hogs CPU while proxying the huge files.
                   5826: 
                   5827:     *) Bugfix: nginx could not be built by gcc 4.0 on Linux.
                   5828: 
                   5829: 
                   5830: Changes with nginx 0.1.27                                        28 Mar 2005
                   5831: 
                   5832:     *) Feature: the "blocked" parameter of the "valid_referers" directive.
                   5833: 
                   5834:     *) Change: the errors while handling the request header now logged at
                   5835:        "info" level. The server name and the "Host" and "Referer" header
                   5836:        lines also logged.
                   5837: 
                   5838:     *) Change: the "Host" header line is also logged in error log.
                   5839: 
                   5840:     *) Feature: the proxy_pass_unparsed_uri directive. The special handling
                   5841:        of the "://" symbols in URI, appeared in 0.1.11 version, now is
                   5842:        canceled.
                   5843: 
                   5844:     *) Bugfix: nginx could not be built on FreeBSD and Linux, if the
                   5845:        --without-ngx_http_auth_basic_module configuration parameter was
                   5846:        used.
                   5847: 
                   5848: 
                   5849: Changes with nginx 0.1.26                                        22 Mar 2005
                   5850: 
                   5851:     *) Change: the invalid client header lines are now ignored and logged at
                   5852:        the info level.
                   5853: 
                   5854:     *) Change: the server name is also logged in error log.
                   5855: 
                   5856:     *) Feature: the ngx_http_auth_basic_module module and the auth_basic and
                   5857:        auth_basic_user_file directives.
                   5858: 
                   5859: 
                   5860: Changes with nginx 0.1.25                                        19 Mar 2005
                   5861: 
                   5862:     *) Bugfix: nginx did run on Linux parisc.
                   5863: 
                   5864:     *) Feature: nginx now does not start under FreeBSD if the sysctl
                   5865:        kern.ipc.somaxconn value is too big.
                   5866: 
                   5867:     *) Bugfix: if a request was internally redirected by the
                   5868:        ngx_http_index_module module to the ngx_http_proxy_module or
                   5869:        ngx_http_fastcgi_module modules, then the index file was not closed
                   5870:        after request completion.
                   5871: 
                   5872:     *) Feature: the "proxy_pass" can be used in location with regular
                   5873:        expression.
                   5874: 
                   5875:     *) Feature: the ngx_http_rewrite_filter_module module supports the
                   5876:        condition like "if ($HTTP_USER_AGENT ~ MSIE)".
                   5877: 
                   5878:     *) Bugfix: nginx started too slow if the large number of addresses and
                   5879:        text values were used in the "geo" directive.
                   5880: 
                   5881:     *) Change: a variable name must be declared as "$name" in the "geo"
                   5882:        directive. The previous variant without "$" is still supported, but
                   5883:        will be removed soon.
                   5884: 
                   5885:     *) Feature: the "%{VARIABLE}v" logging parameter.
                   5886: 
                   5887:     *) Feature: the "set $name value" directive.
                   5888: 
                   5889:     *) Bugfix: gcc 4.0 compatibility.
                   5890: 
                   5891:     *) Feature: the --with-openssl-opt=OPTIONS autoconfiguration directive.
                   5892: 
                   5893: 
                   5894: Changes with nginx 0.1.24                                        04 Mar 2005
                   5895: 
                   5896:     *) Feature: the ngx_http_ssi_filter_module supports the QUERY_STRING and
                   5897:        DOCUMENT_URI variables.
                   5898: 
                   5899:     *) Bugfix: the ngx_http_autoindex_module may some times return the 404
                   5900:        response for existent directory, if this directory was used in
                   5901:        "alias" directive.
                   5902: 
                   5903:     *) Bugfix: the ngx_http_ssi_filter_module ran incorrectly for large
                   5904:        responses.
                   5905: 
                   5906:     *) Bugfix: the lack of the "Referer" header line was always accounted as
                   5907:        valid referrer.
                   5908: 
                   5909: 
                   5910: Changes with nginx 0.1.23                                        01 Mar 2005
                   5911: 
                   5912:     *) Feature: the ngx_http_ssi_filter_module and the ssi,
                   5913:        ssi_silent_errors, and ssi_min_file_chunk directives. The 'echo
                   5914:        var="HTTP_..." default=""' and 'echo var="REMOTE_ADDR"' commands are
                   5915:        supported.
                   5916: 
                   5917:     *) Feature: the %request_time log parameter.
                   5918: 
                   5919:     *) Feature: if the request has no the "Host" header line, then the
                   5920:        "proxy_preserve_host" directive set this header line to the first
                   5921:        server name of the "server_name" directive.
                   5922: 
                   5923:     *) Bugfix: nginx could not be built on platforms different from i386,
                   5924:        amd64, sparc, and ppc; the bug had appeared in 0.1.22.
                   5925: 
                   5926:     *) Bugfix: the ngx_http_autoindex_module now shows the information not
                   5927:        about the symlink, but about file or directory it points to.
                   5928: 
                   5929:     *) Bugfix: the %apache_length parameter logged the negative length of
                   5930:        the response header if the no response was transferred to a client.
                   5931: 
                   5932: 
                   5933: Changes with nginx 0.1.22                                        22 Feb 2005
                   5934: 
                   5935:     *) Bugfix: the ngx_http_stub_status_module showed incorrect handled
                   5936:        connections statistics if the proxying or FastCGI server were used.
                   5937: 
                   5938:     *) Bugfix: the installation paths were incorrectly quoted on Linux and
                   5939:        Solaris; the bug had appeared in 0.1.21.
                   5940: 
                   5941: 
                   5942: Changes with nginx 0.1.21                                        22 Feb 2005
                   5943: 
                   5944:     *) Bugfix: the ngx_http_stub_status_module showed incorrect statistics
                   5945:        if "rtsig" method was used or if several worker process ran on SMP.
                   5946: 
                   5947:     *) Bugfix: nginx could not be built by the icc compiler on Linux or if
                   5948:        the zlib-1.2.x library was building from sources.
                   5949: 
                   5950:     *) Bugfix: nginx could not be built on NetBSD 2.0.
                   5951: 
                   5952: 
                   5953: Changes with nginx 0.1.20                                        17 Feb 2005
                   5954: 
                   5955:     *) Feature: the new "script_filename" and "remote_port" parameters of
                   5956:        the fastcgi_params directive.
                   5957: 
                   5958:     *) Bugfix: the FastCGI stderr stream was handled incorrectly.
                   5959: 
                   5960: 
                   5961: Changes with nginx 0.1.19                                        16 Feb 2005
                   5962: 
                   5963:     *) Bugfix: now, if request contains the zero, then the 404 error is
                   5964:        returned for the local requests.
                   5965: 
                   5966:     *) Bugfix: nginx could not be built on NetBSD 2.0.
                   5967: 
                   5968:     *) Bugfix: the timeout may occur while reading of the client request
                   5969:        body via SSL connections.
                   5970: 
                   5971: 
                   5972: Changes with nginx 0.1.18                                        09 Feb 2005
                   5973: 
                   5974:     *) Workaround: the default values of the devpoll_events and the
                   5975:        devpoll_changes directives changed from 512 to 32 to be compatible
                   5976:        with Solaris 10.
                   5977: 
                   5978:     *) Bugfix: the proxy_set_x_var and fastcgi_set_var directives were not
                   5979:        inherited.
                   5980: 
                   5981:     *) Bugfix: in a redirect rewrite directive arguments were concatenated
                   5982:        with URI by an "&" rather than a "?".
                   5983: 
                   5984:     *) Bugfix: the lines without trailing ";" in the file being included by
                   5985:        the ngx_http_geo_module were silently ignored.
                   5986: 
                   5987:     *) Feature: the ngx_http_stub_status_module.
                   5988: 
                   5989:     *) Bugfix: the unknown log format in the access_log directive caused the
                   5990:        segmentation fault.
                   5991: 
                   5992:     *) Feature: the new "document_root" parameter of the fastcgi_params
                   5993:        directive.
                   5994: 
                   5995:     *) Feature: the fastcgi_redirect_errors directive.
                   5996: 
                   5997:     *) Feature: the new "break" modifier of the "rewrite" directive allows
                   5998:        to stop the rewrite/location cycle and sets the current configuration
                   5999:        to the request.
                   6000: 
                   6001: 
                   6002: Changes with nginx 0.1.17                                        03 Feb 2005
                   6003: 
                   6004:     *) Change: the ngx_http_rewrite_module was rewritten from the scratch.
                   6005:        Now it is possible to redirect, to return the error codes, to check
                   6006:        the variables and referrers. The directives can be used inside
                   6007:        locations. The redirect directive was canceled.
                   6008: 
                   6009:     *) Feature: the ngx_http_geo_module.
                   6010: 
                   6011:     *) Feature: the proxy_set_x_var and fastcgi_set_var directives.
                   6012: 
                   6013:     *) Bugfix: the location configuration with "=" modifier may be used in
                   6014:        another location.
                   6015: 
                   6016:     *) Bugfix: the correct content type was set only for requests that use
                   6017:        small caps letters in extension.
                   6018: 
                   6019:     *) Bugfix: if the proxy_pass or fastcgi_pass directives were set in the
                   6020:        location, and access was denied, and the error was redirected to a
                   6021:        static page, then the segmentation fault occurred.
                   6022: 
                   6023:     *) Bugfix: if in a proxied "Location" header was a relative URL, then a
                   6024:        host name and a slash were added to them; the bug had appeared in
                   6025:        0.1.14.
                   6026: 
                   6027:     *) Bugfix: the system error message was not logged on Linux.
                   6028: 
                   6029: 
                   6030: Changes with nginx 0.1.16                                        25 Jan 2005
                   6031: 
                   6032:     *) Bugfix: if the response were transferred by chunks, then on the HEAD
                   6033:        request the final chunk was issued.
                   6034: 
                   6035:     *) Bugfix: the "Connection: keep-alive" header were issued, even if the
                   6036:        keepalive_timeout directive forbade the keep-alive use.
                   6037: 
                   6038:     *) Bugfix: the errors in the ngx_http_fastcgi_module caused the
                   6039:        segmentation faults.
                   6040: 
                   6041:     *) Bugfix: the compressed response encrypted by SSL may not transferred
                   6042:        complete.
                   6043: 
                   6044:     *) Bugfix: the TCP-specific TCP_NODELAY, TCP_NOPSUH, and TCP_CORK
                   6045:        options, are not used for the unix domain sockets.
                   6046: 
                   6047:     *) Feature: the rewrite directive supports the arguments rewriting.
                   6048: 
                   6049:     *) Bugfix: the response code 400 was returned for the POST request with
                   6050:        the "Content-Length: 0" header; the bug had appeared in 0.1.14.
                   6051: 
                   6052: 
                   6053: Changes with nginx 0.1.15                                        19 Jan 2005
                   6054: 
                   6055:     *) Bugfix: the error while the connecting to the FastCGI server caused
                   6056:        segmentation fault.
                   6057: 
                   6058:     *) Bugfix: the correct handling of the regular expression, that has
                   6059:        different number of the captures and substitutions.
                   6060: 
                   6061:     *) Feature: the location, that is passed to the FastCGI server, can be
                   6062:        regular expression.
                   6063: 
                   6064:     *) Bugfix: the FastCGI's parameter REQUEST_URI is now passed with the
                   6065:        arguments and in the original state.
                   6066: 
                   6067:     *) Bugfix: the ngx_http_rewrite_module module was required to be built
                   6068:        to use the regular expressions in locations.
                   6069: 
                   6070:     *) Bugfix: the directive "proxy_preserve_host on" adds port 80 to the
                   6071:        "Host" headers, if upstream listen on port 80; the bug had appeared
                   6072:        in 0.1.14.
                   6073: 
                   6074:     *) Bugfix: the same paths in autoconfiguration parameters
                   6075:        --http-client-body-temp-path=PATH and --http-proxy-temp-path=PATH, or
                   6076:        --http-client-body-temp-path=PATH and --http-fastcgi-temp-path=PATH
                   6077:        caused segmentation fault.
                   6078: 
                   6079: 
                   6080: Changes with nginx 0.1.14                                        18 Jan 2005
                   6081: 
                   6082:     *) Feature: the autoconfiguration directives:
                   6083:        --http-client-body-temp-path=PATH, --http-proxy-temp-path=PATH, and
                   6084:        --http-fastcgi-temp-path=PATH
                   6085: 
                   6086:     *) Change: the directory name for the temporary files with the client
                   6087:        request body is specified by directive client_body_temp_path, by
                   6088:        default it is <prefix>/client_body_temp.
                   6089: 
                   6090:     *) Feature: the ngx_http_fastcgi_module and the directives:
                   6091:        fastcgi_pass, fastcgi_root, fastcgi_index, fastcgi_params,
                   6092:        fastcgi_connect_timeout, fastcgi_send_timeout, fastcgi_read_timeout,
                   6093:        fastcgi_send_lowat, fastcgi_header_buffer_size, fastcgi_buffers,
                   6094:        fastcgi_busy_buffers_size, fastcgi_temp_path,
                   6095:        fastcgi_max_temp_file_size, fastcgi_temp_file_write_size,
                   6096:        fastcgi_next_upstream, and fastcgi_x_powered_by.
                   6097: 
                   6098:     *) Bugfix: the "[alert] zero size buf" error; the bug had appeared in
                   6099:        0.1.3.
                   6100: 
                   6101:     *) Change: the URI must be specified after the host name in the
                   6102:        proxy_pass directive.
                   6103: 
                   6104:     *) Change: the %3F symbol in the URI was considered as the argument
                   6105:        string start.
                   6106: 
                   6107:     *) Feature: the unix domain sockets support in the
                   6108:        ngx_http_proxy_module.
                   6109: 
                   6110:     *) Feature: the ssl_engine and ssl_ciphers directives.
                   6111:        Thanks to Sergey Skvortsov for SSL-accelerator.
                   6112: 
                   6113: 
                   6114: Changes with nginx 0.1.13                                        21 Dec 2004
                   6115: 
                   6116:     *) Feature: the server_names_hash and server_names_hash_threshold
                   6117:        directives.
                   6118: 
                   6119:     *) Bugfix: the *.domain.tld names in the "server_name" directive did not
                   6120:        work.
                   6121: 
                   6122:     *) Bugfix: the %request_length log parameter logged the incorrect
                   6123:        length.
                   6124: 
                   6125: 
                   6126: Changes with nginx 0.1.12                                        06 Dec 2004
                   6127: 
                   6128:     *) Feature: the %request_length log parameter.
                   6129: 
                   6130:     *) Bugfix: when using the /dev/poll, select and poll on the platforms,
                   6131:        where these methods may do the false reports, there may be the long
                   6132:        delay when the request was passed via the keep-alive connection. It
                   6133:        may be at least on Solaris when using the /dev/poll.
                   6134: 
                   6135:     *) Bugfix: the send_lowat directive is ignored on Linux because Linux
                   6136:        does not support the SO_SNDLOWAT option.
                   6137: 
                   6138: 
                   6139: Changes with nginx 0.1.11                                        02 Dec 2004
                   6140: 
                   6141:     *) Feature: the worker_priority directive.
                   6142: 
                   6143:     *) Change: both tcp_nopush and tcp_nodelay directives affect the
                   6144:        transferred response.
                   6145: 
                   6146:     *) Bugfix: nginx did not call initgroups().
                   6147:        Thanks to Andrew Sitnikov and Andrei Nigmatulin.
                   6148: 
                   6149:     *) Change: now the ngx_http_autoindex_module shows the file size in the
                   6150:        bytes.
                   6151: 
                   6152:     *) Bugfix: the ngx_http_autoindex_module returned the 500 error if the
                   6153:        broken symlink was in a directory.
                   6154: 
                   6155:     *) Bugfix: the files bigger than 4G could not be transferred using
                   6156:        sendfile.
                   6157: 
                   6158:     *) Bugfix: if the backend was resolved to several backends and there was
                   6159:        an error while the response waiting then process may got caught in an
                   6160:        endless loop.
                   6161: 
                   6162:     *) Bugfix: the worker process may exit with the "unknown cycle" message
                   6163:        when the /dev/poll method was used.
                   6164: 
                   6165:     *) Bugfix: "close() channel failed" errors.
                   6166: 
                   6167:     *) Bugfix: the autodetection of the "nobody" and "nogroup" groups.
                   6168: 
                   6169:     *) Bugfix: the send_lowat directive did not work on Linux.
                   6170: 
                   6171:     *) Bugfix: the segmentation fault occurred if there was no events
                   6172:        section in configuration.
                   6173: 
                   6174:     *) Bugfix: nginx could not be built on OpenBSD.
                   6175: 
                   6176:     *) Bugfix: the double slashes in "://" in the URI were converted to
                   6177:        ":/".
                   6178: 
                   6179: 
                   6180: Changes with nginx 0.1.10                                        26 Nov 2004
                   6181: 
                   6182:     *) Bugfix: if the request without arguments contains "//", "/./", "/../"
                   6183:        or "%XX" then the last character in the request line was lost; the
                   6184:        bug had appeared in 0.1.9.
                   6185: 
                   6186:     *) Bugfix: the fix in 0.1.9 for the files bigger than 2G on Linux did
                   6187:        not work.
                   6188: 
                   6189: 
                   6190: Changes with nginx 0.1.9                                         25 Nov 2004
                   6191: 
                   6192:     *) Bugfix: the proxied request was sent without arguments if the request
                   6193:        contains "//", "/./", "/../" or "%XX".
                   6194: 
                   6195:     *) Bugfix: the large compressed responses may be transferred not
                   6196:        completely.
                   6197: 
                   6198:     *) Bugfix: the files bigger than 2G was not transferred on Linux that
                   6199:        does not support sendfile64().
                   6200: 
                   6201:     *) Bugfix: while the build configuration on Linux the --with-poll_module
                   6202:        parameter was required; the bug had appeared in 0.1.8.
                   6203: 
                   6204: 
                   6205: Changes with nginx 0.1.8                                         20 Nov 2004
                   6206: 
                   6207:     *) Bugfix: in the ngx_http_autoindex_module if the long file names were
                   6208:        in the listing.
                   6209: 
                   6210:     *) Feature: the "^~" modifier in the location directive.
                   6211: 
                   6212:     *) Feature: the proxy_max_temp_file_size directive.
                   6213: 
                   6214: 
                   6215: Changes with nginx 0.1.7                                         12 Nov 2004
                   6216: 
                   6217:     *) Bugfix: on FreeBSD the segmentation fault may occur if the size of
                   6218:        the transferred file was changed; the bug had appeared in 0.1.5.
                   6219: 
                   6220: 
                   6221: Changes with nginx 0.1.6                                         11 Nov 2004
                   6222: 
                   6223:     *) Bugfix: some location directive combinations with the regular
                   6224:        expressions caused the wrong configuration choose.
                   6225: 
                   6226: 
                   6227: Changes with nginx 0.1.5                                         11 Nov 2004
                   6228: 
                   6229:     *) Bugfix: on Solaris and Linux there may be too many "recvmsg()
                   6230:        returned not enough data" alerts.
                   6231: 
                   6232:     *) Bugfix: there were the "writev() failed (22: Invalid argument)"
                   6233:        errors on Solaris in proxy mode without sendfile. On other platforms
                   6234:        that do not support sendfile at all the process got caught in an
                   6235:        endless loop.
                   6236: 
                   6237:     *) Bugfix: segmentation fault on Solaris in proxy mode and using
                   6238:        sendfile.
                   6239: 
                   6240:     *) Bugfix: segmentation fault on Solaris.
                   6241: 
                   6242:     *) Bugfix: on-line upgrade did not work on Linux.
                   6243: 
                   6244:     *) Bugfix: the ngx_http_autoindex_module module did not escape the
                   6245:        spaces, the quotes, and the percent signs in the directory listing.
                   6246: 
                   6247:     *) Change: the decrease of the copy operations.
                   6248: 
                   6249:     *) Feature: the userid_p3p directive.
                   6250: 
                   6251: 
                   6252: Changes with nginx 0.1.4                                         26 Oct 2004
                   6253: 
                   6254:     *) Bugfix: in the ngx_http_autoindex_module.
                   6255: 
                   6256: 
                   6257: Changes with nginx 0.1.3                                         25 Oct 2004
                   6258: 
                   6259:     *) Feature: the ngx_http_autoindex_module and the autoindex directive.
                   6260: 
                   6261:     *) Feature: the proxy_set_x_url directive.
                   6262: 
                   6263:     *) Bugfix: proxy module may get caught in an endless loop when sendfile
                   6264:        is not used.
                   6265: 
                   6266: 
                   6267: Changes with nginx 0.1.2                                         21 Oct 2004
                   6268: 
                   6269:     *) Feature: the --user=USER, --group=GROUP, and --with-ld-opt=OPTIONS
                   6270:        options in configure.
                   6271: 
                   6272:     *) Feature: the server_name directive supports *.domain.tld.
                   6273: 
                   6274:     *) Bugfix: the portability improvements.
                   6275: 
                   6276:     *) Bugfix: if configuration file was set in command line, the
                   6277:        reconfiguration was impossible; the bug had appeared in 0.1.1.
                   6278: 
                   6279:     *) Bugfix: proxy module may get caught in an endless loop when sendfile
                   6280:        is not used.
                   6281: 
                   6282:     *) Bugfix: with sendfile the response was not recoded according to the
                   6283:        charset module directives; the bug had appeared in 0.1.1.
                   6284: 
                   6285:     *) Bugfix: very seldom bug in the kqueue processing.
                   6286: 
                   6287:     *) Bugfix: the gzip module compressed the proxied responses that was
                   6288:        already compressed.
                   6289: 
                   6290: 
                   6291: Changes with nginx 0.1.1                                         11 Oct 2004
                   6292: 
                   6293:     *) Feature: the gzip_types directive.
                   6294: 
                   6295:     *) Feature: the tcp_nodelay directive.
                   6296: 
                   6297:     *) Feature: the send_lowat directive is working not only on OSes that
                   6298:        support kqueue NOTE_LOWAT, but also on OSes that support SO_SNDLOWAT.
                   6299: 
                   6300:     *) Feature: the setproctitle() emulation for Linux and Solaris.
                   6301: 
                   6302:     *) Bugfix: the "Location" header rewrite bug fixed while the proxying.
                   6303: 
                   6304:     *) Bugfix: the ngx_http_chunked_module module may get caught in an
                   6305:        endless loop.
                   6306: 
                   6307:     *) Bugfix: the /dev/poll module bugs fixed.
                   6308: 
                   6309:     *) Bugfix: the responses were corrupted when the temporary files were
                   6310:        used while the proxying.
                   6311: 
                   6312:     *) Bugfix: the unescaped requests were passed to the backend.
                   6313: 
                   6314:     *) Bugfix: while the build configuration on Linux 2.4 the
                   6315:        --with-poll_module parameter was required.
                   6316: 
                   6317: 
                   6318: Changes with nginx 0.1.0                                         04 Oct 2004
                   6319: 
                   6320:     *) The first public version.
                   6321: 

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