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 iperf3 Release Notes  iperf3 Release Notes
 ====================  ====================
   
   iperf-3.15 2023-09-14
   ---------------------
   
   * Notable user-visible changes
   
     * Several bugs that could allow the iperf3 server to hang waiting
       for input on the control connection has been fixed. ESnet thanks
       Jorge Sancho Larraz from Canonical for reporting this issue. For
       more information, see:
       https://downloads.es.net/pub/iperf/esnet-secadv-2023-0002.txt.asc
   
     * A bug that caused garbled output with UDP tests on 32-bit hosts
       has been fixed (PR #1554, PR #1556). This bug was introduced in
       iperf-3.14.
   
     * A bug in counting UDP messages has been fixed (PR #1367, PR
       #1380).
   
   iperf-3.14 2023-07-07
   ---------------------
   
   * Notable user-visible changes
   
     * A memory allocation hazard was fixed (Issue #1542/PR #1543). For
       more information see:
       https://downloads.es.net/pub/iperf/esnet-secadv-2023-0001.txt.asc
   
     * JSON output was improved, such as print JSON numbers as signed (PR
       #1539, Issue #1435), the exit code when doing JSON output was
       fixed (PR #1523), and client_api was fixed so that it still
       returns an error code when JSON is enabled (Issue #1405).  Also,
       duplicate fields when using multiple streams was removed from the
       JSON output (#1492).
   
     * Prevent UDP packet count and operations overflow (PR #1536/Issue
       #1534).
   
     * Statistics are fixed when --omit is used (Issue #1489/PR #1498).
   
   * Developer-visible changes
   
     * CI builds and tests using GitHub actions have been added (PR
       #1519).
   
     * A fix for Android "unable to create a new stream error" was added
       (PR #1506).
   
     * Support for Voice Admit DSCP code point from RFC 5865 was added
       (PR #1490).
   
     * A fix for preventing a crash when RSA public key path doesn't
       exist was fixed (PR #1488/Issue #1471).
   
   iperf-3.13 2023-02-16
   ---------------------
   
   * Notable user-visible changes
   
     * fq-rate (PR #1461, Issue #1366), and bidirectional flag (Issue #1428,
       PR #1429) were added to the JSON output.
   
     * Added support for OpenBSD including cleaning up endian handling (PR #1396)
       and support for TCP_INFO on systems where it was implemented (PR #1397).
   
     * Fixed bug in how TOS is set in mapped v4 (PR #1427).
   
     * Corrected documentation, such as updating binary download links and text
       (Issue #1459), updating version on iperf3 websites, and fixing an
       incorrect error message (Issue #1441).
   
     * Fixed crash on rcv-timeout with JSON logfile (#1463, #1460, issue #1360,
       PR #1369).
   
     * Fixed a bug that prevented TOS/DSCP from getting set correctly for reverse
       tests (PR #1427, Issue #638).
   
   * Developer-visible changes
   
     * Getter and setter are now available for bind_dev (PR #1419).
   
     * Added missing getter for bidirectional tests (PR #1453).
   
     * Added minor changes to clean up .gitignore and error messages (#1408).
   
     * Made sure configure scripts are runnable with /bin/sh (PR #1398).
   
     * Cleaned up RPM spec, such as adding missing RPM build dependencies, dropping
       EL5 and removing outdated %changelog (PR #1401) to make.
   
     * Added a fix for a resource leak bug in function iperf_create_pidfile(#1443).
   
   
   iperf-3.12 2022-09-30
   ---------------------
   
   * Notable user-visible changes
   
     * cJSON has been updated to version 1.7.15 (#1383).
   
     * The --bind <host>%<dev> option syntax now works properly (#1360 /
       #1371).
   
     * A server-side file descriptor leak with the --logfile option has
       been fixed (#1369 / #1360 / #1369 / #1389 / #1393).
   
     * A bug that caused some large values from TCP_INFO to be misprinted
       as negative numbers has been fixed (#1372).
   
     * Using the -k or -n flags with --reverse no longer leak into future
       tests (#1363 / #1364).
   
     * There are now various debug level options available with the
       --debug option. These can be used to adjust the amount of
       debugging output (#1327).
   
     * A new --snd-timeout option has been added to set a termination
       timeout for idle TCP connections (#1215 / #1282).
   
     * iperf3 is slightly more robust to out-of-order packets during UDP
       connection setup in --reverse mode (#914 / #1123 / #1182 / #1212 /
       #1260).
   
     * iperf3 will now use different ports for each direction when the
       --cport and --bdir options are set (#1249 / #1259).
   
     * The iperf3 server will now exit if it can't open its log file
       (#1225 / #1251).
   
     * Various help message and output fixes have been made (#1299 /
       #1330 / #1345 / #1350).
   
     * Various compiler warnings have been fixed (#1211 / #1316).
   
   * Developer-visible changes
   
     * Operation of bootstrap.sh has been fixed and simplified (#1335 /
       #1325).
       
     * Flow label support / compatibility under Linux has been improved
       (#1310).
       
     * Various minor memory leaks have been fixed (#1332 / #1333).
   
     * A getter/setter has been added for the bind_port parameter
       (--cport option). (#1303, #1305)
   
     * Various internal documentation improvements (#1265 / #1285 / #1304).
   
   iperf-3.11 2022-01-31
   ---------------------
   
   * Notable user-visible changes
   
     * Update links to Discussions in documentation
   
     * Fix DSCP so that TOS = DSCP * 4 (#1162)
   
     * Fix --bind-dev for TCP streams (#1153)
   
     * Fix interface specification so doesn't overlap with IPv6 link-local addresses for -c and -B (#1157, #1180)
   
     * Add get/set test_unit_format function declaration to iperf_api.h
   
     * Auto adjustment of test-end condition for file transfers (-F), if no end condition is set, it will automatically adjust it to file size in bytes
   
     * Exit if idle time expires waiting for a connection in one-off mode (#1187, #1197)
   
     * Support zerocopy by reverse mode (#1204)
   
     * Update help and manpage text for #1157, support bind device
   
     * Consistently print target_bandwidth in JSON start section (#1177)
   
     * Test bitrate added to JSON output (#1168)
   
     * Remove fsync call after every write to receiving --file (#1176, #1159)
   
     * Update documentation for -w (#1175)
   
     * Fix for #952, different JSON object names for bidir reverse channel
   
   iperf-3.10.1 2021-06-03
   -----------------------
   
   * Notable user-visible changes
   
     * Fixed a problem with autoconf scripts that made builds fail in
       some environments (#1154 / #1155).
   
   * Developer-visible changes
   
     * GNU autoconf 2.71 or newer is now required to regenerate iperf3's
       configure scripts.
   
   iperf 3.10 2021-05-26
   ---------------------
   
   * Notable user-visible changes
   
     * Fix a bug where some --reverse tests didn't terminate (#982 /
       #1054).
   
     * Responsiveness of control connections is slightly improved (#1045
       / #1046 / #1063).
   
     * The allowable clock skew when doing authentication between client
       and server is now configurable with the new --time-skew-threshold
       (#1065 / #1070).
   
     * Bitrate throttling using the -b option now works when a burst size
       is specified (#1090).
   
     * A bug with calculating CPU utilization has been fixed (#1076 /
       #1077).
   
     * A --bind-dev option to support binding sockets to a given network
       interface has been added to make iperf3 work better with
       multi-homed machines and/or VRFs (#817 / #1089 / #1097).
   
     * --pidfile now works with --client mode (#1110).
   
     * The server is now less likely to get stuck due to network errors
       (#1101, #1125), controlled by the new --rcv-timeout option.
   
     * Fixed a few bugs in termination conditions for byte or
       block-limited tests (#1113, #1114, #1115).
   
     * Added tcp_info.snd_wnd to JSON output (#1148).
   
     * Some bugs with garbled JSON output have been fixed (#1086, #1118,
       #1143 / #1146).
   
     * Support for setting the IPv4 don't-fragment (DF) bit has been
       added with the new --dont-fragment option (#1119).
   
     * A failure with not being able to read the congestion control
       algorithm under WSL1 has been fixed (#1061 / #1126).
   
     * Error handling and error messages now make more sense in cases
       where sockets were not successfully opened (#1129 / #1132 /
       #1136, #1135 / #1138, #1128 / #1139).
   
     * Some buffer overflow hazards were fixed (#1134).
   
   * Notable developer-visible changes
   
     * It is now possible to use the API to set/get the congestion
       control algorithm (#1036 / #1112).
   
   
 iperf 3.9 2020-08-17  iperf 3.9 2020-08-17
 --------------------  --------------------
   
Line 297  iperf 3.2 2017-06-26 Line 547  iperf 3.2 2017-06-26
     is primarily a cosmetic change to prevent these fairly meaningless      is primarily a cosmetic change to prevent these fairly meaningless
     intervals from showing up in the output (#278).      intervals from showing up in the output (#278).
   
  * Compatiblity note: Users running iperf3 3.2 or newer from the  * Compatibility note: Users running iperf3 3.2 or newer from the
     bwctl utility will need to obtain version 1.6.3 or newer of bwctl.      bwctl utility will need to obtain version 1.6.3 or newer of bwctl.
     Note that bwctl, a component of the perfSONAR toolkit, has been      Note that bwctl, a component of the perfSONAR toolkit, has been
     deprecated in favor of pScheduler since the release of perfSONAR      deprecated in favor of pScheduler since the release of perfSONAR
Line 789  iperf 3.0b4 2010-08-02 Line 1039  iperf 3.0b4 2010-08-02
   * Setting TCP window size (-w) is now supported    * Setting TCP window size (-w) is now supported
   * Updates to iperf_error    * Updates to iperf_error
       * Added new errors        * Added new errors
      * Should generate more relavent messages      * Should generate more relevant messages
   * Stream list now managed by queue.h macros    * Stream list now managed by queue.h macros
   * Test structures are now kept intact after a test is run (for API users)    * Test structures are now kept intact after a test is run (for API users)
   * Improved interval timer granularity    * Improved interval timer granularity
Line 802  iperf 3.0b3 2010-07-23 Line 1052  iperf 3.0b3 2010-07-23
   * Better error handling    * Better error handling
       * All errors now handled with iperf_error()        * All errors now handled with iperf_error()
       * All functions that can return errors return NULL or -1 on error and set i_errno appropriately        * All functions that can return errors return NULL or -1 on error and set i_errno appropriately
  * Iperf API intruduced  * Iperf API introduced
       * Support for adding new protocols        * Support for adding new protocols
       * Added support for callback functions        * Added support for callback functions
           * on_connect - executes after a connection is made to the server            * on_connect - executes after a connection is made to the server
Removed from v.1.1  
changed lines
  Added in v.1.1.1.2

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