v3.4.3

Fast DDS v3.4.3 (EOL)

This is the last release for the branch 3.4.x, since it has reached EOL.

This patch release includes the following security fixes:

1. CVE-2026-22591
2. CVE-2026-45094
3. CVE-2026-45095
4. CVE-2026-45096
5. CVE-2025-63829
6. CVE-2025-65865
7. CVE-2026-45093
8. CVE-2026-45092
9. CVE-2026-45097

It also includes the following fixes:

1. Fix RTPSParticipantAttributes internal data races (#6387)
2. Fix some null-dereference errors (#6397, #6405)
3. Fix wrong update of default locators (#6279)
4. Make on_xxx_matched thread-safe (#6380)

This patch release includes the following improvements:

1. Update foonathan.net links (#6301)
2. Remove deprecated doxygen warnings (#6368)
3. Updates after v3.3.1 EOL (#6292)

This patch release includes the following CI improvements:

1. Run xtypes test cases in parallel (#6296)
2. Improve windows tests (#6375)

PRs in merged order:
#6296, #6301, #6375, #6368, #6387, #6397, #6405, #6279, #6292, #6380, #6430

v3.6.1

Fast DDS v3.6.1

This release includes the following fixes:

1. Apply sqlite3 patch to eliminate const issue (#6354)
2. Remove deprecated doxygen warnings (#6356)
3. Fix compilation warnings and errors in Ubuntu Focal (#6298)

PRs in merged order:

#6354, #6356, #6298, #6372

v3.6.0

Fast DDS v3.6.0

This release includes the following security fixes:

1. Fix CVE-2026-22591

This release includes the following improvements:

1. Update RELEASE_SUPPORT.md with 2.14.6 (#6313)
2. Add should_endpoints_match callback in DomainParticipant and RTPSParticipant (#6336)
3. Add context to type support operations (#6320)

This release includes the following fixes:

1. Change default python branch from 'main' to 'master' (#6325)
2. Fix ABI break in register_service_type (#6327)
3. Fix TinyXML2 library resolution in tests (#6329)

PRs in merged order:

#6313, #6325, #6327, #6329, #6337, #6336, #6320, #6347

v3.2.4

Fast DDS v3.2.4

This patch release includes the following security fixes:

• Fix CVE-2025-62599
• Fix CVE-2025-62600
• Fix CVE-2025-62601
• Fix CVE-2025-62602
• Fix CVE-2025-62603
• Fix CVE-2025-62799
• Fix CVE-2025-64098
• Fix CVE-2025-64438
• Fix CVE-2025-65016
• Fix CVE-2026-22590

This patch release includes the following fixes:

1. Fix usage of invalid iterator in dynamic types (#6232)
2. Fix DataReader history enforcement to respect max_samples_per_instance (#6284)
3. Fix wrong update of default locators (#6280)
4. Fix some build issues on non-tier 1 platforms (#6268, #6145)
5. Fix GAP messages are not sent when there is no Reader requesting the DATA (#6197)

This patch release includes the following improvements:

1. Protect DataReaderInstance alive_writers attribute (#6159)
2. Avoid casting GUID_t into InstanceHandle_t (#6156)
3. Replace logWarning with EPROSIMA_LOG_WARNING (#6180)
4. Improve some tests (#6177)
5. Improvements in message receiver (#6202)
6. Improvements on compute_key generated code (#6208)
7. Verify Safe DDS signature
8. Improve Open SSL includes (#6244)
9. Run xtypes test cases in parallel (#6297)
10. Protect PDPStatelessWriter attributes (#6153)
11. Allow to send empty payloads in dispose/unregister operations (#6237)
12. Fix links to external documentation (#6302)
13. Update to Fast CDR submodule (#6143, #6289)
14. Regenerate types with Fast DDS Gen 4.0.6 (#6326)

This release includes the following CI and release management updates:

1. Allow CI to run tests with manual dispatch (#6131)
2. Reduce disk usage in TSAN job (#6136)
3. Upgrade to macOS Sequoia (#6164)
4. Single line for ctest_args in Mac CI (#6189)
5. Free disk space in Ubuntu runners (#6211)
6. Upgrade Linters CI runner image to ubuntu-24.04 (#6251)

PRs in merge order:
#6131, #6136, #6143, #6159, #6156, #6164, #6180, #6177, #6189, #6202, #6208, #6211, #6232, #6244, #6251, #6297, #6197, #6289, #6268, #6302, #6153, #6280, #6145, #6237, #6284, #6326, #6328

v3.5.0

Fast DDS v3.5.0

This release includes the following improvements:

1. Update Qt version to 6.8.3 in CI (#6223)
2. Verify Safe DDS signature
3. Open RTPSParticipantImpl for extension (#6222)
4. Use new sample rejection value (#6233)
5. Make DomainParticipant::get_instance_handle return by value (#6149)
6. Discovery Server clients always behave as super clients (#6272)
7. Enhance filtering logic for virtual and external endpoints (#6290)
8. Refactor Secure Discovery Server (#6295)
9. Update foonathan.net links (#6264)
10. Apply uncrustify to all source files (#6286)
11. Remove unused keep_alive logic (#6317)
12. RPC refactor (#6308)
13. Bump version to 3.5.0 (#6262)
14. Extend DomainParticipant API to include return codes (#6314)
15. Regenerate types with Fast DDS Gen 4.3.0 (#6318)

This release includes the following fixes:

1. Fix compilation on PDPTests (#6226)
2. Force history QoS consistency and change resource limits default values (#6261)
3. Fix wrong update of default locators (#6273)
4. Fix ABI compliance (#6319)
5. Update CMake minimum required and Tier1 (#6274)

This release includes the following CI improvements:

1. Branchout 3.5.x (#6220)
2. Updates after v3.3.1 EOL (#6282)
3. Run xtypes test cases in parallel (#6294)
4. Update CMake minimum required and Tier1 (#6274)

PRs in merged order:

#6220, #6223, #6222, #6226, #6233, #6261, #6273, #6272, #6282, #6294, #6290, #6295, #6264, #6286, #6317, #6308, #6314, #6318, #6319, #6274

v2.14.6

Fast DDS v2.14.6

This patch release includes the following security fixes:

• Fix CVE-2025-62599
• Fix CVE-2025-62600
• Fix CVE-2025-62601
• Fix CVE-2025-62602
• Fix CVE-2025-62603
• Fix CVE-2025-62799
• Fix CVE-2025-64098
• Fix CVE-2025-64438
• Fix CVE-2025-65016
• Fix CVE-2026-22590

This patch release includes the following improvements:

• Allow to send empty payloads in dispose/unregister ops (#6238)
• Reset irrelevant sequence numbers interval in proxy readers (#6258)
• Improve Open SSL includes (#6245)
• Verify Safe DDS signature
• Replace logWarning with EPROSIMA_LOG_WARNING (#6182)
• Improvements on compute_key generated code (#6209)
• Improvements in message receiver (#6203)
• Improve some tests (#6178)
• Protect PDPStatelessWriter attributes (#6154)
• Avoid casting GUID_t into InstanceHandle_t (#6157)
• Protect DataReaderInstance alive_writers attribute (#6160)
• Avoid PROJECT_SOURCE_DIR and make_unique when building blackbox tests (#6146)
• Fix wrong namespace when indicating CDR version (#6139)
• Allow empty partition list to match against "*" (#6008)
• Apply Uncrustify to 2.14.x (#6119)
• Avoid sending duplicated ACKs in DataSharing (#6004)
• Send heartbeat when wait_for_all_acked is called (#6104)
• Handle maximum deadline misses case (#6097)
• Solve TCP disconnect while incomplete read deadlock (#6092)
• Remote writers considered volatile by default (#6088)
• Change non_blocking_send threshold to sendBufferSize (#6079)
• Regenerated types using fastddsgen 3.3.1 (#6064)
• Use binary search in find_change_nts (#6028)
• Support aliases in Content Filtered Topic (#6049)
• Update fallback branches to use environment variables (#6044)
• Add missing field to xsd (#5995)
• Avoid setting thread affinity of 0 in mac (#5971)
• Revert "Return sample notifying changes on instance state" (#5973)
• Regenerate types with Fast DDS Gen 3.3.2 (#6299)
• Update fastcdr submodule to point to v2.2.7 (#6305)

This patch release includes the following fixes:

• Release change while authentication fails (#6022)
• Fix DataReader history enforcement to respect max_samples_per_instance (#6285)
• Fix wrong update of default locators (#6281)
• Fix build in GCC 15 (#6269)
• Fix GAP messages are not sent when there is no Reader requesting the DATA (#6198)

This patch release includes the following CI improvements:

• Upgrade Linters CI runner image to ubuntu-24.04 (#6252)
• Free disk space in Ubuntu runners (#6212)
• Single line for ctest_args in Mac CI (#6190)
• Upgrade to macOS Sequoia (#6165)
• Reduce disk usage in TSAN job (#6137)
• Allow CI to run tests with manual dispatch (#6132)
• Split Mac CI build and testing phases (#6084)

PRs in merged order (first PR kept for backporting):

#5973, #5971, #5995, #6044, #6049, #6028, #6064, #6079, #6088, #6092, #6097, #6104, #6084, #6004, #6119, #6008, #6022, #6132, #6137, #6139, #6146, #6160, #6157, #6165, #6154, #6178, #6190, #6203, #6209, #6212, #6198, #6182, #6245, #6252, #6269, #6258, #6238, #6281, #6285, #6303, #6299, #6305

v3.4.2

Fast DDS v3.4.2

This patch release includes the following security fixes:

1. Fix CVE-2025-65016
2. Fix CVE-2026-22590

This patch release includes the following improvements:

1. Improve some tests (#6167)
2. Replace logWarning with EPROSIMA_LOG_WARNING in RTCPHeader.h (#6175)
3. Improvements in message receiver (#6184)
4. Improvements on compute_key generated code (#6183)
5. Add new StatefulWriterListener (#6195)
6. Remove out the responsibility for bandwidth limitation from RTPSMessageGroup (#6214)
7. Update RELEASE_SUPPORT.md after v2.6.11 release (#6219)
8. Updates on 3.4.x after branchout of 3.5.x (#6221)
9. Verify Safe DDS signature
10. Improve Open SSL includes (#6240, #6242)
11. Allow empty payloads in dispose/unregister operations (#6217, #6235)
12. Reset irrelevant sequence numbers interval in proxy readers (#6241, #6256)
13. Update fastcdr to 2.3.5 (#6283, #6288)
14. Bump version to 3.4.2 (#6287)

This patch release includes the following fixes:

1. Fix compilation errors against android-clang (#6174)
2. Fix GAP messages are not sent when there is no Reader requesting the DATA (#6181)
3. Fix handling of InstanceHandle use cases (#6194)
4. Fix usage of invalid interator in DynamicDataImpl::deserialize() (#6227, #6230)
5. Fix build in GCC 15 (#6263, #6266)
6. Account for notification sample in DataReaderHistory::get_first_untaken_info (#6276)
7. Fix DataReader history enforcement to respect max_samples_per_instance (#6228)

This patch release includes the following CI improvements:

1. Single line for ctest_args in Mac CI (#6186)
2. Free disk space in Ubuntu runners (#6192)
3. Upgrade Linters CI runner image to ubuntu-24.04 (#6248, #6249)

PRs in merged order:
#6174, #6167, #6175, #6186, #6181, #6184, #6183, #6195, #6192, #6194, #6214, #6219, #6221, #6227, #6230, #6240, #6242, #6248, #6249, #6217, #6235, #6263, #6266, #6241, #6256, #6276, #6228, #6283, #6288, #6287

v3.3.1

Fast DDS v3.3.1

This patch release includes the following security fixes:

1. CVE-2025-62599
2. CVE-2025-62600
3. CVE-2025-62601
4. CVE-2025-62602
5. CVE-2025-62603
6. CVE-2025-64098
7. CVE-2025-62799
8. CVE-2025-64438
9. CVE-2025-65016
10. CVE-2026-22590

This patch release includes the following improvements:

1. Avoid setting thread affinity of 0 in Mac (#5969)
2. Update Fast CDR version (#6040, #6067, #6111, #6142)
3. Improve signal handling in RPC example (#5991)
4. Change non_blocking_send threshold to sendBufferSize (#6077)
5. Avoid sending duplicated ACKs in DataSharing (#6002)
6. Use binary search in find_change_nts (#6026)
7. Guard gnu::optimize with defined(__GNUC__) (#6101)
8. Apply uncrustify (#6120, #6259)
9. Do not export discovery server as cmake target (#6126)
10. Send heartbeat when wait_for_all_acked is called (#6102)
11. Update RELEASE_SUPPORT with release 3.2.3 (#6150)
12. Protect DataReaderInstance alive_writers attribute (#6158)
13. Avoid casting GUID_t into InstanceHandle_t (#6155)
14. Support aliases in Content Filtered Topic (#6047)
15. Allow empty partition list to match against * (#6006)
16. Release change while authentication fails (#6020)
17. Improve latency tests (#6024)
18. Improvements in message receiver (#6201)
19. Improvements on compute_key generated code (#6207)
20. Protect PDPStatelessWriter attributes (#6152)
21. Verify Safe DDS signature
22. Improve Open SSL includes (#6243)
23. Regenerate types with Fast DDS Gen v4.1.1 (#6270)
24. Allow to send empty payloads in dispose/unregister operations (#6236)
25. Reset irrelevant sequence numbers interval in proxy readers (#6257)

This patch release includes the following fixes:

1. Fix socket buffer size handling (#5926)
2. Fix latency & throughput tests names (#5938)
3. Return sample notifying changes on instance state (#5955)
4. Fix doxygen documentation for iHandle2GUID (#5965)
5. Set different content filter signatures for each requester (#5984)
6. Fix doxygen to avoid errors in python bindings (#6036)
7. Fix topic argument in Discovery Server example (#6014)
8. Add missing field to xsd (#5993)
9. Fix duplicated transport when using specific XML with CLI (#6009)
10. Remote writers considered volatile by default (#6087)
11. Solve TCP disconnect while incomplete read deadlock (#6090)
12. Remove residual generated files (#6115)
13. Handle maximum deadline misses case (#6095)
14. Improve some tests (#6176)
15. Replace logWarning with EPROSIMA_LOG_WARNING in RTCPHeader.h (#6179)
16. Avoid PROJECT_SOURCE_DIR and make_unique when building blackbox tests (#6144)
17. Fix GAP messages are not sent when there is no Reader requesting the DATA (#6196)
18. Fix usage of invalid iterator in DynamicDataImpl::deserialize() (#6231)
19. Fix build in GCC 15 (#6267)

This patch release includes the following CI improvements:

1. Add --quiet to git submodule invocations (#5945)
2. Update fallback branches to use environment variables (#6042)
3. Split Mac CI build and testing phases (#6082)
4. Add missing IDL to code generator script (#6106)
5. Remove residual generated files (#6115)
6. Allow CI to run tests with manual dispatch (#6130)
7. Free disk space in CI runners (#6135, #6210)
8. Upgrade to macOS Sequoia (#6163)
9. Single line for ctest_args in Mac CI (#6188)
10. Upgrade Linters CI runner image to ubuntu-24.04 (#6250)

PRs in merged order:
#5926, #5938, #5941, #5945, #5955, #5965, #5969, #5984, #6042, #6040, #6036, #5991, #6014, #5993, #6067, #6009, #6082, #6077, #6087, #6090, #6002, #6026, #6101, #6106, #6111, #6115, #6120, #6126, #6130, #6135, #6102, #6150, #6158, #6155, #6047, #6006, #6020, #6024, #6163, #6095, #6176, #6179, #6144, #6188, #6142, #6201, #6207, #6152, #6210, #6196, #6231, #6243, #6250, #6259, #6270, #6236, #6257, #6267, #6275

v2.6.11

Fast DDS v2.6.11

This patch release includes the following security fixes:

1. CVE-2025-62599
2. CVE-2025-62600
3. CVE-2025-62601
4. CVE-2025-62602
5. CVE-2025-62603
6. CVE-2025-64098
7. CVE-2025-62799
8. CVE-2025-64438
9. CVE-2025-65016

This patch release includes the following improvements:

1. Verify Safe DDS signature
2. Improvements in message receiver (#6205)
3. Regenerate types with Fast DDS Gen 2.1.4 (#6218)
4. Upgrade to Fast CDR v1.0.29 (#6216)

This patch release includes the following CI improvements:

1. Add uncrustify to Github CI (#5888)
2. Remove deprecated windows 2019 from ci in favor of 2022 (#5949)
3. Upgrade to macOS Sequoia (#6166, #6191)

PRs in merged order:
#5888,#5949,#6166,#6191,#6205,#6216,#6218

v3.4.1

Fast DDS v3.4.1

This patch release includes the following security fixes:

1. CVE-2025-62599
2. CVE-2025-62600
3. CVE-2025-62601
4. CVE-2025-62602
5. CVE-2025-62603
6. CVE-2025-64098
7. CVE-2025-62799
8. CVE-2025-64438

This patch release includes the following improvements:

1. Send heartbeat when wait_for_all_acked is called (#6098)
2. Update fastcdr submodule (#6105, #6138)
3. Update RELEASE_SUPPORT with release 3.2.3 (#6141)
4. Apply uncrustify (#6122)

This patch release includes the following fixes:

1. Remove residual generated files (#6110)
2. Guard gnu::optimize with defined(__GNUC__) (#6080)
3. Making system libraries private in target_link_libraries (#6099)
4. Remove manually change of "/Zi" MSVC option (#6133)
5. Avoid PROJECT_SOURCE_DIR and make_unique when building blackbox tests (#6140)
6. Avoid casting GUID_t into InstanceHandle_t (#6148)
7. Fixed some data races (#6100, #6123)

This patch release includes the following CI improvements:

1. Allow CI to run tests with manual dispatch (#6127)
2. Reduce disk usage in TSAN job (#6129)
3. Upgrade to macOS Sequoia (#6070)

PRs in merged order:
#6080, #6099, #6098, #6105, #6110, #6122, #6127, #6133, #6129, #6138, #6140, #6141, #6100, #6148, #6123, #6070, #6170