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  • 2a11a824ef release(mistralai): 1.1.5 (#38038) langchain-mistralai==1.1.5 Mason Daugherty 2026-06-10 17:48:09 -04:00
  • e989c869a4 release(anthropic): 1.4.5 (#38036) langchain-anthropic==1.4.5 Mason Daugherty 2026-06-10 17:38:01 -04:00
  • 1aa17046de release(langchain-classic): 1.0.8 (#38033) langchain-classic==1.0.8 Mason Daugherty 2026-06-10 17:25:50 -04:00
  • 8ac91e3f5f hotfix(core): bump lockfile(s) (#38032) langchain-core==1.4.4 Mason Daugherty 2026-06-10 17:05:23 -04:00
  • 2e832c23d4 release(core): 1.4.4 (#38031) Mason Daugherty 2026-06-10 17:02:02 -04:00
  • f89f4c5afe fix(core): support content block tokens in callbacks (#34739) Mason Daugherty 2026-06-10 16:59:08 -04:00
  • 720dfd3b09 chore(core): improve typing of Runnable __or__ (#34530) Christophe Bornet 2026-06-10 22:16:03 +02:00
  • a063ec26dd chore(core): fix some any generics (#34545) Christophe Bornet 2026-06-10 21:32:14 +02:00
  • 3eee4002d9 refactor(langchain): refactor test_create_agent_tool_validation (#34443) Christophe Bornet 2026-06-10 20:42:46 +02:00
  • 3d3a4c27cc release(langchain): 1.3.7 (#38024) langchain==1.3.7 Mason Daugherty 2026-06-10 14:17:49 -04:00
  • 7ffe092657 style(langchain): add ruff rules ARG (#34435) Christophe Bornet 2026-06-10 20:12:38 +02:00
  • 92ee772761 feat(langchain): add ProviderToolSearchMiddleware (#37969) Alexander Olsen 2026-06-10 14:03:28 -04:00
  • 23ce677870 chore(langchain): activate mypy warn_return_any (#34249) Christophe Bornet 2026-06-10 19:53:06 +02:00
  • 2b4735712c chore(model-profiles): refresh model profile data (#38012) langchain-model-profile-bot[bot] 2026-06-10 10:57:23 -04:00
  • bee470cc29 ci(infra): attach release artifacts from package dist directory (#38010) Mason Daugherty 2026-06-10 00:22:42 -04:00
  • 64ee4d8154 release(groq): 1.1.3 (#38009) langchain-groq==1.1.3 Mason Daugherty 2026-06-10 00:12:05 -04:00
  • b9fb3da891 ci(model-profiles): skip profile refresh workflow on forks (#38008) Mason Daugherty 2026-06-10 00:08:36 -04:00
  • 6fde3f06a3 docs(infra): clarify PR description expectations (#38007) Mason Daugherty 2026-06-09 23:05:15 -04:00
  • 8bc96308d0 fix(core): accept sequence tool error content (#38005) Mason Daugherty 2026-06-09 22:35:33 -04:00
  • 0f1b291f42 fix(core): type structured tool error handler output (#38003) Mason Daugherty 2026-06-09 21:18:19 -04:00
  • 61e91cb844 fix(core): type structured tool error handler output mdrxy/core/type-struct-tool-err Mason Daugherty 2026-06-09 21:16:19 -04:00
  • 77bbf8ba39 test(langchain): mark legacy trigger view for 2.0 removal (#38002) Mason Daugherty 2026-06-09 21:15:36 -04:00
  • e16386d3b2 release(langchain): 1.3.6 (#38001) langchain==1.3.6 Mason Daugherty 2026-06-09 20:50:17 -04:00
  • 8c5b36c851 fix(langchain): preserve summarization trigger compatibility (#38000) Mason Daugherty 2026-06-09 20:49:15 -04:00
  • 90b2f94583 release(langchain): 1.3.5 (#37998) langchain==1.3.5 Mason Daugherty 2026-06-09 19:54:27 -04:00
  • 05fe08201c feat(langchain): port AND-capable trigger conditions to SummarizationMiddleware (#34576) James 2026-06-10 05:00:39 +05:30
  • ac18ef5871 docs(core): document multimodal handling in get_buffer_string (#37994) Mason Daugherty 2026-06-09 17:28:44 -04:00
  • 53f2ad18a0 release(perplexity): 1.4.0 (#37993) langchain-perplexity==1.4.0 Mason Daugherty 2026-06-09 17:18:28 -04:00
  • de9502525a feat(perplexity): bind_tools and Responses-API tool round-trip (#37934) rbuchmayer-pplx 2026-06-09 14:14:50 -07:00
  • fac194b34f ci(infra): restore release validation coverage (#37992) Mason Daugherty 2026-06-09 16:55:00 -04:00
  • c0103c3d2c hotfix(openai): min core dep (#37990) langchain-openai==1.3.0 Mason Daugherty 2026-06-09 16:32:08 -04:00
  • c15cfe21b6 release(core): 1.4.3 (#37991) langchain-core==1.4.3 Mason Daugherty 2026-06-09 16:27:57 -04:00
  • c7d01d5270 release(openai): 1.3.0 (#37989) Mason Daugherty 2026-06-09 16:15:29 -04:00
  • 0f45b2c285 feat(openai): support apply_patch built-in tool (#37157) Nidhi Rajani 2026-06-09 16:13:37 -04:00
  • 7e9c916c7e chore(model-profiles): refresh model profile data (#37973) langchain-model-profile-bot[bot] 2026-06-09 09:59:24 -04:00
  • e096992984 release(core): 1.4.2 (#37968) langchain-core==1.4.2 Mason Daugherty 2026-06-08 14:16:11 -04:00
  • 74c23741b0 feat(core): deprecate problematic dict() method (#31685) Christophe Bornet 2026-06-08 20:11:05 +02:00
  • f9f11527f6 fix(standard-tests): serialize BytesIO bodies in VCR cassettes (#37963) Mason Daugherty 2026-06-08 11:17:12 -04:00
  • 4bd3b6ab64 chore(model-profiles): refresh model profile data (#37958) langchain-model-profile-bot[bot] 2026-06-08 10:09:26 -04:00
  • 8fed1dd641 chore: bump pyarrow from 21.0.0 to 23.0.1 in /libs/langchain_v1 (#37930) dependabot[bot] 2026-06-07 20:20:00 +00:00
  • 9fa4d7b6a1 chore(model-profiles): refresh model profile data (#37936) langchain-model-profile-bot[bot] 2026-06-07 16:16:29 -04:00
  • ad8c0fc4cc chore: bump pyarrow from 22.0.0 to 23.0.1 in /libs/partners/nomic (#37931) dependabot[bot] 2026-06-07 13:15:04 -07:00
  • 2ef987bf7d chore: bump pyarrow from 21.0.0 to 23.0.1 in /libs/langchain (#37929) dependabot[bot] 2026-06-07 13:14:58 -07:00
  • dfafaa9808 feat(agents): Option B — _BackendProtocol in langchain, backend on AgentRuntime sr/agent-runtime-option-b Sydney Runkle 2026-06-05 16:48:58 -04:00
  • 782421840e revert: remove backend from create_agent and AgentRuntime sr/agent-runtime Sydney Runkle 2026-06-05 16:30:43 -04:00
  • cdafe607af release(perplexity): 1.3.2 (#37925) langchain-perplexity==1.3.2 Mason Daugherty 2026-06-05 15:18:01 -04:00
  • 1be54cc0e1 fix(perplexity): serialize ToolMessage and AIMessage.tool_calls (#37911) rbuchmayer-pplx 2026-06-05 12:14:42 -07:00
  • 35be8df935 refactor(agents): accumulate _build_runtime, add backend to create_agent, slim ModelRequest Sydney Runkle 2026-06-05 15:07:19 -04:00
  • 1d09011b1d ci(infra): gate PyPI publish on prior-partner tests (#37923) Mason Daugherty 2026-06-05 11:01:12 -04:00
  • a401351e12 release(core): 1.4.1 (#37922) langchain-core==1.4.1 Mason Daugherty 2026-06-05 10:49:33 -04:00
  • 053c368ba4 fix(core): remove Bedrock prevalidation from load (#37909) Mason Daugherty 2026-06-05 10:46:57 -04:00
  • 0993edba86 chore(model-profiles): refresh model profile data (#37916) langchain-model-profile-bot[bot] 2026-06-05 10:37:10 -04:00
  • 6f7c8f5445 chore: bump starlette from 0.49.1 to 1.0.1 in /libs/langchain (#37899) dependabot[bot] 2026-06-04 15:52:20 -04:00
  • 586bcd46a1 docs(core): expand and link ModelProfile docstrings (#37904) Mason Daugherty 2026-06-04 15:43:22 -04:00
  • 9eab5237cc chore: bump requests from 2.34.0 to 2.34.2 in /libs/partners/xai (#37903) dependabot[bot] 2026-06-04 14:30:03 -04:00
  • be2e8f70bc ci(infra): add exclude input to skip libs in scheduled integration tests (#37902) Mason Daugherty 2026-06-04 13:55:02 -04:00
  • 3b999176c8 test(langchain,partners): disable pytest-benchmark under xdist to silence PytestBenchmarkWarning (#37901) Mason Daugherty 2026-06-04 13:25:26 -04:00
  • 34af59c1a6 fix(partners): cap aiohttp below 3.14 for vcrpy compat (#37898) Mason Daugherty 2026-06-04 10:44:21 -04:00
  • 414d7b8e94 chore(model-profiles): refresh model profile data (#37895) langchain-model-profile-bot[bot] 2026-06-04 10:31:52 -04:00
  • bae485bd5e chore: bump dependencies (#37892) John Kennedy 2026-06-03 20:29:57 -07:00
  • bd388d0ced chore: hold back mypy security/threat-model-v1-core John Kennedy 2026-06-03 20:09:19 -07:00
  • 1a2dcdeee9 chore: bump aiohttp from 3.13.4 to 3.14.0 in /libs/langchain_v1 (#37888) dependabot[bot] 2026-06-04 03:05:18 +00:00
  • dca3138e59 chore: bump aiohttp from 3.13.5 to 3.14.0 in /libs/partners/xai (#37887) dependabot[bot] 2026-06-03 20:00:02 -07:00
  • e9f4182988 chore: bump aiohttp from 3.13.4 to 3.14.0 in /libs/langchain (#37889) dependabot[bot] 2026-06-03 20:00:00 -07:00
  • a7b53c9b77 chore: bump langsmith from 0.8.5 to 0.8.9 in /libs/partners/xai (#37886) dependabot[bot] 2026-06-03 19:59:51 -07:00
  • efb0a4589b chore: bump aiohttp from 3.13.5 to 3.14.0 in /libs/partners/fireworks (#37882) dependabot[bot] 2026-06-03 19:11:09 -04:00
  • f717342a86 chore: bump langsmith from 0.8.7 to 0.8.9 in /libs/partners/fireworks (#37883) dependabot[bot] 2026-06-03 19:11:03 -04:00
  • d55c08bc72 chore: bump langsmith from 0.8.7 to 0.8.9 in /libs/partners/chroma (#37884) dependabot[bot] 2026-06-03 19:11:00 -04:00
  • 8fc277a4f4 chore: bump aiohttp from 3.13.4 to 3.14.0 in /libs/partners/huggingface (#37885) dependabot[bot] 2026-06-03 19:10:54 -04:00
  • 86be220e7d docs(infra): document uv-based Python environment setup (#37881) Mason Daugherty 2026-06-03 16:45:58 -04:00
  • 9fe6113e00 refactor(agents): use dc_fields(Runtime) in from_runtime instead of hardcoding inherited fields Sydney Runkle 2026-06-03 15:01:00 -04:00
  • 0889a1ef7d feat(agents): expand AgentRuntime with all ModelRequest fields; add ModelRequest.from_runtime Sydney Runkle 2026-06-03 13:49:23 -04:00
  • d50e54fd9b refactor(agents): AgentRuntime inherits from Runtime instead of duplicating fields Sydney Runkle 2026-06-03 13:38:41 -04:00
  • 3b458bfb4d feat(agents): add AgentRuntime fields and _build_runtime hook for middleware enrichment Sydney Runkle 2026-06-03 13:26:37 -04:00
  • 06ab861ace chore(model-profiles): refresh model profile data (#37870) langchain-deepseek==1.1.0 langchain-model-profile-bot[bot] 2026-06-03 10:41:16 -04:00
  • eb2dabb8b7 release(langchain): 1.3.4 (#37861) langchain==1.3.4 Mason Daugherty 2026-06-02 16:02:36 -04:00
  • 17d1c274c4 fix(langchain): improve HITL rejection guidance (#37859) open-swe[bot] 2026-06-02 15:59:50 -04:00
  • 14b1a243e5 release(langchain): 1.3.3 (#37843) langchain==1.3.3 Nick Hollon 2026-06-02 14:17:53 -04:00
  • eb1f731aee chore(langchain): bump langgraph to 1.2.4 (#37857) Nick Hollon 2026-06-02 13:36:35 -04:00
  • 06e3c2a2af chore(langchain): loosen langgraph dep range (#37855) Mason Daugherty 2026-06-02 11:36:37 -04:00
  • 44545a0ffc chore: bump aws-actions/configure-aws-credentials from 6.1.1 to 6.2.0 in the minor-and-patch group (#37846) dependabot[bot] 2026-06-02 11:21:26 -04:00
  • 7a74eeb33c chore(model-profiles): refresh model profile data (#37852) langchain-model-profile-bot[bot] 2026-06-02 11:21:05 -04:00
  • dfca7f4424 feat(langchain): project subagent runs onto typed run.subagents channel (#37739) Nick Hollon 2026-06-01 16:28:09 -04:00
  • 36be77b0f1 feat(langchain): add interrupt_mode and when predicate to HumanInTheLoopMiddleware (#37579) Sydney Runkle 2026-06-01 16:05:35 -04:00
  • bc5f1517cf chore(model-profiles): refresh model profile data (#37802) langchain-model-profile-bot[bot] 2026-06-01 09:19:06 -04:00
  • 22ebaf95f9 chore(deps): bump uv to 0.11.17 (#37824) github-actions[bot] 2026-06-01 09:18:48 -04:00
  • a79298a791 chore(model-profiles): refresh model profile data (#37791) langchain-model-profile-bot[bot] 2026-05-30 20:17:09 -04:00
  • 4a7476093d chore: bump chromadb from 1.5.5 to 1.5.9 in /libs/partners/chroma (#37779) dependabot[bot] 2026-05-29 18:20:43 -04:00
  • 7336690902 chore: bump langsmith from 0.8.3 to 0.8.7 in /libs/partners/chroma (#37780) dependabot[bot] 2026-05-29 18:20:35 -04:00
  • 66ba4b7592 chore: bump langsmith from 0.8.0 to 0.8.7 in /libs/partners/fireworks (#37781) dependabot[bot] 2026-05-29 18:20:26 -04:00
  • 7d6a78a036 chore: bump requests from 2.34.0 to 2.34.2 in /libs/partners/fireworks (#37782) dependabot[bot] 2026-05-29 18:20:17 -04:00
  • b8c02e4389 chore(infra): note branch conventions in AGENTS.md (#37776) Mason Daugherty 2026-05-29 16:12:32 -04:00
  • 3fdd5b6caa fix(3e5ce175-02e3-4760-ad3e-30c3709b5433): surface ChatGroq forced tool_choice noncompliance as ToolChoiceNotHonoredError issues-agent/98427fe0-1550-4715-a5b8-317b3c4b9083 issues-agent 2026-05-29 17:57:56 +00:00
  • 3893b9e344 chore(model-profiles): refresh model profile data (#37771) langchain-model-profile-bot[bot] 2026-05-29 12:50:26 -04:00
  • bd1017a617 Merge branch 'master' into bagatur/anthropic-usage-tier-geo bagatur/anthropic-usage-tier-geo Mason Daugherty 2026-05-28 17:26:27 -04:00
  • e0ace8227c fix(anthropic, openai): never close shared/cached httpx pools on aclose() feat/chat-model-aclose Bagatur 2026-05-28 16:47:23 -04:00
  • d9d4691cc1 fix(anthropic): encode inference_geo as a key prefix in token details Bagatur Askaryan 2026-05-28 16:47:01 -04:00
  • 4493b2cce1 ci(anthropic): check version consistency in pre-commit (#37758) Mason Daugherty 2026-05-28 16:41:53 -04:00
  • 133887180e release(anthropic): 1.4.4 (#37757) langchain-anthropic==1.4.4 Mason Daugherty 2026-05-28 16:17:11 -04:00
  • 1a5403d848 fix(anthropic): normalize cross-provider tool-call IDs (#37756) Mason Daugherty 2026-05-28 16:13:57 -04:00