langchain-ai/langchain
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  • 3e459beac1 ci: use app token for external PR label to trigger downstream workflows (#35710) Mason Daugherty 2026-03-09 21:47:17 -04:00
  • fcca6e2dc4 fix(openai): bump min core version (#35705) langchain-openai==1.1.11 ccurme 2026-03-09 18:52:13 -04:00
  • 6b25caf1ae release(core): 1.2.18 (#35704) langchain-core==1.2.18 ccurme 2026-03-09 16:36:50 -04:00
  • 637145012d release(openai): 1.1.11 (#35703) ccurme 2026-03-09 16:22:23 -04:00
  • ee64597c1b ci: auto-reopen external PRs after issue link requirement is satisfied (#35699) Mason Daugherty 2026-03-09 15:28:50 -04:00
  • 1a39508469 ci: update PR template (#35698) Mason Daugherty 2026-03-09 13:17:22 -04:00
  • 5b1b37e9f2 ci: auto-close external PRs failing issue-link check (#35697) Mason Daugherty 2026-03-09 13:10:23 -04:00
  • de5d68c3fb ci: require PR author is assigned to linked issue (#35692) Mason Daugherty 2026-03-09 12:15:11 -04:00
  • 225bb5b253 ci(infra): require issue link for external PRs (#35690) Mason Daugherty 2026-03-09 11:12:33 -04:00
  • 360e0165ab ci: add contributor tier labels, PR size labels, and backfill job (#35687) Mason Daugherty 2026-03-09 10:31:04 -04:00
  • 527fc02980 chore(model-profiles): refresh model profile data (#35681) langchain-model-profile-bot[bot] 2026-03-09 10:00:36 -04:00
  • 3af0bc0141 fix(openai): update responses API model detection for pro and codex models (#35594) Mohammad Mohtashim 2026-03-09 18:20:20 +05:00
  • f838c78788 fix(core): fix double backticks in deprecation docstring for alternative_import (#35658) Ethan T. 2026-03-09 03:36:04 +08:00
  • b21c0a8062 fix(core): preserve default_factory when generating tool call schema (#35550) Mohammad Mohtashim 2026-03-09 00:34:21 +05:00
  • e015fb2267 chore(model-profiles): refresh model profile data (#35646) langchain-model-profile-bot[bot] 2026-03-08 15:24:29 -04:00
  • 46fdade7e6 fix(langchain): normalize custom detector output to prevent KeyError in hash/mask strategies (#35651) Giulio Leone 2026-03-08 20:07:36 +01:00
  • f11a105023 fix(anthropic): move _make_message_chunk_from_anthropic_event to instance method (#35670) ccurme 2026-03-08 14:52:07 -04:00
  • fbfe4b812d feat(openai): support tool search (#35582) ccurme 2026-03-08 08:53:13 -04:00
  • 532b014f5c chore: add language policy (#35639) Mason Daugherty 2026-03-07 23:53:21 -05:00
  • 27651d95d7 chore: link to contributing in libs/ (#35637) Mason Daugherty 2026-03-07 19:36:07 -05:00
  • 29134dc82d chore: bump langgraph from 1.0.8 to 1.0.10rc1 in /libs/partners/openai (#35612) dependabot[bot] 2026-03-07 00:20:12 +00:00
  • bf3dca1fa6 chore: bump langgraph from 1.0.8 to 1.0.10rc1 in /libs/partners/anthropic (#35614) dependabot[bot] 2026-03-07 00:12:49 +00:00
  • 576ee9d409 chore: bump langgraph from 1.0.8 to 1.0.10rc1 in /libs/partners/huggingface (#35613) dependabot[bot] 2026-03-06 16:12:14 -08:00
  • 5e4a4cd5f8 chore: bump langgraph from 1.0.8 to 1.0.10rc1 in /libs/model-profiles (#35611) dependabot[bot] 2026-03-06 16:11:41 -08:00
  • 752cf2611f chore: bump the minor-and-patch group across 3 directories with 7 updates (#35605) dependabot[bot] 2026-03-06 16:05:45 -08:00
  • 6b44ba4752 chore: bump types-pytz from 2025.2.0.20251108 to 2026.1.1.20260304 in /libs/langchain (#35592) dependabot[bot] 2026-03-06 16:05:26 -08:00
  • 20f620ec54 chore: bump packaging from 24.2 to 26.0 in /libs/langchain (#35591) dependabot[bot] 2026-03-06 16:05:16 -08:00
  • 4fe869f1c3 fix(langchain): bump minimum langchain-core to 0.3.73 (#35608) langchain==0.3.28 v0.3 Eugene Yurtsev 2026-03-06 17:38:05 -05:00
  • df7bf98196 release(langchain): 0.3.28 release-langchain-0.3.28 Eugene Yurtsev 2026-03-06 16:35:09 -05:00
  • 8d9ecb18a1 release(langchain): 0.3.28 (#35607) Eugene Yurtsev 2026-03-06 16:52:45 -05:00
  • b0add1f989 fix(langchain): backport patch ReDoS vulnerability in MRKL and ReAct action regex (CVE-2024-58340) (#35603) Eugene Yurtsev 2026-03-06 16:22:23 -05:00
  • 409c20ad72 release(langchain): bump langchain-classic to 1.0.2 (#35601) langchain-classic==1.0.2 Eugene Yurtsev 2026-03-06 15:16:03 -05:00
  • 0bc831495c fix(langchain-classic): patch ReDoS vulnerability in MRKL and ReAct action regex (CVE-2024-58340) (#35598) Eugene Yurtsev 2026-03-06 14:25:08 -05:00
  • 568e3107da x eugene/fix_linting_errors Eugene Yurtsev 2026-03-06 14:20:43 -05:00
  • f68e25c41d fix(langchain): suppress mypy errors in langchain_classic for deprecated/removed openai APIs and fallback imports Eugene Yurtsev 2026-03-06 14:17:16 -05:00
  • 3241d6429f chore(model-profiles): refresh model profile data (#35593) langchain-model-profile-bot[bot] 2026-03-06 10:14:14 -05:00
  • 86aaa8ab15 chore: bump the minor-and-patch group across 3 directories with 3 updates (#35589) dependabot[bot] 2026-03-06 07:34:52 +00:00
  • bb8b057ac3 ci(infra): add top-level permissions and SHA-pin third-party actions [INF-0000] (#35588) John Kennedy 2026-03-05 23:20:05 -08:00
  • 53e9ca3bb1 chore(infra): update dependabot.yml to monthly schedule with update-type split [INF-0000] (#35587) John Kennedy 2026-03-05 23:18:22 -08:00
  • 673737f356 chore: add note to release workflow (#35583) Mason Daugherty 2026-03-05 17:09:40 -05:00
  • fc9b39db3f feat(openai): add tool search support with defer_loading via extras open-swe/feat-openai-tool-search Open SWE 2026-03-05 20:04:24 +00:00
  • 136aed4dc9 feat(openai): support tool search and defer_loading for openai responses api feat/openai-tool-search Open SWE Agent 2026-03-05 19:37:07 +00:00
  • 7a4cc3ec32 fix(anthropic): update integration test (#35577) ccurme 2026-03-05 14:36:03 -05:00
  • f698b43b9a fix(openai): avoid PydanticSerializationUnexpectedValue for structured output (#35543) Jason Meng 2026-03-04 18:46:46 -08:00
  • 3101794dde feat(groq): Strict Mode for Groq (#35029) Mohammad Mohtashim 2026-03-05 07:35:09 +05:00
  • fb31c91076 fix(anthropic): drop forced tool_choice when thinking is enabled (#35544) Roli Bosch 2026-03-04 18:09:48 -08:00
  • c8f394208b fix(openrouter): include role in sdk model_construct for min dep compat (#35562) langchain-openrouter==0.1.0 Mason Daugherty 2026-03-04 16:05:30 -05:00
  • 23f3f59081 release(openrouter): 0.1.0 (#35560) Mason Daugherty 2026-03-04 15:37:38 -05:00
  • e91da86efe feat(openrouter): add streaming token usage support (#35559) Mason Daugherty 2026-03-04 15:35:30 -05:00
  • ea0f748122 boom sr/type-safe-streaming Sydney Runkle 2026-03-03 14:39:26 -08:00
  • d7bbc0ae90 boom Sydney Runkle 2026-03-03 14:38:53 -08:00
  • e50625e7c3 feat(fireworks,groq,openrouter): add standard model property (#35542) Mason Daugherty 2026-03-03 17:28:46 -05:00
  • c52c5d5bf0 simplified diff Sydney Runkle 2026-03-03 14:27:45 -08:00
  • 6aa74a76b7 poc/diff-for-v2 Sydney Runkle 2026-03-03 14:16:28 -08:00
  • 1587713786 poc/diff-for-v2 Sydney Runkle 2026-03-03 14:16:23 -08:00
  • c1803632c5 fix!(langchain): default to google_genai instead of google_vertexai mdrxy/default-genai Mason Daugherty 2026-03-03 10:40:34 -05:00
  • 6b37ad43dd docs(groq): generalize vision models ref (#35536) Mason Daugherty 2026-03-03 10:37:28 -05:00
  • bed4d2686a chore(langchain): switch refs from gemini-3 to gemini-3.1 (#35535) Mason Daugherty 2026-03-03 10:36:33 -05:00
  • cdf140e77d release(core): 1.2.17 (#35527) langchain-core==1.2.17 Mason Daugherty 2026-03-02 17:44:57 -05:00
  • 61fd90a2f3 fix(core): extract usage metadata from serialized tracer message outputs (#35526) Mason Daugherty 2026-03-02 17:43:33 -05:00
  • d2c86df128 fix(huggingface): switch integration test provider to together (#35525) langchain-huggingface==1.2.1 Mason Daugherty 2026-03-02 13:40:58 -05:00
  • da092cf093 Change logo width in README.md Sydney Runkle 2026-03-02 12:32:54 -05:00
  • ac9295761a fix(huggingface): resolve huggingface-hub 1.x compat (#35524) Mason Daugherty 2026-03-02 12:29:05 -05:00
  • 357fbdd40c Update heading in README to reflect platform focus Sydney Runkle 2026-03-02 12:26:30 -05:00
  • a0bc522887 Swap logo images for light and dark themes Sydney Runkle 2026-03-02 11:44:15 -05:00
  • 8450b51d2c Add files via upload Sydney Runkle 2026-03-02 11:39:46 -05:00
  • cf518216f7 Add files via upload Sydney Runkle 2026-03-02 10:47:31 -05:00
  • 6d39b72892 fix(huggingface): bump transformers and sentence-transformers lower bounds (#35522) Mason Daugherty 2026-03-02 10:45:06 -05:00
  • 93d63b9919 Update README.md Sydney Runkle 2026-03-02 10:42:30 -05:00
  • 0898e10a00 Add files via upload Sydney Runkle 2026-03-02 10:40:45 -05:00
  • 11270174aa chore: bump the other-deps group across 3 directories with 2 updates (#35512) dependabot[bot] 2026-03-02 09:19:53 -05:00
  • 9619516991 chore: bump the langchain-deps group across 3 directories with 7 updates (#35513) dependabot[bot] 2026-03-02 09:19:26 -05:00
  • ef6b569806 chore: bump the github-actions group with 2 updates (#35511) dependabot[bot] 2026-03-02 09:10:20 -05:00
  • af15037a4c ci: fix codspeed segfault (#35502) Mason Daugherty 2026-03-02 00:08:56 +00:00
  • f84b534248 feat(openrouter): surface cost and cost_details in response_metadata (#35461) Hamza Kyamanywa 2026-03-02 08:47:19 +09:00
  • 21b64e56fe docs(chroma): clarify update_documents docstring and argument behavior (#35409) Kanav Bansal 2026-03-01 22:51:29 +05:30
  • 6335968237 fix(deepseek): use proper URL parsing for azure endpoint detection (#35455) John Kennedy 2026-03-01 09:14:48 -08:00
  • dac22ced14 chore: bump langgraph-checkpoint from 3.0.0 to 4.0.0 in /libs/partners/huggingface (#35447) dependabot[bot] 2026-03-01 11:37:09 -05:00
  • e9794cca81 chore(model-profiles): refresh model profile data (#35477) langchain-model-profile-bot[bot] 2026-03-01 11:29:37 -05:00
  • 1867503157 perf(core): copy-on-write callbacks, cache inspect.signature, frozenset config keys jk/optimizations John Kennedy 2026-02-27 22:10:45 -08:00
  • e2da14595b perf(core): optimize callback manager hot paths John Kennedy 2026-02-27 21:37:52 -08:00
  • 67b777f655 fix(deepseek): use proper URL parsing for azure endpoint detection John Kennedy 2026-02-26 11:48:52 -08:00
  • 3fa6f5a48a Fix for First argument to super() is not enclosing class fix-avoid-dynamic-super John Kennedy 2026-02-27 15:42:51 -08:00
  • e939c96792 fix: compaction typo (#35467) John Kennedy 2026-02-27 11:30:37 -08:00
  • c600b932a6 fix(openai): add test for CSV and accommodate breaking changes in file url inputs (#35454) ccurme 2026-02-26 13:50:39 -05:00
  • 63e49f62f1 chore: bump langgraph-checkpoint from 3.0.1 to 4.0.0 in /libs/langchain_v1 (#35445) dependabot[bot] 2026-02-26 13:47:28 -05:00
  • e86d47103d chore: bump langgraph-checkpoint from 3.0.0 to 4.0.0 in /libs/model-profiles (#35446) dependabot[bot] 2026-02-26 13:45:49 -05:00
  • 4f1d2d0500 chore: bump langgraph-checkpoint from 3.0.0 to 4.0.0 in /libs/partners/openai (#35448) dependabot[bot] 2026-02-26 13:43:54 -05:00
  • a33112b451 chore: bump the langchain-deps group across 3 directories with 14 updates (#35441) dependabot[bot] 2026-02-26 02:48:31 -08:00
  • b5f71cd690 chore: bump langgraph-checkpoint from 3.0.1 to 4.0.0 in /libs/partners/anthropic (#35450) dependabot[bot] 2026-02-26 02:46:51 -08:00
  • 8791ada8c0 chore: bump nltk from 3.9.2 to 3.9.3 in /libs/text-splitters (#35449) dependabot[bot] 2026-02-26 02:46:32 -08:00
  • 94a58825d3 release(core): 1.2.16 (#35439) langchain-core==1.2.16 ccurme 2026-02-25 09:31:15 -05:00
  • 78678534f9 fix(core): treat empty tool chunk ids as missing in merge (#35414) Guofang.Tang 2026-02-25 07:12:49 +08:00
  • 4ffb584ddf release(anthropic): 1.3.4 (#35418) langchain-anthropic==1.3.4 ccurme 2026-02-24 08:51:01 -05:00
  • cdb9742511 fix(anthropic): filter out common OpenAI Responses block types (#35417) ccurme 2026-02-24 08:45:54 -05:00
  • 0b975d4d1b chore: bump the other-deps group across 3 directories with 2 updates (#35407) dependabot[bot] 2026-02-23 14:36:18 -08:00
  • 2d1492a864 fix(core): improve error message for non-JSON-serializable tool schemas (#34376) langchain-core==1.2.15 Tanzim Hossain Romel 2026-02-23 04:32:00 +06:00
  • d6e46bb4b0 fix(core): improve typing/docs for on_chat_model_start to clarify required positional args (#35324) Balaji Seshadri 2026-02-22 14:46:32 -05:00
  • 875c3c573d chore: bump google-cloud-aiplatform from 1.127.0 to 1.133.0 in /libs/langchain_v1 (#35397) dependabot[bot] 2026-02-22 13:47:04 -05:00
  • 32725b3d9b chore: bump google-cloud-aiplatform from 1.117.0 to 1.133.0 in /libs/langchain (#35392) dependabot[bot] 2026-02-22 09:39:06 -05:00