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Releases: langchain-ai/langchain

langchain-openrouter==0.2.1

30 Mar 00:54
342d8bd

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Changes since langchain-openrouter==0.2.0

release(openrouter): 0.2.1 (#36348)
fix(openrouter): pass attribution headers via httpx default_headers (#36347)
chore(model-profiles): refresh model profile data (#36267)
chore: bump requests from 2.32.5 to 2.33.0 in /libs/partners/openrouter (#36247)

langchain-core==1.2.23

27 Mar 23:28
d483641

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Changes since langchain-core==1.2.22

release(core): 1.2.23 (#36323)
revert: Revert "fix(core): trace invocation params in metadata" (#36322)
chore: bump requests from 2.32.5 to 2.33.0 in /libs/core (#36243)

langchain-exa==1.1.0

26 Mar 17:00
4c62fa5

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Changes since langchain-exa==1.0.0

release(exa): 1.1.0 (#36278)
feat(exa): update default search type from neural to auto (#36125)
chore: bump requests from 2.32.5 to 2.33.0 in /libs/partners/exa (#36255)
chore(partners): bump langchain-core min to 1.2.21 (#36183)
ci: suppress pytest streaming output in CI (#36092)
ci: avoid unnecessary dep installs in lint targets (#36046)
chore: bump orjson from 3.11.5 to 3.11.6 in /libs/partners/exa (#35869)
chore(deps): bump langsmith from 0.4.31 to 0.6.3 in /libs/partners/exa (#35158)
chore: add make type target (#35015)
revert: "chore: add typing target in Makefile" (#35013)
chore: add typing target in Makefile (#35012)
chore: enrich pyproject.toml files (#34980)
chore(deps): bump the uv group across 20 directories with 3 updates (#34941)
chore: upgrade urllib3 to 2.6.3 (#34940)
chore: update twitter URLs (#34736)
chore: ban relative imports on all packages (#34691)
chore: update core dep in lockfiles (#34216)
chore: update pyproject.toml url entries (#33587)

langchain-openrouter==0.2.0

25 Mar 15:16
90d015c

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Changes since langchain-openrouter==0.1.0

release(openrouter): 0.2.0 (#36227)
feat(openrouter): add app_categories field for marketplace attribution (#36205)
chore(openrouter): update URL/title (#36204)
chore(model-profiles): refresh model profile data (#36195)
chore(partners): bump langchain-core min to 1.2.21 (#36183)
fix(core,model-profiles): add missing ModelProfile fields, warn on schema drift (#36129)
chore(model-profiles): refresh model profile data (#36123)
chore(model-profiles): refresh model profile data (#36099)
ci: suppress pytest streaming output in CI (#36092)
ci: avoid unnecessary dep installs in lint targets (#36046)
chore(model-profiles): refresh model profile data (#35959)
chore(model-profiles): refresh model profile data (#35784)
feat(model-profiles): new fields + Makefile target (#35788)
chore(model-profiles): refresh model profile data (#35646)
chore(model-profiles): refresh model profile data (#35593)

langchain-core==1.2.22

24 Mar 18:49
d22df94

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Changes since langchain-core==1.2.21

release(core): 1.2.22 (#36201)
fix(core): validate paths in prompt.save and load_prompt, deprecate methods (#36200)

langchain-openai==1.1.12

23 Mar 18:59
ad574fc

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Changes since langchain-openai==1.1.11

fix(openai): bump min core version (#36180)
release(openai): 1.1.12 (#36178)
fix(core,model-profiles): add missing ModelProfile fields, warn on schema drift (#36129)
fix(openai): support phase parameter (#36161)
fix(openai): preserve namespace field in streaming function_call chunks (#36108)
ci: suppress pytest streaming output in CI (#36092)
ci: avoid unnecessary dep installs in lint targets (#36046)
chore(model-profiles): refresh model profile data (#36039)
chore: bump orjson from 3.11.5 to 3.11.6 in /libs/partners/openai (#35860)
fix(openai): add type: message to Responses API input items (#35693)
perf(.github): set a timeout on get min versions HTTP calls (#35851)
feat(model-profiles): new fields + Makefile target (#35788)
fix(openai): close PIL Image handles in token counting to prevent fd leak (#35742)
fix(openai): typo (#35763)
chore(model-profiles): refresh model profile data (#35754)

langchain-core==1.2.21

23 Mar 18:01
19f81cf

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Changes since langchain-core==1.2.20

release(core): 1.2.21 (#36179)
fix(core,model-profiles): add missing ModelProfile fields, warn on schema drift (#36129)
chore(core): remove stale blockbuster allowlist for deleted context module (#36168)
ci: suppress pytest streaming output in CI (#36092)

langchain==1.2.13

19 Mar 17:16
d1e5bd6

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Changes since langchain==1.2.12

release(langchain): 1.2.13 (#36111)
ci: suppress pytest streaming output in CI (#36092)
feat: Add LangSmith integration metadata to create_agent and init_chat_model (#35810)
ci: avoid unnecessary dep installs in lint targets (#36046)
chore: bump pyasn1 from 0.6.2 to 0.6.3 in /libs/langchain_v1 (#36029)
chore: bump pyjwt from 2.10.1 to 2.12.0 in /libs/langchain_v1 (#36024)
fix(langchain): export Runtime from agents.middleware (#35975)
chore: bump locks, lint (#35985)
fix(openai): add type: message to Responses API input items (#35693)
chore: bump black from 25.11.0 to 26.3.1 in /libs/langchain_v1 (#35802)
chore: bump orjson from 3.11.5 to 3.11.6 in /libs/langchain_v1 (#35807)
chore(langchain): add baseten to _BUILTIN_PROVIDERS (#35777)

langchain-core==1.2.20

18 Mar 17:34
c4abc91

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Changes since langchain-core==1.2.19

release(core): 1.2.20 (#36085)
fix(core): trace invocation params in metadata (#36080)
feat: Add LangSmith integration metadata to create_agent and init_chat_model (#35810)
feat(core): harden anti-ssrf (#35960)
ci: avoid unnecessary dep installs in lint targets (#36046)
docs(core): document base_url in mermaid api (#35961)
chore: bump orjson from 3.11.5 to 3.11.6 in /libs/core (#35805)
chore: housekeeping (#35850)

langchain-anthropic==1.4.0

17 Mar 18:42
a9204aa

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Changes since langchain-anthropic==1.3.5

release(anthropic): 1.4 (#36018)
feat(anthropic): AnthropicPromptCachingMiddleware: apply explicit caching to system message and tool definitions (#35969)
feat(anthropic): delegate cache_control kwarg to anthropic top-level param (#35967)
chore(model-profiles): refresh model profile data (#35959)
chore: bump orjson from 3.11.5 to 3.11.6 in /libs/partners/anthropic (#35867)