Pull requests

• fix(huggingface): prompt local pipelines for structured JSON output

  externalfixhuggingfaceintegrationmissing-issue-linknew-contributorsize: S
  #41559·by Kamran Khan (kamran-nizamani) was closed Oct 29, 2026·

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• feat(openai): support Decisions API GA capabilities

  featureintegrationinternalopenaisize: L
  #41549·ccurme (ccurme) opened Oct 28, 2026Collaborator·

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• feat(core): add add_notification_metadata and get_notification_metadata

  corefeatureinternalsize: M
  #41540·Thushanth Bengre (thushanth-bengre-langchain) opened Oct 28, 2026·

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• fix(model-profiles): correct refresh output filename and working directory in docs

  externalfixmodel-profilesnew-contributorsize: XS
  #41532·zydo opened Oct 27, 2026·

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• docs: update OpenWiki

  #41524·github-actions[bot] opened Oct 27, 2026Bot·

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• perf(core): parse streamed tool call args lazily in AIMessageChunk

  coreinternalperformancesize: M
  #41468·Mason Daugherty (mdrxy) opened Oct 25, 2026Member·

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• perf(core): stop parse_partial_json from retrying one character at a time

  coreinternalperformancesize: XS
  #41467·Mason Daugherty (mdrxy) opened Oct 25, 2026Member·

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• feat(langchain): add agent-visible model-call budgets

  featureinternallangchainsize: M
  #41436·open-swe[bot] opened Oct 23, 2026Bot·

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• feat(core): expose models.dev v2 modalities in model profiles

  corefeatureintegrationinternalmodel-profilesopenaisize: L
  #41434·ccurme (ccurme) opened Oct 23, 2026Collaborator·

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• feat(core): add context-scoped tracing error handlers

  corefeatureinternalsize: M
  #41347·Parker J. Rule (pjrule) opened Oct 20, 2026·

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• feat(langchain-classic): Remove EOL'd Python 3.10 from langchain-classic

  dependenciesexternalfeaturelangchain-classicsize: Strusted-contributor
  #41344·Christophe Bornet (cbornet) opened Oct 20, 2026Collaborator·

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• feat: Remove EOL'd Python 3.10 from text_splitters, model_profiles and standard-tests

  dependenciesexternalfeaturemodel-profilessize: Sstandard-teststext-splitterstrusted-contributor
  #41343·Christophe Bornet (cbornet) opened Oct 20, 2026Collaborator·

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• feat(core): retain child runs automatically for observers

  corefeatureinternalsize: M
  #41312·Jacob Lee (jacoblee93) opened Oct 19, 2026Contributor·

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• feat(langchain): Remove EOL'd Python 3.10 from langchain_v1

  dependenciesexternalfeaturelangchainsize: Strusted-contributor
  #41301·Christophe Bornet (cbornet) opened Oct 19, 2026Collaborator·

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• feat(partners): Remove EOL'd Python 3.10 from partner packages

  anthropicchromadeepseekdependenciesexaexternalfeaturefireworksgroqhuggingfaceintegrationmistralainomicollamaopenaiopenrouterperplexityqdrantsize: Mtrusted-contributortypesafexai
  #41268·Christophe Bornet (cbornet) opened Oct 16, 2026Collaborator·

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• feat(core): Remove EOL Python 3.10 support

  coredependenciesexternalfeaturegithub_actionssize: Ltrusted-contributor
  #41267·Christophe Bornet (cbornet) opened Oct 16, 2026Collaborator·

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• feat(langchain): resumable hosted OAuth provider in langchain.mcp.oauth

  featureinternallangchainsize: XL
  #41262·Mason Daugherty (mdrxy) opened Oct 15, 2026Member·

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• fix(typesafe): reject empty questions in TypeSafeClassifier

  externalfixintegrationsize: XStypesafe
  #41241·Champions Zhang (ChampionsZhang) opened Oct 14, 2026Contributor·

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• feat(langchain): apply input inserted into a running agent before its next model call

  dependenciesfeatureinternallangchainsize: S
  #41232·Thushanth Bengre (thushanth-bengre-langchain) opened Oct 13, 2026·

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• feat(anthropic): support Claude Haiku 5.5

  anthropicdependenciesfeatureintegrationinternalsize: M
  #41140·Hunter Lovell (hntrl) opened Oct 7, 2026Member·

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• fix(core): exclude prefixed credential keys from configurable tracing metadata

  corefixinternalsize: XS
  #41050·Emil F (emil-lc) opened Oct 5, 2026Contributor·

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• fix(anthropic): redact MCP authorization_token from invocation params

  anthropicfixintegrationinternalsize: XS
  #41049·Emil F (emil-lc) opened Oct 5, 2026Contributor·

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• fix(openai,anthropic,groq): hide default_headers from serialization and repr

  anthropicfixgroqintegrationinternalopenaisize: S
  #41048·Emil F (emil-lc) opened Oct 5, 2026Contributor·

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• fix(openai): require an explicit model in ChatOpenAI

  fixintegrationinternallangchainlangchain-classicopenaisize: S
  #41041·Mason Daugherty (mdrxy) opened Oct 4, 2026Member·

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• fix(langchain): stop jump_to="tools" from bypassing HITL review

  externalfixlangchainnew-contributorsize: L
  #41023·Udit Sharma (uditstocks) opened Oct 3, 2026·

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