12 stories · 7d·6 sources covering·30 active storylines
What this is
LangChain is an open-source framework for building applications and agents on top of language models. shipfeed tracks releases across LangChain, LangGraph, and its ecosystem.
Changes since langchain-anthropic==1.7.2 release(anthropic): 1.7.3 (#40773) chore(model-profiles): refresh anthropic model profile data (#40772) fix(anthropic): auto-route `with_structured_output` to…
Alpha preview of `langchain.mcp` — a first-party adapter that turns any MCP server into LangChain tools you can hand straight to `create_agent`. Connection handling is FastMCP's, so its client features are available…
Changes since langchain-fireworks==1.5.2 release(fireworks): 1.6.0 (#39810) feat(fireworks): add document reranking (#39732) fix(fireworks): filter invalid tool calls from v1 content (#39805) feat(core): add standard…
Patch Changes #11369 `d6ad973` Thanks @hntrl! - fix(langchain): use unified endpoint for gateway #11342 `3b0e4c4` Thanks @thushanth-bengre-langchain! - feat(core): mark errors as retryable or not, and stop retrying the…
Changes since langchain-core==1.4.9 release(core): 1.5.0 (#38978) feat(core): add `reasoning_effort` as a standard chat model parameter (#38887) chore: bump soupsieve from 2.8 to 2.8.4 in /libs/core (#38750) chore…
Patch Changes Updated dependencies [19736ee] Updated dependencies [d66ae02] Updated dependencies [e4182bd] ai@7.0.0-canary.166
Agentic retrieval with LangChain and Amazon Bedrock Knowledge Bases Amazon Web Services (AWS)
Nimbus builds production AI systems — internal tools, customer agents, retrieval pipelines — combining humans and AI end-to-end. From scoped pilot to production in 4–8 weeks.
Patch Changes Updated dependencies [`4109812`, `4109812`]: @langchain/openai@1.6.2
Patch Changes #11771 `bbed273` Thanks @thushanth-bengre-langchain! - Add `fileMimeTypes` to `ModelProfile` so models can advertise the MIME types they accept as generic file inputs. OpenAI Responses API models now…
Changes since langchain-fireworks==1.6.3 hotfix(fireworks): replace unavailable integration test model (#40890) release(fireworks): 1.7.0 (#40889) feat(fireworks): add prompt caching middleware (#38823) fix(fireworks)…
Changes since langchain==1.4.2 release(langchain): 1.4.3 (#40888) fix(langchain): sanitize cache settings for fallback models (#40886) feat(langchain): support Bedrock Mantle chat models in `init_chat_model` (#40837)…
Patch Changes Updated dependencies [`663b9a2`, `5d509ad`]: @langchain/openai@1.6.0
Patch Changes #11672 `946e3d8` Thanks @thushanth-bengre-langchain! - fix(mongodb): reject non-string sessionId in MongoDBChatMessageHistory and wrap query filters with $eq (GHSA-m6rx-h84q-8r95) Breaking: `sessionId…
Changes since langchain-anthropic==1.7.3 chore(anthropic): fix integration test cassette (#40790) release(anthropic): 1.7.4 (#40786) fix(anthropic): add Opus 5.5 and GPT-6 profile augmentations (#40785)…
Initial release release(typesafe): 0.0.1a3 (#40693) feat(typesafe): make classifier questions invocation-scoped (#40659) release(typesafe): bump to 0.0.1a2 (#40576) feat(typesafe): experimental `AutoModeMiddleware`…
Initial release release(typesafe): bump to 0.0.1a2 (#40576) feat(typesafe): experimental `AutoModeMiddleware` (#40545) feat(typesafe): experimental `ModelRouterMiddleware` (#40543) fix(typesafe): trace usage metadata…
Patch Changes #11433 `bc88b75` Thanks @jackjin1997! - Fix Vertex AI endpoint routing for multi-region locations such as `eu` and `us`. #11606 `194a063` Thanks @thushanth-bengre-langchain! - fix: allowlist JSON Schema…
Changes since langchain-core==1.6.2 release(core): 1.6.3 (#40407) feat(core): Allow model name and provider tracing metadata override based on gateway response (#40406) test(core): cover the deprecated `.text()` access…
Patch Changes Updated dependencies [`6bd3a18`, `7d6e1b0`, `80c5c93`]: @langchain/openai@1.5.12
Meet GPT-6 Astra, OpenAI’s most capable model for business, with advanced reasoning, computer use, and stronger writing and design judgment.
Changes since langchain-openai==1.6.0 fix(openai): bump `max_completion_tokens` in cache breakpoint integration test (#40284) release(openai): 1.6.1 (#40268) chore(model-profiles): refresh model profile data (#40217)…
Patch Changes Updated dependencies [`80c5c93`]: @langchain/openai@1.5.12-rc.0
Changes since langchain==1.3.18 docs(langchain): runnable `langchain.mcp` examples (#39976) feat(langchain): `langchain.mcp` namespace, `MCPAdapter` (#39939) perf(anthropic,langchain): omit middleware trace inputs…
Nimbus builds production AI systems — internal tools, customer agents, retrieval pipelines — combining humans and AI end-to-end. From scoped pilot to production in 4–8 weeks.
Changes since langchain-anthropic==1.7.0 release(anthropic): 1.7.1 (#40181) perf(anthropic,langchain): omit middleware trace inputs (#40098) feat(anthropic): add Claude Fable 5.1 support (#40106)
Changes since langchain-anthropic==1.6.1 release(anthropic): 1.7.0 (#39963) feat(anthropic): support top-level param for skills via `container`; `updates` thinking display mode (#39962) feat(anthropic): support 1.0 sdk…
Patch Changes #11405 `8cfff4d` Thanks @hntrl! - Add LangSmith gateway support for Google Gemini (Developer API) models. When `LANGSMITH_GATEWAY` is set, `ChatGoogleGenerativeAI` and `ChatGoogle` (and…
Patch Changes #11399 `5c9fdf2` Thanks @gethin-langchain! - update to v7 openai sdk #11403 `fe8eec1` Thanks @thushanth-bengre-langchain! - Drop Gemini-native `functionCall` content blocks (already carried in…
Minor Changes #11400 `0e7c765` Thanks @thushanth-bengre-langchain! - fix(google-genai): throw a typed, catchable `EmptyContentError` instead of silently returning empty content / an empty `generations` array when a…
Changes since langchain-openai==1.4.3 release(openai): 1.5.0 (#39629) feat(openai): support openai 3.0 SDK (#39613) chore(partners): bump langgraph floor in openai and huggingface lockfiles (#39617)