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langchain

19 stories · 7d·6 sources covering·25 active storylines

Updated Thu, 20 Aug 2026 CEST·19 new storylines this week·live

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.

storylines this week25 active

LangChain (Python) — Releases
LANGCHAIN (PYTHON) · langchain-fireworks · v1.6.0

Adds document reranking for Fireworks

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…

via github.com
Friday, August 14, 2026’s edition
LangChain (JS) — Releases
LANGCHAIN (JS) · langchain · v1.5.9

Marks errors as retryable to prevent wasted API calls

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…

via github.com
Tuesday, July 21, 2026’s edition
LangChain (Python) — Releases
LANGCHAIN (PYTHON) · langchain-core · v1.5.0

Adds reasoning_effort as standard chat model parameter

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…

via github.com
Monday, June 8, 2026’s edition
Vercel AI SDK — Releases
VERCEL AI SDK · svelte · v5.0.0-canary.166

Bumps ai to 7.0.0-canary.166

Patch Changes Updated dependencies [19736ee] Updated dependencies [d66ae02] Updated dependencies [e4182bd] ai@7.0.0-canary.166

via github.com
Wednesday, May 27, 2026’s edition
Thursday, August 20, 2026’s edition
LangChain (JS) — Releases
LANGCHAIN (JS) · google · v0.2.3

Adds LangSmith gateway support for Google Gemini models

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…

via github.com
LangChain (JS) — Releases
LANGCHAIN (JS) · google-genai · v2.3.0

Throws EmptyContentError for empty Gemini content

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…

via github.com
Thursday, August 13, 2026’s edition
LangChain (Python) — Releases
LANGCHAIN (PYTHON) · langchain-openai · v1.5.0

Adds OpenAI 3.0 SDK support

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)

via github.com
Wednesday, August 5, 2026’s edition
Monday, August 3, 2026’s edition
LiteLLM — Releases
LITELLM · v1.96.0-rc.1

Verifies Docker images with cosign signatures

Verify Docker Image Signature All LiteLLM Docker images are signed with cosign. Every release is signed with the same key introduced in commit `0112e53`. Verify using the pinned commit hash (recommended): A commit hash…

via github.com
Tuesday, July 21, 2026’s edition
LangChain (Python) — Releases
LANGCHAIN (PYTHON) · langchain-anthropic · v1.5.0

Adds reasoning_effort as a standard chat model parameter

Changes since langchain-anthropic==1.4.8 release(anthropic): 1.5.0 (#38985) feat(core): add `reasoning_effort` as a standard chat model parameter (#38887) fix(anthropic): add advisor_ prefix to builtin tool recognition…

via github.com
LangChain (Python) — Releases
LANGCHAIN (PYTHON) · langchain-fireworks · v1.5.0

Adds reasoning_effort as standard chat model parameter

Changes since langchain-fireworks==1.4.4 release(fireworks): 1.5.0 (#38986) feat(core): add `reasoning_effort` as a standard chat model parameter (#38887) chore: bump langsmith from 0.10.2 to 0.10.6 in…

via github.com
LangChain (Python) — Releases
LANGCHAIN (PYTHON) · langchain-xai · v1.3.0

Adds reasoning_effort as a standard chat model parameter

Changes since langchain-xai==1.2.2 release(xai): 1.3.0 (#38984) feat(core): add `reasoning_effort` as a standard chat model parameter (#38887) fix: patch Dependabot dependency vulnerabilities (#38853) chore: bump…

via github.com
Friday, July 10, 2026’s edition
LangChain (Python) — Releases
LANGCHAIN (PYTHON) · langchain-openai · v1.3.5

Adds explicit prompt caching support for OpenAI models

Changes since langchain-openai==1.3.4 release(openai): 1.3.5 (#38785) feat(openai): support explicit prompt caching (#38762) chore(model-profiles): refresh model profile data (#38774)

via github.com
Thursday, June 18, 2026’s edition
LangChain (JS) — Releases
LANGCHAIN (JS) · langchain · v1.5.0

Surfaces tool-dispatched subagents on run.subagents

Minor Changes #11062 `3ebd10a` Thanks @christian-bromann! - feat(langchain): surface tool-dispatched subagents on `run.subagents` Add a native subagent stream transformer to `createAgent` so v3 runs expose named nested…

via github.com
Friday, June 12, 2026’s edition
LangChain (Python) — Releases
LANGCHAIN (PYTHON) · langchain · v1.3.9

Fixes file-search results handling in Anthropic integration

Changes since langchain==1.3.8 release(anthropic): 1.4.6 (#38105) release(langchain): 1.3.9 (#38104) fix(langchain,anthropic): confine file-search results and tighten anthropic `allowed_prefixes` (#38106)

via github.com
Thursday, June 11, 2026’s edition
LangChain (Python) — Releases
LANGCHAIN (PYTHON) · langchain-core · v1.4.6

Adds package version tracking to tracing metadata

Changes since langchain-core==1.4.5 release(core): 1.4.6 (#38061) feat(core,partners): add package version tracking to tracing metadata (#35295) fix(core,openai): normalize v1 streamed tool calls (#35983) chore(infra)…

via github.com
Tuesday, June 9, 2026’s edition
LangChain (Python) — Releases
LANGCHAIN (PYTHON) · langchain-openai · v1.3.0

Adds apply_patch built-in tool support for OpenAI

Changes since langchain-openai==1.2.2 hotfix(openai): min core dep (#37990) release(openai): 1.3.0 (#37989) feat(openai): support `apply_patch` built-in tool (#37157) chore(model-profiles): refresh model profile data…

via github.com
Friday, June 5, 2026’s edition
LangChain (Python) — Releases
LANGCHAIN (PYTHON) · langchain-core · v1.4.1

Removes Bedrock prevalidation from load

Changes since langchain-core==1.4.0 release(core): 1.4.1 (#37922) fix(core): remove Bedrock prevalidation from `load` (#37909) docs(core): expand and link `ModelProfile` docstrings (#37904) release(anthropic): 1.4.4…

via github.com
Wednesday, May 20, 2026’s edition
LangChain (Python) — Releases
LANGCHAIN (PYTHON) · langchain-fireworks · v1.4.0

Migrates to fireworks-ai 1.x SDK

Changes since langchain-fireworks==1.3.1 release(fireworks): 1.4.0 (#37582) feat(fireworks): migrate to `fireworks-ai` 1.x SDK (#37581) chore(model-profiles): refresh model profile data (#37574) chore: bump idna from…

via github.com
Tuesday, May 12, 2026’s edition
LangChain (Python) — Releases
LANGCHAIN · 1 source

LangChain (Python) — langchain v1.3.0

This release adds support for `version="v3"` in `stream_events` / `astream_events` for `langchain` agents. Refer to the event streaming guide for details.

via github.com
Monday, May 11, 2026’s edition
LangChain (Python) — Releases
LANGCHAIN · 1 source

LangChain (Python) — langchain-core v1.4.0

Changes since langchain-core==0.3.86 chore(infra): merge v1.4 into master (#37350) chore: bump urllib3 from 2.6.3 to 2.7.0 in /libs/core (#37329) fix(core): avoid eager `pydantic.v1` import in `@deprecated` (#37308)…

via github.com
Wednesday, May 6, 2026’s edition
LangChain (Python) — Releases
LANGCHAIN · 1 source

LangChain (Python) — langchain v1.3.0a2

Initial release release(langchain): 1.3.0a2 (#37225) release(langchain): 1.3.0a2 (#37224) fix(langchain): ordered schema resolution — list replaces set so state_schema wins (#37223) release(langchain): 1.3.0a1 (#37140)…

via github.com
Friday, May 1, 2026’s edition
LangChain (Python) — Releases
LANGCHAIN · 1 source

LangChain (Python) — langchain-core v1.4.0a2

Initial release release(core): 1.4.0a2 (#37134) refactor(core): unwind _AsyncEventsResult hybrid for astream_events (#37133) release(core): 1.4.0a1 (#37132) Merge remote-tracking branch 'origin/master' into v1.4…

via github.com