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.
https://github.com/langchain-ai/langchain/releases·sdk·23 items·last fetched
This release adds support for `version="v3"` in `stream_events` / `astream_events` for `langchain` agents. Refer to the event streaming guide for details.
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)…
Changes since langchain==1.2.17 release(langchain): 1.2.18 (#37250) revert: feat(langchain): ls_agent_type tag on create_agent calls (#37249) chore(langchain-classic): deprecate hub, limit loads/dumps (#37234)…
Changes since langchain-core==0.3.85 release(core): 0.3.86 (#37242) fix(core): backport path-traversal fix to v0.3 (CVE-2026-34070, GHSA-qh6h-p6c9-ff54) (#37233)
Changes since langchain==0.3.29 release(langchain): release 0.3.30 (#37241) chore(langchain): backport loads/dumps harden to v0.3 and deprecate hub (#37239)
Changes since langchain-classic==1.0.6 release(langchain-classic): 1.0.7 (#37240) chore(langchain-classic): deprecate hub, limit loads/dumps (#37234)
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)…
Changes since langchain-classic==1.0.5 release(langchain-classic): 1.0.6 (#37211) chore: bump jupyter-server from 2.17.0 to 2.18.0 in /libs/langchain (#37203) fix(langchain): restrict deserialization in…
Changes since langchain==0.3.28 release(langchain): 0.3.29 (#37212) fix(langchain): restrict deserialization in `langchain.storage._lc_store` (#37209) fix(core, langchain): harden `load()` against untrusted manifests…
Changes since langchain-core==0.3.84 release(core): 0.3.85 (#37205) fix(core, langchain): harden `load()` against untrusted manifests (#37201)
Changes since langchain-core==1.3.2 release(core): 1.3.3 (#37198) fix(core): set deprecation `since` to 1.3.3 to match release (#37200) fix(core, langchain): harden `load()` against untrusted manifests (#37197) chore…
Changes since langchain-fireworks==1.3.0 fix(fireworks): require `api_key` in `FireworksEmbeddings` (#37193) release(fireworks): 1.3.1 (#37189) fix(fireworks): strip non-wire keys from `ToolMessage` text content blocks…
Changes since langchain-mistralai==1.1.3 release(mistralai): 1.1.4 (#37191) fix(mistralai): strip non-wire keys from `ToolMessage` (#37188)
Changes since langchain-anthropic==1.4.2 release(anthropic): 1.4.3 (#37166) refactor(langchain-classic): retarget deprecations to `create_agent`, other chores (#37164) chore(docs): update x handle references (#37081)…
Changes since langchain-classic==1.0.4 release(langchain-classic): 1.0.5 (#37165) refactor(langchain-classic): retarget deprecations to `create_agent`, other chores (#37164) chore(langchain,langchain-classic)…
Changes since langchain-openrouter==0.2.2 release(openrouter): 0.2.3 (#37146) fix(openrouter): merge fragmented `reasoning_details` in streaming (#36401)
Changes since langchain-mistralai==1.1.2 release(mistralai): 1.1.3 (#37145) feat(mistralai): add image input support for human messages (#37112) chore(model-profiles): refresh model profile data (#37122) chore(docs)…
Changes since langchain-fireworks==1.2.1 release(fireworks): 1.3.0 (#37144) feat(fireworks): `service_tier` init kwarg on `ChatFireworks` (#37143) chore(model-profiles): refresh model profile data (#37122)
Initial release release(langchain): 1.3.0a1 (#37140) feat(langchain): wire stream_events(version='v3') into create_agent (#37136) Merge remote-tracking branch 'origin/master' into v1.4 feat(core)…
Changes since langchain-openrouter==0.2.1 release(openrouter): 0.2.2 (#37139) feat(openrouter): `session_id` and `trace` fields (#37137) chore(docs): update x handle references (#37081) chore(model-profiles): refresh…
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…
Initial release release(core): 1.4.0a1 (#37132) Merge remote-tracking branch 'origin/master' into v1.4 feat(core): stream_events(version='v3') protocol (#37111) fix(core): preserve structured `inputs` on tool runs in…
Changes since langchain==1.2.16 release(langchain): 1.2.17 (#37110) feat(langchain): add `respond` decision to HITL middleware (#37095)