langchain-releases-2026-05-09
Tech · · 1 min read
LangChain Releases
Recent Version Updates
1. langchain==1.2.18
- Name: langchain==1.2.18
- Published: 2026-05-08T13:59:43Z
- Description: 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/dump...
2. langchain==0.3.30
- Name: langchain==0.3.30
- Published: 2026-05-07T15:48:35Z
- Description: 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)...
3. langchain-core==0.3.86
- Name: langchain-core==0.3.86
- Published: 2026-05-07T16:48:35Z
- Description: 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)...
4. langchain-classic==1.0.7
- Name: langchain-classic==1.0.7
- Published: 2026-05-07T15:47:20Z
- Description: Changes since langchain-classic==1.0.6
release(langchain-classic): 1.0.7 (#37240) chore(langchain-classic): deprecate hub, limit loads/dumps (#37234)...
5. langchain==1.3.0a2
- Name: langchain==1.3.0a2
- Published: 2026-05-06T18:54:44Z
- Description: 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...