LangChain langchain==1.3.8stable Released Jun 12, 2026
Impact Score: 5/10

LangChain langchain==1.3.8 โ€” Release Notes & Engineering Impact

Source available โ€” automated, not human-reviewed

Component: langchain ยท Channel: stable. Automated analysis, not a compatibility certification. How this works.

Analysis updated: 2026-11-01.

Compatibility not verified โ€” check source notes
๐Ÿ“„ .MD
โšก Executive Summary (TL;DR)

LangChain langchain==1.3.8. Source highlight: Changes since langchain==1.3.7

Who Does This Impact? (Role-Based Analysis)

๐Ÿ’ป Software Engineers & Devs

Check the source notes against the package and APIs you use before upgrading.

๐Ÿ“Š Product & Engineering Leads

Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.

โš™๏ธ DevOps & Security

Verify the target version, runtime requirements and rollback procedure in the official documentation.

๐Ÿ“„ View Raw Release Notes (Original Developer Log)
Changes since langchain==1.3.7 release(langchain): 1.3.8 (#38096) style(core,langchain,langchain-classic,partners): replace double backticks in docstrings (#38095) release(core): 1.4.6 (#38061) chore(langchain): add overloads to `create_agent` (#34309) chore(infra): bump mypy to 2.1 and unify type-check config across the monorepo (#36470) fix(langchain): support async middleware decorator typing (#34584) fix(langchain): tighten structured output model fallbacks (#38042) release(anthropic): 1.4.5 (#38036) hotfix(core): bump lockfile(s) (#38032) refactor(langchain): refactor `test_create_agent_tool_validation` (#34443)