langchain==1.3.8

langchain-ai/langchain Releases Developers & Open Source 06/12/2026, 12:20 Score 8/10

Summary

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 )

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