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langchain-ai/langchain langchain==1.4.0

GitHub Releases · github-actions[bot] · 14 days ago

Changes since langchain==1.3.18 docs(langchain): runnable `langchain.mcp` examples (#39976) feat(langchain): `langchain.mcp` namespace, `MCPAdapter` (#39939) perf(anthropic,langchain): omit middleware trace inputs (#40098) fix(langchain): include model destination in agent tool…

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First seen: 2026-09-04T08:37:06.021Z

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