langchain-core==1.4.5

langchain-ai/langchain Releases Developers & Open Source 06/11/2026, 10:58 Score 8/10

Summary

Changes since langchain-core==1.4.4 release(core): 1.4.5 ( #38056 ) feat(standard-tests): validate tool call chunks during streaming ( #34707 ) fix(core): async tracer on_chat_model_start fallback in sync context ( #35233 ) fix(langchain): tighten structured output model fallbacks ( #38042 )

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