langchain-core==1.5.0

langchain-ai/langchain Releases Developers & Open Source 07/21/2026, 11:37 Score 8/10

Summary

Changes since langchain-core==1.4.9 release(core): 1.5.0 ( #38978 ) feat(core): add reasoning_effort as a standard chat model parameter ( #38887 ) chore: bump soupsieve from 2.8 to 2.8.4 in /libs/core ( #38750 ) chore: bump mistune from 3.2.1 to 3.3.0 in /libs/core ( #38783 )

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