langchain-core==1.4.8

langchain-ai/langchain Releases Developers & Open Source 06/19/2026, 03:39 Score 8/10

Summary

Changes since langchain-core==1.4.7 chore: bump jupyter-server from 2.18.0 to 2.20.0 in /libs/core ( #38252 ) chore: bump tornado from 6.5.6 to 6.5.7 in /libs/core ( #38184 ) chore: bump bleach from 6.3.0 to 6.4.0 in /libs/core ( #38198 ) release(core): 1.4.8 ( #38254 ) refactor(langchain-classic): remove code for Python #38194 ) perf(core): memoize BaseTool.tool_call_schema subset model and cache model_json_schema ( #38073 ) style(core): fix style in langchain_core / _security ( #38189 ) fix(core): preserve usage token details in v3 streaming events ( #38021 ) fix(core): disallow_any_generics ( #38156 ) chore(core): add mypy warn_unreachable ( #38109 ) docs: refresh README installation and resources ( #38119 ) test(core,langchain): update tests for explicit deserialization allowlists ( #38118 )

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