langchain-ai/langchain
langchain-ai/langchain
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release notes
Published 3/9/2026
Safe upgradeChanges since langchain-core==1.2.17
release(core): 1.2.18 (#35704) fix(core): fix double backticks in deprecation docstring for alternative_import (#35658) fix(core): preserve default_factory when generating tool call schema (#35550) feat(openai): support tool search (#35582) chore: bump the minor-and-patch group across 3 directories with 7 updates (#35605)
release notes
Published 3/9/2026
Safe upgradeChanges since langchain-core==1.2.17
release(core): 1.2.18 (#35704) fix(core): fix double backticks in deprecation docstring for alternative_import (#35658) fix(core): preserve default_factory when generating tool call schema (#35550) feat(openai): support tool search (#35582) chore: bump the minor-and-patch group across 3 directories with 7 updates (#35605)