langchain-ai/langchain
langchain-ai/langchain
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release notes
Published 3/2/2026
Safe upgradeChanges since langchain-core==1.2.16
release(core): 1.2.17 (#35527) fix(core): extract usage metadata from serialized tracer message outputs (#35526) chore: bump the langchain-deps group across 3 directories with 7 updates (#35513) chore: bump the langchain-deps group across 3 directories with 14 updates (#35441)
release notes
Published 3/2/2026
Safe upgradeChanges since langchain-core==1.2.16
release(core): 1.2.17 (#35527) fix(core): extract usage metadata from serialized tracer message outputs (#35526) chore: bump the langchain-deps group across 3 directories with 7 updates (#35513) chore: bump the langchain-deps group across 3 directories with 14 updates (#35441)