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release notes
Published 11/19/2025
Changes since langchain-core==0.3.79
release(core): 0.3.80 (#34039) fix(core): fix validation for input variables in f-string templates, restrict functionality supported by jinja2, mustache templates (GHSA-6qv9-48xg-fc7f) (#34038)
The agent engineering platform
https://docs.langchain.com/langchain/