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feat!: Bump minimum langchain version to 1.0.0
LangChain >= 1.0 requires Python >= 3.10, so remove 3.9 from the server-ai-langchain CI jobs. Other packages are unaffected. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Bumping langchain to >= 1.0 requires Python >= 3.10. Align all packages and CI matrices to reflect this new minimum. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
andrewklatzke
approved these changes
Mar 27, 2026
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feat!: Bump minimum langchain version to 1.0.0
Note
Low Risk
Low code risk (mostly packaging/CI metadata), but it is a breaking compatibility change for users pinned to Python 3.9 and older
langchainversions.Overview
Drops Python 3.9 support across the repo by updating all package
pyproject.tomlfiles to require>=3.10(and aligningmypy’spython_version), and removing3.9from the GitHub Actions CI test matrix.Updates dependencies for the LangChain provider by bumping
langchain/langchain-coreminimum versions to>=1.0.0.Written by Cursor Bugbot for commit ec83dc5. This will update automatically on new commits. Configure here.