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7/6/2026
How to migrate from Python 3.10/3.11 to 3.13: Handling the Dual EOL and Missing PyPI Wheels

How to migrate from Python 3.10/3.11 to 3.13: Handling the Dual EOL and Missing PyPI Wheels

Short summary

Python 3.10 reaches end-of-life October 31, 2026. Before upgrading to 3.13, audit all transitive dependencies and replace removed stdlib modules like nntplib. Update build configurations for macOS 12+ and modern manylinux tags to avoid deployment failures.

  • •Python 3.10 EOL: October 31, 2026 — urgency to migrate
  • •Audit transitive dependencies for requires_python caps before switching runtimes
  • •Replace removed stdlib modules (PEP 594) and update build config for modern platform targets

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