The Python development team is thrilled to announce the release of Python 3.13.1, a significant update to the Python 3.13 series. This release, dated December 2025, marks a major milestone in the Python ecosystem, bringing numerous enhancements, optimizations, and new features to improve the development experience.

None. Bugfix releases do not introduce deprecations.

The 3.13 series is a landmark release for the language, introducing foundational changes to performance and developer experience.