The Python development team is pleased to announce the release of Python 3.13.1, a minor bugfix update to the Python 3.13 series. This release is primarily focused on addressing bugs and making performance improvements.
A preliminary JIT compiler was added, providing a 2% to 9% performance boost in initial tests and setting the stage for future optimizations. python 3.13.1 release notes december 2025
This release includes several performance enhancements: The Python development team is pleased to announce