Download from python.org/downloads/release/python-3131/ Note: 3.13.1 installers are available for Windows, macOS, and Linux (static binary).

Python 3.13 introduced a Just-In-Time (JIT) compiler (copy-and-patch style) to speed up execution.

A special thank you to the who submitted patches since October. The release would not be possible without volunteers, testers, and documentation writers.

The majority of this release addresses edge cases discovered in the first two months of the 3.13 series. Notable fixes include:

Python 3.13.1 Released December 2025: Stability, No-GIL Progress, and Core Ecosystem Adoption