Python 3.13.1 Released December 2025 !!better!! Jun 2026

The Python Software Foundation and the core development team are pleased to announce the release of , the first bugfix release in the Python 3.13 series.

Download from python.org/downloads/release/python-3131/ Note: 3.13.1 installers are available for Windows, macOS, and Linux (static binary). python 3.13.1 released december 2025

: 3.13 laid the groundwork for future performance leaps with a preliminary Just-In-Time compiler. The Python Software Foundation and the core development

: Perhaps the most significant experimental shift, this mode allows threads to run concurrently by disabling the Global Interpreter Lock, a major win for CPU-bound tasks in 2025. python 3.13.1 released december 2025