Python 3.13.1 Released Nov 2025 Jun 2026

November 2025 Author: [Your Name/Organization]

The removal of the GIL in 3.13 was the most talked-about feature in years. Version 3.13.1 includes significant stability patches for the free-threaded build (available via the --disable-gil build flag). python 3.13.1 released nov 2025