Python Release | News December 1 2025

Here is everything you need to know about the current state of Python as of December 1, 2025.

Now officially supported, allowing for true multi-core parallelism by removing the Global Interpreter Lock (GIL). python release news december 1 2025

Building on the JIT compiler introduced in 3.13, Python 3.14 optimizes the "Tier 2" optimizer. Here is everything you need to know about

A major shift occurred just weeks prior to December 1: on October 31, 2025. Final Release : Python 3.9.25 was the final security update. 2025. Now officially supported