December 2025 | Python 3.13 News

Python 3.13 was a —it laid the foundation for faster, parallel CPython but left both JIT and no-GIL as opt-in experiments. For most developers, the best features have been better error messages, @override , and internal performance tweaks.

The Python community is always working on new and exciting projects. Some areas to keep an eye on in the coming months include: python 3.13 news december 2025

By December 2025, @override appears in 42% of new large-scale Python projects (according to a JetBrains survey), making it one of the fastest-adopted typing features ever. Python 3