Python Release News December 1 2025 ★

Python 3.14 represents the biggest paradigm shift for the language in decades. By breaking the constraints of the GIL, Python positions itself as a true competitor in high-performance computing and modern multi-core application development, while maintaining the readability that made it famous.

As previously announced, has now entered security-fix-only mode as of November 2025. No more bugfixes or backports will be accepted. Users still on Python 3.13 are strongly encouraged to migrate to Python 3.14 or prepare for Python 3.15. python release news december 1 2025