On December 1, 2025, the Python Software Foundation (PSF) announced the official release of . This release marks a historic milestone in the language's history, serving as the first stable release where the free-threaded implementation (PEP 703) is officially supported as a build option, signaling the beginning of the end for the Global Interpreter Lock (GIL).
Now officially supported, allowing for true multi-core parallelism by removing the Global Interpreter Lock (GIL). python release news december 1 2025
“The feature freeze is a critical step toward ensuring a reliable release candidate,” said Łukasz Langa, Python Release Manager for 3.15. “We expect the first to arrive in late December, with the final stable release scheduled for April 2026 .” On December 1, 2025, the Python Software Foundation
: Just three days later, on December 5, 2025 , the Python Software Foundation (PSF) is expected to push Python 3.14.2 and 3.13.11 to provide critical security patches and maintenance updates. “The feature freeze is a critical step toward
(based on current planning documents):