Python 3.13.1 | Released Dec 2025

At precisely 14:00 UTC on December 16, 2025, the release manager clicked the green “Publish” button.

But for the Python core development team, the calendar was a ticking clock. python 3.13.1 released dec 2025

“In the past, a December patch would have been risky,” said Vance, sipping a lukewarm mug of glögg. “But we designed 3.13 to be patchable . The JIT, the no-GIL mode… they’re modular. 3.13.1 proves we can move fast and fix things fast without breaking the 2,000,000 packages on PyPI.” At precisely 14:00 UTC on December 16, 2025,