Python 3.13.1 Released Today ((new)) Jun 2026

This release includes patches that improve the stability of the free-threading build, making it safer for library maintainers to begin testing their code for a multi-threaded future. However, the Python team still cautions that this is an experimental feature; it should not yet be used for production workloads, but 3.13.1 is a much better starting point for experimentation than 3.13.0.

Maintenance updates (bugfixes) will continue until October 2026 . python 3.13.1 released today

If these affect you, stick with 3.12.7 for now. This release includes patches that improve the stability

Python 3.13.1 is the bridge that makes that future walkable. If these affect you, stick with 3

In the world of Python, the .0 release is the debutante ball—it shows off the new features. The .1 release is the shakedown cruise.

Pasting multi-line code would sometimes insert extra newlines or corrupt indentation. — pasting now works correctly across all major terminal emulators.