Python 3.15.0 candidate 2 is here!
Python 3.15 release candidate 2 is out, final release due October 2026
“We strongly encourage maintainers of third-party Python projects to prepare their projects for 3.15 during this phase, and publish Python 3.15 wheels on PyPI to be ready for the final release of 3.15.0”
Python 3.15.0 release candidate 2 has been announced by release manager Hugo van Kemenade, with the stable release expected in October 2026. Maintainers are urged to test their packages against the RC now. This is a routine Python release cycle update with no direct AI industry signal.