Python Release News December 20 2025 !!install!! Jun 2026
: Released on December 16, 2025 , the third alpha of Python 3.15 is now available for testing.
Users are encouraged to test their code bases against the new release. While the core language syntax remains backward compatible with Python 3.12 and 3.13, the removal of deprecated modules may require adjustments for legacy codebases. python release news december 20 2025