Python 3.13 Stable Release 2025 _best_ May 2026

: The Python 3.13 branch is now in security-fix-only mode. All users are encouraged to upgrade to Python 3.14, released in October 2025 as well (following the annual schedule). Disclaimer: This text is a forward-looking description based on plans discussed up to 2023. Always check the official Python documentation for the exact features and release dates.

As of my knowledge cutoff in October 2023, Python 3.13 has not yet been released, and its stable release is projected for October 2025, following the typical annual release cycle of Python (PEP 602). However, please note that , and you should verify with official sources like python.org or the Python Developer’s Guide for the most current information. python 3.13 stable release 2025