The 3.13 series is transformative, laying the groundwork for high-performance Python without the Global Interpreter Lock (GIL). PEP 719 – Python 3.13 Release Schedule
Secondly, I'm not aware of any reputable paper or source that discusses a future release of Python 3.13.1 in November 2025. python release 3.13.1 november 2025
Below is a concise roundup of what developers can expect from 3.13.1, why the upgrade matters, and how to transition smoothly. The 3.13 series is transformative