“In November 2025, the Python Steering Council announced a critical security fix release 3.13.1 (retrospectively redesignated from 3.13.1+ due to a CVE-2025-XXXXX backport).”
3.13 introduced a Just-In-Time (JIT) compiler prototype.
Developers are reporting a 5% to 15% reduction in execution time for heavy logic loops without changing a single line of code. python 3.13.1 news november 2025
So there is .
Improved protection against supply-chain attacks within the interpreter's core C code. “In November 2025, the Python Steering Council announced
# Set it as your global version pyenv global 3.13.1
Syntax highlighting is now native, making it feel more like a mini-IDE than a terminal. “In November 2025
Thank you for being part of the Python community!