Notes [best] | Python 3.13.8 Release

: Significantly improved tracebacks and error reporting to streamline debugging. Resources & Documentation

: Note that 3.13.8 has since been superseded by more recent versions like 3.13.13, which includes cumulative fixes and security updates. The Foundations: What 3.13.8 Refines

: Support for running Python without the Global Interpreter Lock (GIL), allowing threads to run in parallel on multi-core systems.

Python 3.13.8 is the of the Python 3.13 series , officially released on October 7, 2025 . This version focuses on stability, containing approximately 200 bugfixes , build improvements, and documentation updates since the previous 3.13.7 release.