When Was Python: 3.13 Released

Python 3.13 introduces the foundation for a JIT compiler. While still experimental and not enabled by default in the final release, this represents a massive shift in how Python executes code. It translates bytecode into machine code at runtime, which can speed up long-running programs.

What's New In Python 3.13 — Python 3.14.5rc1 documentation when was python 3.13 released

The development of Python 3.13 followed a strict schedule to ensure stability before the final launch: Python 3