Release Notes Verified - Python 313

The following tables provide a summary of the new features, improvements, and bug fixes in Python 3.13:

Verified: A copy-and-patch JIT compiler is added behind a build flag ( --enable-experimental-jit ). Reality: Not a speed miracle yet. It translates bytecode to machine code at runtime, but initial benchmarks show modest gains (5–15% in some loops). The foundation is laid — expect major improvements in 3.14. python 313 release notes verified