21CTO

Oct 8, 2024 · Fundamentals

What’s New in Python 3.13? Exploring Free Threading, JIT, and the Revamped REPL

Python 3.13, released on October 7, introduces experimental free‑threading to bypass the GIL, a new JIT compiler based on a copy‑and‑patch algorithm, an enhanced interactive REPL, incremental garbage collection, broader platform support, and API stability improvements, all aimed at boosting performance and scalability.