Python Release 3.13.1 November 2025 _hot_

The release addresses the most frequently reported problems from the 3.13.0 beta period:

“3.13.1 feels rock solid – the no-GIL mode still has rough edges, but the JIT preview is surprisingly snappy on PyPy-style workloads.” – Hacker News comment, Dec 2025 python release 3.13.1 november 2025