Python 3.13.1 Released December 2025 [WORKING]

What's New In Python 3.13 — Python 3.14.5rc1 documentation

: The new default REPL, based on PyPy technology, offers multi-line editing, colorized tracebacks, and preservation of command history, making the terminal experience far more intuitive. python 3.13.1 released december 2025

To understand the health of Python 3.13 in late 2025, it helps to review the progression of its maintenance releases: Release Date Primary Focus Key Fixes / Enhancements December 2024 Initial Stabilization ~400 bugfixes, PyREPL isolation, CVE-2024-50602 patch. 3.13.2 to 3.13.9 Feb – Oct 2025 Ecosystem Alignment Third-party library support, performance tuning. 3.13.10 Dec 2, 2025 Production Hardening C API refinements, memory allocation stability. 3.13.11 Dec 5, 2025 Urgent Regression Hotfix Resolved multiprocessing exceptions and re.Scanner crashes. 🚀 True Parallelism: The No-GIL Breakthrough What's New In Python 3