In the Python world, December is typically the month for the first of the new annual version.
If you were thinking of the December 2024 release, that was Python 3.13.1 . If you were thinking of the October 2025 release, that is Python 3.14.0 . There is no major release scheduled for December 2025. python release 2025 december news
While 3.14 is the current standard, development of is already in full swing. According to the official PEP 790 release schedule , December marks a key milestone in the alpha phase: In the Python world, December is typically the
The "Free-Threaded" future is here. In the 3.15 alpha, you can compile Python without the Global Interpreter Lock (GIL). For pure Python threaded workloads, early benchmarks show a 20-40% speedup on multi-core machines. In the Python world