Python Release November 2025 Jun 2026

PEP 686 makes UTF-8 the default encoding for open files, removing locale-dependent inconsistencies.

As we head into 2026, the question is no longer "Is Python fast enough?" but rather, "What will you build with all those extra cores?" python release november 2025

November 2025 marks the end of an era of "Python is slow" jokes. By tackling the GIL head-on and instituting a period of stability, the Python Software Foundation has signaled that maturity and performance are the new priorities. PEP 686 makes UTF-8 the default encoding for

Experimental work on PEP 810 began, aiming to reduce application startup times. The End of an Era: Python 3.9 EOL Experimental work on PEP 810 began, aiming to

: A major milestone (PEP 703) that allows running Python without the Global Interpreter Lock (GIL) , enabling true multi-core parallelism through an optional build variant [6, 18, 31].