That python3.8 script that runs your legacy ETL job? It stops working in 16 days. Upgrade now.
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. 4. What Didn't Happen in December 2025 Rumors had been swirling about PEP 688 – Disabling the GIL by default , but that has been postponed to Python 3.16 (scheduled for October 2026). The December 2025 release notes confirm that the no-GIL build remains opt-in via a compile flag. python release 2025 december news
By [Your Name] | December 15, 2025