Python Release 2025 December News Link
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.
While alphas are not for production, this preview reveals what the core team has been building since September. | Feature | Status in Alpha 1 | | :--- | :--- | | No-GIL Build (PEP 703) | Fully merged, --disable-gil now stable. | | Immortal Objects (PEP 683) | On by default for all builds. | | Enhanced match statement | Support for || (or) inside patterns. | | re engine rewrite | 2x faster on complex regexes. | python release 2025 december news
Let’s break down the actual state of play for Python releases in December 2025. December 2025 marks the first bugfix release for the Python 3.14 series. Python 3.14.0 was the blockbuster "Halloween Release" (October 2025), featuring the highly anticipated Just-In-Time (JIT) compiler (enabled by default) and the removal of deprecated distutils . The "Free-Threaded" future is here