Python 3.14.0 Release October 7 2025 -

To mark the release, the PSF is hosting a on October 8–9, 2025. Developers are encouraged to port their projects, run benchmarks, and share performance gains using the hashtag #Python314 .

The Global Interpreter Lock (GIL) can now be disabled in officially supported builds. Benchmarks show that CPU-bound tasks can run 2–3x faster on multi-core systems when using the free-threaded interpreter ( python3.14t ). python 3.14.0 release october 7 2025

Python 3.13 introduced an experimental copy-and-patch JIT compiler. Reviews of 3.14 will likely focus on how much this JIT has evolved. The expectation is that the JIT will move from experimental to a standard (or easily toggled) feature, offering noticeable speedups for long-running scripts. To mark the release, the PSF is hosting

The stable release of occurred on October 7, 2025 . This version, often nicknamed "Pie-thon" due to its version number, introduced significant performance optimizations and major language features like template strings (t-strings) and a zero-overhead debugging interface. Key Features and Improvements Benchmarks show that CPU-bound tasks can run 2–3x

If the current alpha trajectory holds,