A pointer to Bernát Gábor's full write-up of the May 15 packaging summit, with a short list of what changed for handbook readers.
Add a new variant of the Stable ABI, called “Stable ABI for Free-Threaded Python” (or abi3t for short).
A pointer to Bernát Gábor's full write-up of the May 15 packaging summit, with a short list of what changed for handbook readers.
Unless documented otherwise, Python’s C API is covered by the Backwards Compatibility Policy, PEP 387. Most changes to it are source-compatible (typically by only adding new API). Changing existing...
Per-talk notes from the PyCon US 2026 Packaging Summit in Long Beach: Emma Smith on Wheel 2.0 and Zstandard compression, Mike Fiedler on PyPI abuse vectors, Mahe Iram Khan on ecosystems, lightning talks on PEP 772, mobile wheels, AI accelerator variants, and the roundtable discussions.
Editor, Hugo van Kemenade,. This article explains the new features in Python 3.15, compared to 3.14. For full details, see the changelog. Summary – Release highlights: PEP 810: Explicit lazy import...
A final alpha and two bug fixes are awaiting your upgrade.
A new Python Packaging Council, PEP 803 stabilizes the free-threaded ABI, the incremental GC gets reverted, and Astral changes hands.