astral-sh/python-build-standalone 20260623

on GitHub

Updates

• CPython 3.15.0b2 -> 3.15.0b3
• zlib 1.3.1 -> 1.3.2
• xz 5.8.1 -> 5.8.3
• libX11 1.6.12 -> 1.8.13
• libXau 1.0.11 -> 1.0.12
• xorgproto 2024.1 -> 2025.1

Distribution changes

• The Tcl/Tk DLLs in the Windows install_only_stripped artifacts are not stripped and retain embedded ZipFS data needed for the tkinter module.

Build system changes

• The legacy build-{linux,macos,windows}.py scripts were removed. Use build.py or uv run build.py on all platforms.

Full Changelog: 2026061...2026062