Release Notes
Released on 2026-06-03.
Python
- Add CPython 3.15.0b2 (#19531)
Enhancements
- Always compute SHA256 for remote distributions (#19662)
- Add PyEmscripten platform (PEP 783) (#19629)
- Add Pyodide 2025 target triple (#19653)
Preview features
- Make preview features for commands have names that aren't ambiguous with the command (#19645)
- Respect
--isolatedinuv check(#19666)
Bug fixes
- Continue tool uninstall after dangling receipts (#19623)
- Skip Unix-specific installation steps when cross-installing Windows Python distributions (#19424)
Install uv 0.11.19
Install prebuilt binaries via shell script
curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/uv/releases/download/0.11.19/uv-installer.sh | shInstall prebuilt binaries via powershell script
powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/uv/releases/download/0.11.19/uv-installer.ps1 | iex"Download uv 0.11.19
Verifying GitHub Artifact Attestations
The artifacts in this release have attestations generated with GitHub Artifact Attestations. These can be verified by using the GitHub CLI:
gh attestation verify <file-path of downloaded artifact> --repo astral-sh/uvYou can also download the attestation from GitHub and verify against that directly:
gh attestation verify <file-path of downloaded artifact> --bundle <file-path of downloaded attestation>