0.12.12 0.12.13
low risk
astral-sh/uvSep 9, 2026 → Sep 10, 20261 day between releases
What's New
Adds GraalPy 3.13 support and verifies PEP 658 metadata sidecars.
New Features
- GraalPy 3.13.0 support
- Hash verification for PEP 658 metadata sidecars
Improvements
- Performance optimization: reuses hashes to avoid full wheel downloads during resolution
- Enhanced security by verifying PEP 658 metadata sidecar hashes
- Windows launcher updated to support Nano Server and reduce antivirus issues
Bug Fixes
- Prefer core-metadata over legacy aliases in JSON index responses
- Edit Windows entry-point launcher resources in memory for Nano Server support
Upgrade Notes
This is a patch release with no configuration changes required. Note that `uv check` now respects `ty` exclusions in preview mode.
The Two Releases
0.12.12
0.12.12
Sep 9, 2026· 1 month ago
Executables for macOS and Windows are now code-signed with Apple Developer ID and Azure Artifact Signing to improve security, publisher verification, and reduce antivirus false positives.
Full release notes0.12.13
0.12.13
Sep 10, 2026· 1 month ago
This release adds support for GraalPy 3.13.0, enhances security by verifying PEP 658 metadata sidecars, and optimizes performance by reusing hashes during dependency resolution.
Full release notes