0.12.15 0.12.16

low risk

astral-sh/uvSep 15, 2026 → Sep 18, 20263 days between releases

What's New

Adds artifact hash verification and Darwin platform markers with preview workflow features

New Features

  • Verify downloaded wheels and source distributions against hashes
  • Support Darwin platform release markers
  • Preview support for lock-without-metadata across dependency types

Improvements

  • Allow build-constraint-dependencies to include hashes
  • Honor Darwin platform release markers
  • Reject unsupported Git URL schemes in lockfiles
  • Honor credentials in uv upgrade

Bug Fixes

  • Redact Azure secrets in logs/output

Upgrade Notes

Hash verification is now enabled for wheels and source distributions. You may need to add hashes to `build-constraint-dependencies` entries. `uv upgrade` and `uv check` now respect credentials and index settings.

The Two Releases

0.12.15

0.12.15

Sep 15, 2026· 1 month ago

Addresses performance bottlenecks in caching and resolves regressions from the previous version affecting symlinked destinations and specific installation targets.

Full release notes
0.12.16

0.12.16

Sep 18, 2026· 1 month ago

Enhances security and compatibility by verifying downloaded artifacts against hashes and supporting Darwin platform markers, while introducing preview features for upgrade and check workflows.

Full release notes