0.13.3 0.13.4

medium risk

astral-sh/uvOct 20, 2026 → Oct 20, 20261 day between releases

What's New

Updates bundled Mozilla root certificates to fix a security vulnerability and validates PEP 825 variant metadata.

New Features

  • Validates PEP 825 variant metadata and treats invalid versions as unavailable under wheel-variants

Improvements

  • Updates bundled Mozilla root certificates via webpki-root-certs 1.0.10 to address a compromised CA

Upgrade Notes

Upgrade immediately to address the compromised root CA and verify other software using bundled CAs. Note that packages with invalid PEP 825 metadata may become unavailable under wheel-variants.

The Two Releases

0.13.3

0.13.3

Oct 20, 2026· 2 days ago

This release focuses on performance optimization, specifically addressing severe slowdowns in the `uv export` command when handling dependency graphs containing extras.

Full release notes
0.13.4

0.13.4

Oct 20, 2026· 2 days ago

Full release notes