Sourced from astral-sh/uv's releases.
0.13.5
Release Notes
Released on 2026-10-21.
Following uv 0.13.4, which removed the affected eMudhra/emSign root from uv's own certificate store, this release updates the latest managed CPython builds for 3.11 and newer to python-build-standalone 20261021, including the CPython 3.15.1, 3.14.9, and 3.13.17 security patch releases. These builds include pip 26.2.2 both preinstalled in the managed interpreter and bundled with
ensurepip, which installs pip by default when you runpython -m venv. Both copies use certifi 2026.10.19, which removes the same affected root. After upgrading uv, runuv python upgradeto install the updated builds. Virtual environments pinned to an older Python patch version do not switch to the updated interpreter automatically. Upgrade pip separately in existing virtual environments.Please note upstream CPython 3.9 and 3.10 still bundle pip releases whose certificate bundles trust the affected eMudhra/emSign root. We recommend migrating off of those versions and will no longer be releasing Docker images with uv installed for EOL Python versions.
Enhancements
- Report incompatible self-dependencies directly in resolution errors (#21845)
Python
- Add CPython 3.15.1, 3.14.9, and 3.13.17 (#22802)
Preview features
- Select and rank wheel variants with no required properties or properties from PEP 850 static providers in platform-specific resolutions with
wheel-variants(#22535, #22536, #22687, #22688)Performance
- Reduce peak memory use when resolving dependencies across multiple environments (#22769, #22770, #22784)
- Speed up exports with complex transitive extras by resolving activation across the dependency graph (#22751)
- Reduce uv's binary size by keeping additional error formatters out of line (#22775)
- Reduce overhead when parsing custom build cache keys (#22749)
Bug fixes
- Lock packages distributed only as Android wheels without a source distribution (#22806)
- Export optional dependencies correctly when transitive extras are activated through different or incompatible environment paths (#22751)
- Reject invalid custom build cache keys instead of silently falling back to the defaults (#22749)
Security
- Reject certificate chains containing compromised eMudhra intermediate keys via
rustls-webpki0.103.16 (#22777)- Stop publishing uv Docker images based on Python 3.9 and 3.10 images that no longer receive upstream updates (#22773)
Install uv 0.13.5
Install prebuilt binaries via shell script
curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/uv/releases/download/0.13.5/uv-installer.sh | shInstall prebuilt binaries via powershell script
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Sourced from astral-sh/uv's changelog.
0.13.5
Released on 2026-10-21.
Following uv 0.13.4, which removed the affected eMudhra/emSign root from uv's own certificate store, this release updates the latest managed CPython builds for 3.11 and newer to python-build-standalone 20261021, including the CPython 3.15.1, 3.14.9, and 3.13.17 security patch releases. These builds include pip 26.2.2 both preinstalled in the managed interpreter and bundled with
ensurepip, which installs pip by default when you runpython -m venv. Both copies use certifi 2026.10.19, which removes the same affected root. After upgrading uv, runuv python upgradeto install the updated builds. Virtual environments pinned to an older Python patch version do not switch to the updated interpreter automatically. Upgrade pip separately in existing virtual environments.Please note upstream CPython 3.9 and 3.10 still bundle pip releases whose certificate bundles trust the affected eMudhra/emSign root. We recommend migrating off of those versions and will no longer be releasing Docker images with uv installed for EOL Python versions.
Enhancements
- Report incompatible self-dependencies directly in resolution errors (#21845)
Python
- Add CPython 3.15.1, 3.14.9, and 3.13.17 (#22802)
Preview features
- Select and rank wheel variants with no required properties or properties from PEP 850 static providers in platform-specific resolutions with
wheel-variants(#22535, #22536, #22687, #22688)Performance
- Reduce peak memory use when resolving dependencies across multiple environments (#22769, #22770, #22784)
- Speed up exports with complex transitive extras by resolving activation across the dependency graph (#22751)
- Reduce uv's binary size by keeping additional error formatters out of line (#22775)
- Reduce overhead when parsing custom build cache keys (#22749)
Bug fixes
- Lock packages distributed only as Android wheels without a source distribution (#22806)
- Export optional dependencies correctly when transitive extras are activated through different or incompatible environment paths (#22751)
- Reject invalid custom build cache keys instead of silently falling back to the defaults (#22749)
Security
- Reject certificate chains containing compromised eMudhra intermediate keys via
rustls-webpki0.103.16 (#22777)- Stop publishing uv Docker images based on Python 3.9 and 3.10 images that no longer receive upstream updates (#22773)
0.13.4
Released on 2026-10-20.
Preview features
- Validate PEP 825 variant metadata and treat package versions with invalid metadata as unavailable under
wheel-variants(#22512)Other changes
- Update the bundled Mozilla root certificates via
webpki-root-certs1.0.10 (#22760)
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46776a9
Use checked-in Python metadata for trampoline checks (#22811)5babfa9
Use checked-in Python download metadata for releases (#22810)06fbc97
Reject Cargo.lock changes from forks (#22381)b3c01fd
Prepare 0.13.5 (#22809)a02d446
Update to include Python 3.15.1, 3.14.9, 3.13.17 (#22802)0ee565f
Reproduce local-version marker rendering panic (#22807)e3810e1
Infer platform markers from Android wheel tags (#22806)75698b1
Update rustup in Docker builders (#22803)1765e51
Replace actions/attest-build-provenance action with actions/attest
v4.2.2 (#2...0abe802
Update Rust crate test-log to v0.2.21 (#19721)