uv 0.5.27

on Python PyPI

Release Notes

Enhancements

• Avoid setting permissions during tar extraction (#11191)
• Remove warnings for missing lower bounds (#11195)
• Update PubGrub to set-based outdated priority tracking (#11169)
• Improve error messages for uv pip install with --extra or --all-extras and invalid sources (#11193)
• Sign Docker images using GitHub attestations (#8685)

Preview features

• Don't expand self-referential extras in the build backend (#11142)

Performance

• Filter discovered Python executables by source before querying (#11143)
• Optimize exclusion computation for markers (#11158)
• Use Astral-maintained tokio-tar fork (#11174)
• Remove unneeded .clone() (#11127)

Bug fixes

• Fix relative paths in bytecode compilation (#11177)
• Percent-decode URLs in canonical comparisons (#11088)
• Respect concurrency limits in parallel index fetch (#11182)
• Use wire JSON schema for conflict items (#11196)
• Use explicit _GLibCVersion tuple in uv-python crate (#11122)

Documentation

• Add Git SHA locking behavior to docs (#11125)
• Add best-practice flags to pip install example in troubleshooting guide (#11194)
• Set VIRTUAL_ENV in Jupyter kernels (#11155)
• Add instructions for deactivating an environment (#11200)

Install uv 0.5.27

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/uv/releases/download/0.5.27/uv-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://github.com/astral-sh/uv/releases/download/0.5.27/uv-installer.ps1 | iex"

Download uv 0.5.27