astral-sh/uv 0.5.31

on GitHub

Release Notes

Enhancements

• Add uv sync --script (#11361)
• Allow PEP 508 requirements in tool requests (#11337)
• Allow source distributions to produce wheels with +local suffixes (#11429)
• Bring parity to uvx and uv tool install requests (#11345)
• Use a stable directory for local, remote, and stdin script virtual environments (#11347, #11364)
• Detect infinite recursion in uv run (#11386)

Python

The managed Python distributions have been updated, including:

• CPython 3.14.0a5, which includes a new tail calling interpreter for a significant performance improvement
• The bundled OpenSSL version was updated from 3.0.15 to 3.0.16 which fixes a security advisory

See the python-build-standalone release notes for more details.

Bug fixes

• Fix cross-drive script installation (#11167)
• Add indexes in priority order (#11451)
• Allow --python <dir> requests to match existing environments if sys.executable is the same file (#11290)
• Avoid comparing to system site packages in --dry-run mode (#11427)
• Prefer running executables in the environment with <name> over <name>/__main__.py (#11431)
• Retry local clones without hardlinks if they fail (#11421)

Documentation

• Update alternative-indexes.md to use UV_INDEX instead of UV_EXTRA_INDEX_URL (#11381)
• Update scripts guide to include using package indexes (#11443)

Install uv 0.5.31

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/uv/releases/download/0.5.31/uv-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://github.com/astral-sh/uv/releases/download/0.5.31/uv-installer.ps1 | iex"

Download uv 0.5.31