uv Files

Release Notes

Enhancements

• Add support for HF_TOKEN (#14797)
• Allow --config-settings-package to apply configuration settings at the package level (#14573)
• Create (e.g.) python3.13t executables in uv venv (#14764)
• Disallow writing symlinks outside the source distribution target directory (#12259)
• Elide traceback when python -m uv in interrupted with Ctrl-C on Windows (#14715)
• Match --bounds formatting for uv_build bounds in uv init (#14731)
• Support extras and dependency_groups markers in PEP 508 grammar (#14753)
• Support extras and dependency_groups markers on uv pip install and uv pip sync (#14755)
• Add hint to use uv self version when uv version cannot find a project (#14738)
• Improve error reporting when removing Python versions from the Windows registry (#14722)
• Make warnings about masked [tool.uv] fields more precise (#14325)

Preview features

• Emit JSON output in uv sync with --quiet (#14810)

Bug fixes

• Allow removal of virtual environments with missing interpreters (#14812)
• Apply Cache-Control overrides to response, not request headers (#14736)
• Copy entry points into ephemeral environments to ensure layers are respected (#14790)
• Workaround Jupyter Lab application directory discovery in ephemeral environments (#14790)
• Enforce requires-python in pylock.toml (#14787)
• Fix kebab casing of README variants in build backend (#14762)
• Improve concurrency resilience of removing Python versions from the Windows registry (#14717)
• Retry HTTP requests on invalid data errors (#14703)
• Update virtual environment removal to delete pyvenv.cfg last (#14808)
• Error on unknown fields in dependency-metadata (#14801)

Documentation

• Recommend installing setup-uv after setup-python in Github Actions integration guide (#14741)
• Clarify which portions of requires-python behavior are consistent with pip (#14752)

Install uv 0.8.1

Install prebuilt binaries via shell script

:::sh
curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/uv/releases/download/0.8.1/uv-installer.sh | sh

Install prebuilt binaries via powershell script

:::sh
powershell -ExecutionPolicy Bypass -c "irm https://github.com/astral-sh/uv/releases/download/0.8.1/uv-installer.ps1 | iex"

Download uv 0.8.1