uv 0.9.9

on Python PyPI

Release Notes

Released on 2025-11-12.

Deprecations

• Deprecate use of --project in uv init (#16674)

Enhancements

• Add iOS support to Python interpreter discovery (#16686)
• Reject ambiguously parsed URLs (#16622)
• Allow explicit values in uv version --bump (#16555)
• Warn on use of managed pre-release Python versions when a stable version is available (#16619)
• Allow signing trampolines on Windows by using .rcdata to store metadata (#15068)
• Add --only-emit-workspace and similar variants to uv export (#16681)

Preview features

• Add uv workspace dir command (#16678)
• Add uv workspace metadata command (#16516)

Configuration

• Add UV_NO_DEFAULT_GROUPS environment variable (#16645)

Bug fixes

• Remove torch-model-archiver and torch-tb-profiler from PyTorch backend (#16655)
• Fix Pixi environment detection (#16585)

Documentation

• Fix CMD path in FastAPI Dockerfile (#16701)

Install uv 0.9.9

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/uv/releases/download/0.9.9/uv-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://github.com/astral-sh/uv/releases/download/0.9.9/uv-installer.ps1 | iex"

Download uv 0.9.9

Verifying GitHub Artifact Attestations

The artifacts in this release have attestations generated with GitHub Artifact Attestations. These can be verified by using the GitHub CLI:

gh attestation verify <file-path of downloaded artifact> --repo astral-sh/uv

You can also download the attestation from GitHub and verify against that directly:

gh attestation verify <file-path of downloaded artifact> --bundle <file-path of downloaded attestation>