uv 0.10.5

on Python PyPI

Release Notes

Released on 2026-02-23.

Enhancements

• Add hint when named index is found in a parent config file (#18087)
• Add warning for uv lock --frozen (#17859)
• Attempt to use reflinks by default on Linux (#18117)
• Fallback to hardlinks after reflink failure before copying (#18104)
• Filter pylock.toml wheels by tags and requires-python (#18081)
• Validate wheel filenames are normalized during uv publish (#17783)
• Fix message when exclude-newer invalidates the lock file (#18100)
• Change the missing files log level to debug (#18075)

Performance

• Improve performance of repeated conflicts with an extra (#18094)

Bug fixes

• Fix --no-emit-workspace with --all-packages on single-member workspaces (#18098)
• Fix UV_NO_DEFAULT_GROUPS rejecting truthy values like 1 (#18057)
• Fix iOS detection (#17973)
• Propagate project-level conflicts to package extras (#18096)
• Use a global build concurrency semaphore (#18054)

Documentation

• Update documentation heading for environment variable files (#18122)
• Fix comment about uv export formats (#17900)
• Make it clear that Windows is supported in user- and system- level configuration docs (#18106)

Install uv 0.10.5

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/uv/releases/download/0.10.5/uv-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://github.com/astral-sh/uv/releases/download/0.10.5/uv-installer.ps1 | iex"

Download uv 0.10.5

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>