v0.5.9

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Enhancements

• Fork version selection based on requires-python requirements (#​9827)
• Patch sysconfig data at install time (#​9857)
• Remove -isysroot when patching sysconfig (#​9860)

Configuration

• Introduce a --fork-strategy preference mode (#​9868)
• Add support for UV_OFFLINE (#​9795)

Bug fixes

• Avoid panic!() when current directory does not exist (#​9876)
• Avoid reusing interpreter metadata when running under Rosetta (#​9846)
• Avoid trailing slash when deserializing from lockfile (#​9848)
• Fix bug in terms when collapsing unavailable versions in resolver errors (#​9877)
• Fix suggestion to use uv help python on invalid install requests (#​9820)
• Skip root when assessing prefix viability (#​9823)
• Avoid spurious 'Upgraded tool environment' in uv tool upgrade (#​9870)

Rust API

• Upgrade minimum Rust version to 1.83 (#​9815)

Documentation

• Document the --fork-strategy setting (#​9887)

Preview features

• Build backend: Allow underscores in entrypoints (#​9825)

v0.5.8

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This release does not include the powerpc64le-unknown-linux-musl target due to a build issue. See #​9793 for details. If this change affects you, please file an issue with your use-case.

Enhancements

• Omit empty resolution markers in lockfile (#​9738)
• Add --install-dir to to uv python install and uninstall commands (#​7920)
• Add --show-urls and --only-downloads to uv python list (#​8062)
• Add uv python list --all-arches (#​9782)
• Add uv run --gui-script flag for running Python scripts with pythonw.exe (#​9152)
• Allow --gui-script on Unix (#​9787)
• Allow download of Python distribution variants optimized for newer x86_64 microarchitectures (#​9781)
• Allow execution of pyw files on Unix (#​9759)
• Allow users to specify URLs in project.dependencies and tool.uv.sources (#​9718)
• Encode mutually-incompatible pairs of markers (#​9444)
• Improve the error message when a Python install request is not valid (#​9783)
• Preserve directory-level standalone build symlinks (#​9723)
• Add support for uv publish --index <name> (#​9694)
• Reframe --locked and --frozen as --check operations for uv lock (#​9662)
• Rename Python install scratch directory from .cache -> .temp (#​9756)
• Enable uv tool uninstall uv on Windows (#​8963)
• Improve self-dependency hint to make shadowing clear (#​9716)
• Refactor unavailable metadata to shrink the resolver (#​9769)
• Show 'depends on itself' for proxy packages (#​9717)
• Show a dedicated error for missing subdirectories (#​9761)
• Show a dedicated hint for missing git+ prefixes (#​9789)

Performance

• Eagerly error when parsing pyproject.toml requirements (#​9704)
• Use copy-on-write when normalizing paths (#​9710)

Bug fixes

• Avoid enforcing non-conflicts in uv export (#​9751)
• Don't drop comments between items in TOML tables (#​9784)
• Don't fail with --no-build when static metadata is available (#​9785)
• Don't filter non-patch registry version (#​9736)
• Don't read metadata from stale .egg-info files (#​9760)
• Enforce correctness of self-dependencies (#​9705)
• Fix projects's typo in resolver error messages (#​9708)
• Ignore . prefixed directories during managed Python installation discovery (#​9786)
• Improve handling of invalid virtual environments during interpreter discovery (#​8086)
• Normalize relative paths when --project is specified (#​9709)
• Respect self-constraints on recursive extras (#​9714)
• Respect user settings for tracing coloring (#​9733)
• Retry on tar extraction errors (#​9753)
• Add conflict markers to the lock file (#​9370)
• De-duplicate resolution markers (#​9780)
• Avoid 403 error hint for PyTorch URLs (#​9750)
• Avoid treating non-existent --find-links as relative URLs (#​9720)
• Omit Windows Store python3.13.exe et al (#​9679)
• Replace executables with broken symlinks during uv python install (#​9706)

Documentation

• Fix build failure links (#​9740)

v0.5.7

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Enhancements

• Ignore dynamic version in source dist (#​9549)
• Improve build frontend error handling (#​9611)
• Un-hide uv build --no-build-logs option (#​9642)
• Flag version mismatch between sdist and wheel during uv build (#​9633)
• Improve message when updater receipt is for a different uv executable (#​9487)
• Add environment variable to disable writing installer metadata files (#​8877)
• Add managed downloads for the latest CPython releases: 3.9.21, 3.10.16, 3.11.11, 3.12.8, and 3.13.1 (#​9696)

Preview features

• Build backend: Add hint on import with preview disabled (#​9691)
• Build backend: Add direct builds to the resolver and installer (#​9621)
• Build backend: Add integration test for scripts (#​9635)
• Build backend: Add template to uv init (#​9661)
• Build backend: Add --list option (#​9610)

Bug fixes

• Create missing parent directories for output file of uv export / uv pip compile (#​9648)
• Fix missing display of non-freethreaded Python 3.13 in python list (#​9669)
• Implement Ord and PartialOrd without origin for Requirement (#​9624)
• Include more sources to avoid lowest bound warning (#​9644)
• Respect build tag priority in uv.lock (#​9677)

Documentation

• Add build-essentials note to build failures doc (#​9641)
• Add entry-point for distroless image in GitLab documentation (#​9093)
• Add documentation for uv python pin without a REQUEST argument (#​9631)
• Add a link to uv python pin reference docs (#​9630)

v0.5.6

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Enhancements

• Add --dry-run to uv pip uninstall (#​9557)
• Allow --constraints and --overrides in uv tool install (#​9547)
• Display removed Python executables on uninstall (#​9459)
• Warn when keyring has no password for uv publish (#​8827)
• Add suggested action when .python-version pin is incompatible with the project (#​9590)
• Improve error messages for mismatches in tool.uv.sources (#​9482)
• Use constraints in trace rather than irrelevant requires-python (#​9529)

Preview features

• Add uv python install --default (#​8650)
• Fix Python executable installation when multiple patch versions are requested (#​9607)
• Build backend: Revamp include / exclude (#​9525)
• Build backend: Add fast path (#​9556)
• Build backend: Add functions to collect file list (#​9602)
• Build backend: Default excludes (#​9552)
• Build backend: Refactoring before list (#​9558)
• Build backend: Warn when visiting over 10k files (#​9523)

Configuration

• Make check-url available in configuration files (#​9032)

Performance

• Avoid adding non-extra package with extra dependencies (#​9540)
• Avoid cloning String in marker evaluation (#​9598)

Rust API

• uv-pep508: Add more methods for simplifying extra-related expressions (#​9469)

Bug fixes

• Allow file: URLs to include package names (#​9493)
• Avoid using IDs across PubGrub states (#​9538)
• Consistently enforce requested-vs.-built metadata when retrieving wheels (#​9484)
• Do not show empty version specifier in uv tool list (#​9605)
• Include Git member information when getting metadata from cache (#​9388)
• Include base installation directory in uv run PATH (#​9585)
• Insert backslash when appending to system drive (#​9488)
• Normalize paths when lowering Git dependencies (#​9595)
• Omit origin when comparing requirements (#​9570)
• Override manylinux_compatible with --python-platform (#​9526)
• Pass extra when evaluating lockfile markers (#​9539)
• Propagate markers for recursive extras in resolver (#​9509)
• Respect path dependencies within Git dependencies (#​9594)
• Support recursive extras with marker in pip compile -r pyproject.toml (#​9535)
• Don't emit unpinned warning for proxy packages (#​9497)
• Fix --refresh-package flag mentioned as --refresh-dependency (#​9486)
• Handle Windows AV/EDR file locks during script installations (#​9543)
• Re-enable conflicting extra/group tests and fix regression from #​9540 (#​9582)

Documentation

• Add missing word to docs for run.md (#​9527)
• Add policies reference section and license document (#​9367)
• Fix typo in entry point docs (#​9491)
• Fix up version in prior uninstall instructions (#​9485)
• Mention uv pip behavior in build system note (#​9586)
• Update build failures document (#​9584)
• Correct wording for multiple sources section (#​9504)