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CHANGELOG.md
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# Changelog
## 0.5.9
### Enhancements
- Fork version selection based on `requires-python` requirements ([#9827](https://github.com/astral-sh/uv/pull/9827))
- Patch `sysconfig` data at install time ([#9857](https://github.com/astral-sh/uv/pull/9857))
- Remove `-isysroot` when patching sysconfig ([#9860](https://github.com/astral-sh/uv/pull/9860))
### Configuration
- Introduce a `--fork-strategy` preference mode ([#9868](https://github.com/astral-sh/uv/pull/9868))
- Add support for `UV_OFFLINE` ([#9795](https://github.com/astral-sh/uv/pull/9795))
### Bug fixes
- Avoid `panic!()` when current directory does not exist ([#9876](https://github.com/astral-sh/uv/pull/9876))
- Avoid reusing interpreter metadata when running under Rosetta ([#9846](https://github.com/astral-sh/uv/pull/9846))
- Avoid trailing slash when deserializing from lockfile ([#9848](https://github.com/astral-sh/uv/pull/9848))
- Fix bug in terms when collapsing unavailable versions in resolver errors ([#9877](https://github.com/astral-sh/uv/pull/9877))
- Fix suggestion to use `uv help python` on invalid install requests ([#9820](https://github.com/astral-sh/uv/pull/9820))
- Skip root when assessing prefix viability ([#9823](https://github.com/astral-sh/uv/pull/9823))
- Avoid spurious 'Upgraded tool environment' in `uv tool upgrade` ([#9870](https://github.com/astral-sh/uv/pull/9870))
### Rust API
- Upgrade minimum Rust version to 1.83 ([#9815](https://github.com/astral-sh/uv/pull/9815))
### Documentation
- Document the `--fork-strategy` setting ([#9887](https://github.com/astral-sh/uv/pull/9887))
### Preview features
- Build backend: Allow underscores in entrypoints ([#9825](https://github.com/astral-sh/uv/pull/9825))
## 0.5.8
**This release does not include the `powerpc64le-unknown-linux-musl` target due to a build issue. See [#9793](https://github.com/astral-sh/uv/issues/9793) for details. If this change affects you, please file an issue with your use-case.**
### Enhancements
- Omit empty resolution markers in lockfile ([#9738](https://github.com/astral-sh/uv/pull/9738))
- Add `--install-dir` to to `uv python install` and `uninstall` commands ([#7920](https://github.com/astral-sh/uv/pull/7920))
- Add `--show-urls` and `--only-downloads` to `uv python list` ([#8062](https://github.com/astral-sh/uv/pull/8062))
- Add `uv python list --all-arches` ([#9782](https://github.com/astral-sh/uv/pull/9782))
- Add `uv run --gui-script` flag for running Python scripts with `pythonw.exe` ([#9152](https://github.com/astral-sh/uv/pull/9152))
- Allow `--gui-script` on Unix ([#9787](https://github.com/astral-sh/uv/pull/9787))
- Allow download of Python distribution variants optimized for newer x86_64 microarchitectures ([#9781](https://github.com/astral-sh/uv/pull/9781))
- Allow execution of `pyw` files on Unix ([#9759](https://github.com/astral-sh/uv/pull/9759))
- Allow users to specify URLs in `project.dependencies` and `tool.uv.sources` ([#9718](https://github.com/astral-sh/uv/pull/9718))
- Encode mutually-incompatible pairs of markers ([#9444](https://github.com/astral-sh/uv/pull/9444))
- Improve the error message when a Python install request is not valid ([#9783](https://github.com/astral-sh/uv/pull/9783))
- Preserve directory-level standalone build symlinks ([#9723](https://github.com/astral-sh/uv/pull/9723))
- Add support for `uv publish --index <name>` ([#9694](https://github.com/astral-sh/uv/pull/9694))
- Reframe `--locked` and `--frozen` as `--check` operations for `uv lock` ([#9662](https://github.com/astral-sh/uv/pull/9662))
- Rename Python install scratch directory from `.cache` -> `.temp` ([#9756](https://github.com/astral-sh/uv/pull/9756))
- Enable `uv tool uninstall uv` on Windows ([#8963](https://github.com/astral-sh/uv/pull/8963))
- Improve self-dependency hint to make shadowing clear ([#9716](https://github.com/astral-sh/uv/pull/9716))
- Refactor unavailable metadata to shrink the resolver ([#9769](https://github.com/astral-sh/uv/pull/9769))
- Show 'depends on itself' for proxy packages ([#9717](https://github.com/astral-sh/uv/pull/9717))
- Show a dedicated error for missing subdirectories ([#9761](https://github.com/astral-sh/uv/pull/9761))
- Show a dedicated hint for missing `git+` prefixes ([#9789](https://github.com/astral-sh/uv/pull/9789))
### Performance
- Eagerly error when parsing `pyproject.toml` requirements ([#9704](https://github.com/astral-sh/uv/pull/9704))
- Use copy-on-write when normalizing paths ([#9710](https://github.com/astral-sh/uv/pull/9710))
### Bug fixes
- Avoid enforcing non-conflicts in `uv export` ([#9751](https://github.com/astral-sh/uv/pull/9751))
- Don't drop comments between items in TOML tables ([#9784](https://github.com/astral-sh/uv/pull/9784))
- Don't fail with `--no-build` when static metadata is available ([#9785](https://github.com/astral-sh/uv/pull/9785))
- Don't filter non-patch registry version ([#9736](https://github.com/astral-sh/uv/pull/9736))
- Don't read metadata from stale `.egg-info` files ([#9760](https://github.com/astral-sh/uv/pull/9760))
- Enforce correctness of self-dependencies ([#9705](https://github.com/astral-sh/uv/pull/9705))
- Fix projects's typo in resolver error messages ([#9708](https://github.com/astral-sh/uv/pull/9708))
- Ignore `.` prefixed directories during managed Python installation discovery ([#9786](https://github.com/astral-sh/uv/pull/9786))
- Improve handling of invalid virtual environments during interpreter discovery ([#8086](https://github.com/astral-sh/uv/pull/8086))
- Normalize relative paths when `--project` is specified ([#9709](https://github.com/astral-sh/uv/pull/9709))
- Respect self-constraints on recursive extras ([#9714](https://github.com/astral-sh/uv/pull/9714))
- Respect user settings for tracing coloring ([#9733](https://github.com/astral-sh/uv/pull/9733))
- Retry on tar extraction errors ([#9753](https://github.com/astral-sh/uv/pull/9753))
- Add conflict markers to the lock file ([#9370](https://github.com/astral-sh/uv/pull/9370))
- De-duplicate resolution markers ([#9780](https://github.com/astral-sh/uv/pull/9780))
- Avoid 403 error hint for PyTorch URLs ([#9750](https://github.com/astral-sh/uv/pull/9750))
- Avoid treating non-existent `--find-links` as relative URLs ([#9720](https://github.com/astral-sh/uv/pull/9720))
- Omit Windows Store `python3.13.exe` et al ([#9679](https://github.com/astral-sh/uv/pull/9679))
- Replace executables with broken symlinks during `uv python install` ([#9706](https://github.com/astral-sh/uv/pull/9706))
### Documentation
- Fix build failure links ([#9740](https://github.com/astral-sh/uv/pull/9740))
## 0.5.7
### Enhancements
- Ignore dynamic version in source dist ([#9549](https://github.com/astral-sh/uv/pull/9549))
- Improve build frontend error handling ([#9611](https://github.com/astral-sh/uv/pull/9611))
- Un-hide `uv build --no-build-logs` option ([#9642](https://github.com/astral-sh/uv/pull/9642))
- Flag version mismatch between sdist and wheel during `uv build` ([#9633](https://github.com/astral-sh/uv/pull/9633))
- Improve message when updater receipt is for a different uv executable ([#9487](https://github.com/astral-sh/uv/pull/9487))
- Add environment variable to disable writing installer metadata files ([#8877](https://github.com/astral-sh/uv/pull/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](https://github.com/astral-sh/uv/pull/9696))
### Preview features
- Build backend: Add hint on import with preview disabled ([#9691](https://github.com/astral-sh/uv/pull/9691))
- Build backend: Add direct builds to the resolver and installer ([#9621](https://github.com/astral-sh/uv/pull/9621))
- Build backend: Add integration test for scripts ([#9635](https://github.com/astral-sh/uv/pull/9635))
- Build backend: Add template to `uv init` ([#9661](https://github.com/astral-sh/uv/pull/9661))
- Build backend: Add `--list` option ([#9610](https://github.com/astral-sh/uv/pull/9610))
### Bug fixes
- Create missing parent directories for output file of `uv export` / `uv pip compile` ([#9648](https://github.com/astral-sh/uv/pull/9648))
- Fix missing display of non-freethreaded Python 3.13 in `python list` ([#9669](https://github.com/astral-sh/uv/pull/9669))
- Implement `Ord` and `PartialOrd` without origin for `Requirement` ([#9624](https://github.com/astral-sh/uv/pull/9624))
- Include more sources to avoid lowest bound warning ([#9644](https://github.com/astral-sh/uv/pull/9644))
- Respect build tag priority in `uv.lock` ([#9677](https://github.com/astral-sh/uv/pull/9677))
### Documentation
- Add `build-essentials` note to build failures doc ([#9641](https://github.com/astral-sh/uv/pull/9641))
- Add entry-point for distroless image in GitLab documentation ([#9093](https://github.com/astral-sh/uv/pull/9093))
- Add documentation for `uv python pin` without a `REQUEST` argument ([#9631](https://github.com/astral-sh/uv/pull/9631))
- Add a link to `uv python pin` reference docs ([#9630](https://github.com/astral-sh/uv/pull/9630))
## 0.5.6
### Enhancements
- Add `--dry-run` to `uv pip uninstall` ([#9557](https://github.com/astral-sh/uv/pull/9557))
- Allow `--constraints` and `--overrides` in `uv tool install` ([#9547](https://github.com/astral-sh/uv/pull/9547))
- Display removed Python executables on uninstall ([#9459](https://github.com/astral-sh/uv/pull/9459))
- Warn when keyring has no password for `uv publish` ([#8827](https://github.com/astral-sh/uv/pull/8827))
- Add suggested action when `.python-version` pin is incompatible with the project ([#9590](https://github.com/astral-sh/uv/pull/9590))
- Improve error messages for mismatches in `tool.uv.sources` ([#9482](https://github.com/astral-sh/uv/pull/9482))
- Use constraints in trace rather than irrelevant `requires-python` ([#9529](https://github.com/astral-sh/uv/pull/9529))
### Preview features
- Add `uv python install --default` ([#8650](https://github.com/astral-sh/uv/pull/8650))
- Fix Python executable installation when multiple patch versions are requested ([#9607](https://github.com/astral-sh/uv/pull/9607))
- Build backend: Revamp `include` / `exclude` ([#9525](https://github.com/astral-sh/uv/pull/9525))
- Build backend: Add fast path ([#9556](https://github.com/astral-sh/uv/pull/9556))
- Build backend: Add functions to collect file list ([#9602](https://github.com/astral-sh/uv/pull/9602))
- Build backend: Default excludes ([#9552](https://github.com/astral-sh/uv/pull/9552))
- Build backend: Refactoring before list ([#9558](https://github.com/astral-sh/uv/pull/9558))
- Build backend: Warn when visiting over 10k files ([#9523](https://github.com/astral-sh/uv/pull/9523))
### Configuration
- Make `check-url` available in configuration files ([#9032](https://github.com/astral-sh/uv/pull/9032))
### Performance
- Avoid adding non-extra package with extra dependencies ([#9540](https://github.com/astral-sh/uv/pull/9540))
- Avoid cloning `String` in marker evaluation ([#9598](https://github.com/astral-sh/uv/pull/9598))
### Rust API
- `uv-pep508`: Add more methods for simplifying `extra`-related expressions ([#9469](https://github.com/astral-sh/uv/pull/9469))
### Bug fixes
- Allow `file:` URLs to include package names ([#9493](https://github.com/astral-sh/uv/pull/9493))
- Avoid using IDs across PubGrub states ([#9538](https://github.com/astral-sh/uv/pull/9538))
- Consistently enforce requested-vs.-built metadata when retrieving wheels ([#9484](https://github.com/astral-sh/uv/pull/9484))
- Do not show empty version specifier in `uv tool list` ([#9605](https://github.com/astral-sh/uv/pull/9605))
- Include Git member information when getting metadata from cache ([#9388](https://github.com/astral-sh/uv/pull/9388))
- Include base installation directory in uv run PATH ([#9585](https://github.com/astral-sh/uv/pull/9585))
- Insert backslash when appending to system drive ([#9488](https://github.com/astral-sh/uv/pull/9488))
- Normalize paths when lowering Git dependencies ([#9595](https://github.com/astral-sh/uv/pull/9595))
- Omit origin when comparing requirements ([#9570](https://github.com/astral-sh/uv/pull/9570))
- Override `manylinux_compatible` with `--python-platform` ([#9526](https://github.com/astral-sh/uv/pull/9526))
- Pass extra when evaluating lockfile markers ([#9539](https://github.com/astral-sh/uv/pull/9539))
- Propagate markers for recursive extras in resolver ([#9509](https://github.com/astral-sh/uv/pull/9509))
- Respect path dependencies within Git dependencies ([#9594](https://github.com/astral-sh/uv/pull/9594))
- Support recursive extras with marker in `pip compile -r pyproject.toml` ([#9535](https://github.com/astral-sh/uv/pull/9535))
- Don't emit unpinned warning for proxy packages ([#9497](https://github.com/astral-sh/uv/pull/9497))
- Fix `--refresh-package` flag mentioned as `--refresh-dependency` ([#9486](https://github.com/astral-sh/uv/pull/9486))
- Handle Windows AV/EDR file locks during script installations ([#9543](https://github.com/astral-sh/uv/pull/9543))
- Re-enable conflicting extra/group tests and fix regression from #9540 ([#9582](https://github.com/astral-sh/uv/pull/9582))
### Documentation
- Add missing word to docs for `run.md` ([#9527](https://github.com/astral-sh/uv/pull/9527))
- Add policies reference section and license document ([#9367](https://github.com/astral-sh/uv/pull/9367))
- Fix typo in entry point docs ([#9491](https://github.com/astral-sh/uv/pull/9491))
- Fix up version in prior uninstall instructions ([#9485](https://github.com/astral-sh/uv/pull/9485))
- Mention `uv pip` behavior in build system note ([#9586](https://github.com/astral-sh/uv/pull/9586))
- Update build failures document ([#9584](https://github.com/astral-sh/uv/pull/9584))
- Correct wording for multiple sources section ([#9504](https://github.com/astral-sh/uv/pull/9504))
## 0.5.5
### Enhancements
- Add aliases for build backend requests ([#9294](https://github.com/astral-sh/uv/pull/9294))
- Avoid displaying empty paths ([#9312](https://github.com/astral-sh/uv/pull/9312))
- Allow constraints in `uv tool upgrade` ([#9375](https://github.com/astral-sh/uv/pull/9375))
- Remove conflict between `--no-sync` and `--frozen` in `uv run` ([#9400](https://github.com/astral-sh/uv/pull/9400))
- Respect dependency sources in overrides and constraints ([#9455](https://github.com/astral-sh/uv/pull/9455))
- Show an interpreter-focused message for `--target` and `--prefix` ([#9373](https://github.com/astral-sh/uv/pull/9373))
- Add `--no-extra` flag and setting ([#9387](https://github.com/astral-sh/uv/pull/9387))
- Add `uv export --prune` ([#9389](https://github.com/astral-sh/uv/pull/9389))
- Add dedicated error message for musl install attempts ([#9430](https://github.com/astral-sh/uv/pull/9430))
- Add various grammar changes to conflict error messages ([#9369](https://github.com/astral-sh/uv/pull/9369))
- Annotate default groups in conflict error messages ([#9368](https://github.com/astral-sh/uv/pull/9368))
- Report marker diagnostics during parsing, rather than evaluation ([#9338](https://github.com/astral-sh/uv/pull/9338))
- Use consistent formatting for build system errors ([#9340](https://github.com/astral-sh/uv/pull/9340))
- Use rich diagnostics for build failures ([#9335](https://github.com/astral-sh/uv/pull/9335))
### Preview features
- Improve build backend excludes ([#9281](https://github.com/astral-sh/uv/pull/9281))
- Include PEP 639 `license-files` metadata during `uv publish` ([#9442](https://github.com/astral-sh/uv/pull/9442))
### Performance
- Initialize rayon lazily ([#9435](https://github.com/astral-sh/uv/pull/9435))
- Migrate to PubGrub's arena for package names ([#9448](https://github.com/astral-sh/uv/pull/9448))
### Bug fixes
- Allow dependency groups to include the containing package ([#9385](https://github.com/astral-sh/uv/pull/9385))
- Allow syncing to empty virtual environment directories ([#9427](https://github.com/astral-sh/uv/pull/9427))
- Allow system Python discovery with `--target` and `--prefix` ([#9371](https://github.com/astral-sh/uv/pull/9371))
- Don't warn when `--output-file` is empty ([#9417](https://github.com/astral-sh/uv/pull/9417))
- Fix Python interpreter discovery on non-glibc hosts ([#9005](https://github.com/astral-sh/uv/pull/9005))
- Fix `tool.uv.dependency-metadata.[].version` schema ([#9468](https://github.com/astral-sh/uv/pull/9468))
- Only respect preferences across the same indexes ([#9302](https://github.com/astral-sh/uv/pull/9302))
- Re-compile when `--compile` is passed to an install operation ([#9378](https://github.com/astral-sh/uv/pull/9378))
- Remove `--upgrade`, `--no-upgrade`, and `--upgrade-package` from `uv tool upgrade` ([#9318](https://github.com/astral-sh/uv/pull/9318))
- Remove dev dependencies in `--all-groups --no-dev` ([#9300](https://github.com/astral-sh/uv/pull/9300))
- Surface extras and group conflicts in `uv export` ([#9365](https://github.com/astral-sh/uv/pull/9365))
- Treat deprecated aliases as equivalent in marker algebra ([#9342](https://github.com/astral-sh/uv/pull/9342))
- Treat less compatible tags as lower priority in resolver ([#9339](https://github.com/astral-sh/uv/pull/9339))
### Documentation
- Avoid referencing `scikit-build` (instead of `scikit-build-core`) ([#9320](https://github.com/astral-sh/uv/pull/9320))
- Expand entry points documentation ([#9329](https://github.com/astral-sh/uv/pull/9329))
- Fix example `pyproject.toml` in project concept documentation ([#9298](https://github.com/astral-sh/uv/pull/9298))
- Fix header level of "Conflicting dependencies" page ([#9330](https://github.com/astral-sh/uv/pull/9330))
- Touch-up the extension module guide ([#9293](https://github.com/astral-sh/uv/pull/9293))
- Update the dependencies documentation ([#9359](https://github.com/astral-sh/uv/pull/9359))
- Reference `--no-progress` option in related environment variable ([#9357](https://github.com/astral-sh/uv/pull/9357))
## 0.5.4
### Enhancements
- Accept either singular or plural values for CLI requirements ([#9196](https://github.com/astral-sh/uv/pull/9196))
- Add `--all-groups` to `uv sync`, `uv run`, `uv export`, and `uv tree` ([#8892](https://github.com/astral-sh/uv/pull/8892))
- Add a progress bar to `uv tree --outdated` and `uv pip list --outdated` ([#9284](https://github.com/astral-sh/uv/pull/9284))
- Add retries for Python downloads ([#9274](https://github.com/astral-sh/uv/pull/9274))
- Use exponential backoff for publish retries ([#9276](https://github.com/astral-sh/uv/pull/9276))
- Add manylinux target triples up to glibc 2.40 ([#9234](https://github.com/astral-sh/uv/pull/9234))
### Performance
- Parallelize network requests in `uv tree --outdated` ([#9280](https://github.com/astral-sh/uv/pull/9280))
- Use `zlib-rs` on all platforms ([#9264](https://github.com/astral-sh/uv/pull/9264))
### Bug fixes
- Avoid validating extra and group sources in `build-system.requires` ([#9273](https://github.com/astral-sh/uv/pull/9273))
- Catch retries with wrapped `reqwest` errors ([#9253](https://github.com/astral-sh/uv/pull/9253))
- Sort hashes in `uv export` output ([#9237](https://github.com/astral-sh/uv/pull/9237))
- Strip `--index` and `--default-index` from command header ([#9288](https://github.com/astral-sh/uv/pull/9288))
### Documentation
- Add breadcrumbs to the documentation ([#9242](https://github.com/astral-sh/uv/pull/9242))
- Add minimum version to PyTorch guide ([#9247](https://github.com/astral-sh/uv/pull/9247))
- Add support for anchor redirects with client-side js ([#9212](https://github.com/astral-sh/uv/pull/9212))
- Improve content on project configuration ([#9235](https://github.com/astral-sh/uv/pull/9235))
- Improve the project creation documentation ([#9236](https://github.com/astral-sh/uv/pull/9236))
- Move the integration guides into the "Guides" section as a collapsed group ([#9245](https://github.com/astral-sh/uv/pull/9245))
- Reorganize the project concept documentation ([#9121](https://github.com/astral-sh/uv/pull/9121))
- Use the full screen height for the main content to stabilize the nav ([#9153](https://github.com/astral-sh/uv/pull/9153))
### Error messages
- Add dedicated warning for empty stdin ([#9256](https://github.com/astral-sh/uv/pull/9256))
## 0.5.3
This release includes support for conflicting optional dependencies and dependency groups in the uv resolver, including the ability to specify dependency sources (like index assignment) on a per-extra or per-group basis.
For example, you can now select CPU-only vs. GPU-enabled PyTorch builds at runtime by defining conflicting extras in a `pyproject.toml`, and assigning different extras to different PyTorch indexes:
```toml
[project]
name = "project"
version = "0.1.0"
requires-python = ">=3.12.0"
[project.optional-dependencies]
# Include `torch` whenever `--extra cpu` or `--extra gpu` is provided.
cpu = ["torch>=2.5.1"]
gpu = ["torch>=2.5.1"]
[tool.uv]
# But allow `cpu` and `gpu` to choose conflicting versions of `torch`.
conflicts = [[{ extra = "cpu" }, { extra = "gpu" }]]
[tool.uv.sources]
torch = [
# With `--extra cpu`, pull PyTorch from the CPU-only index.
{ index = "pytorch-cpu", extra = "cpu", marker = "platform_system != 'Darwin'" },
# With `--extra gpu`, pull PyTorch from the GPU-enabled index.
{ index = "pytorch-gpu", extra = "gpu" },
]
[[tool.uv.index]]
name = "pytorch-cpu"
url = "https://download.pytorch.org/whl/cpu"
explicit = true
[[tool.uv.index]]
name = "pytorch-gpu"
url = "https://download.pytorch.org/whl/cu124"
explicit = true
```
See the [PyTorch](https://docs.astral.sh/uv/guides/integration/pytorch/) documentation for more.
### Enhancements
- Allow conflicting extras in explicit index assignments ([#9160](https://github.com/astral-sh/uv/pull/9160))
- Support overrides and constraints in PEP 723 scripts ([#9162](https://github.com/astral-sh/uv/pull/9162))
- Update `uv tool install --force` to imply `--reinstall-package <name>` ([#9074](https://github.com/astral-sh/uv/pull/9074))
- Turn `--verify-hashes` on by default ([#9170](https://github.com/astral-sh/uv/pull/9170))
### Performance
- Enable `zlib-rs` on all platforms ([#9202](https://github.com/astral-sh/uv/pull/9202))
### Bug fixes
- Allow apostrophe in virtual environment name ([#8984](https://github.com/astral-sh/uv/pull/8984))
- Automatically retry body errors when processing response ([#9213](https://github.com/astral-sh/uv/pull/9213))
- Detect nested workspace inside the current workspace and members with identical names ([#9094](https://github.com/astral-sh/uv/pull/9094))
- Only install the specified project with `--frozen --package` in legacy non-`[project]` workspaces ([#9215](https://github.com/astral-sh/uv/pull/9215))
- Respect `[[tool.uv.index]]` in PEP 723 scripts ([#9208](https://github.com/astral-sh/uv/pull/9208))
- Show derivation markers for resolutions with project name ([#9136](https://github.com/astral-sh/uv/pull/9136))
- Sort distributions when computing hash ([#9185](https://github.com/astral-sh/uv/pull/9185))
- Include trampolines in source distributions on Windows ([#9172](https://github.com/astral-sh/uv/pull/9172))
### Documentation
- Add `--index <name>=<url>` syntax to index documentation ([#9139](https://github.com/astral-sh/uv/pull/9139))
- Add documentation for using uv with PyTorch ([#9210](https://github.com/astral-sh/uv/pull/9210))
### Error messages
- Add a dedicated error for `include = "dev"` with `tool.uv.dev-dependencies` ([#9173](https://github.com/astral-sh/uv/pull/9173))
- Avoid showing disjoint marker error with `true` ([#9169](https://github.com/astral-sh/uv/pull/9169))
- Improve error message when `git` is not found ([#9206](https://github.com/astral-sh/uv/pull/9206))
- Include extras and dependency groups in derivation chains ([#9113](https://github.com/astral-sh/uv/pull/9113))
- Include version constraints in derivation chains ([#9112](https://github.com/astral-sh/uv/pull/9112))
## 0.5.2
### Enhancements
- Hide `--no-system` from `uv pip tree` CLI ([#9040](https://github.com/astral-sh/uv/pull/9040))
- Allow configuration of Python and PyPy install mirrors in `uv.toml` ([#8695](https://github.com/astral-sh/uv/pull/8695))
- Allow passing Python download mirrors to `uv python install` ([#8695](https://github.com/astral-sh/uv/pull/8695))
- Add support for specifying conflicting extras and dependency groups ([#8976](https://github.com/astral-sh/uv/pull/8976), [#9096](https://github.com/astral-sh/uv/pull/9096))
- Consistent colon usage in build failure errors ([#8994](https://github.com/astral-sh/uv/pull/8994))
- Show full derivation chain when encountering build failures ([#9108](https://github.com/astral-sh/uv/pull/9108))
- Show link we failed on parsing index pages ([#9118](https://github.com/astral-sh/uv/pull/9118))
- Remove duplicate log when searching for interpreters ([#9092](https://github.com/astral-sh/uv/pull/9092))
- Update uv development status classifier to "Stable" on PyPI ([#8943](https://github.com/astral-sh/uv/pull/8943))
- Use rich diagnostic formatting for early build failures ([#9041](https://github.com/astral-sh/uv/pull/9041))
- Use rich diagnostic formatting for install failures ([#9043](https://github.com/astral-sh/uv/pull/9043))
### Performance
- Avoid retraversing filesystem when testing exact glob matches ([#9022](https://github.com/astral-sh/uv/pull/9022))
### Bug fixes
- Allow `--no-build` to validate lock ([#9024](https://github.com/astral-sh/uv/pull/9024))
- Allow default indexes to be marked as explicit ([#8990](https://github.com/astral-sh/uv/pull/8990))
- Avoid creating `.venv` in `uv add --frozen` and `uv add --no-sync` ([#8980](https://github.com/astral-sh/uv/pull/8980))
- Avoid duplicating first-entry comments in `uv add` ([#9109](https://github.com/astral-sh/uv/pull/9109))
- Defer reporting of build failures in resolver ([#9098](https://github.com/astral-sh/uv/pull/9098))
- Fix references to `--resolution-strategy` in error message output ([#8971](https://github.com/astral-sh/uv/pull/8971))
- Ignore virtual environments in parent directories when choosing Python version for new projects ([#9075](https://github.com/astral-sh/uv/pull/9075))
- Forward SIGTERM to child processes in `uv run` ([#8933](https://github.com/astral-sh/uv/pull/8933))
- Prefer Python executable names that match the request over default names ([#9066](https://github.com/astral-sh/uv/pull/9066))
- Prefer compatible to incompatible distributions when packages exist on multiple indexes ([#8961](https://github.com/astral-sh/uv/pull/8961))
- Publish: Ignore non-matching files ([#8986](https://github.com/astral-sh/uv/pull/8986))
- Revert `uv.lock` changes when `uv add` fails ([#9030](https://github.com/astral-sh/uv/pull/9030))
- Show file extensions on available commands when not `.exe` ([#9099](https://github.com/astral-sh/uv/pull/9099))
- Sort by name, then specifiers in `uv add` ([#9097](https://github.com/astral-sh/uv/pull/9097))
- Split after specifiers in `--with` requirements ([#9089](https://github.com/astral-sh/uv/pull/9089))
- Support multiple extras in universal pip compile output ([#8960](https://github.com/astral-sh/uv/pull/8960))
### Preview features
- Build backend: Add tests for source tree -> source dist -> wheel conversions ([#9091](https://github.com/astral-sh/uv/pull/9091))
- Build backend: Switch to custom `glob-walkdir` implementation ([#9013](https://github.com/astral-sh/uv/pull/9013))
- Build backend: Add minimal wheel settings ([#9085](https://github.com/astral-sh/uv/pull/9085))
### Documentation
- Add wget instructions for systems without curl ([#8630](https://github.com/astral-sh/uv/pull/8630))
- Fix `.env` file example in docs ([#9064](https://github.com/astral-sh/uv/pull/9064))
- Fix reference to `--resolution` in docs ([#8968](https://github.com/astral-sh/uv/pull/8968))
- Fix typo in GitLab integration docs ([#9047](https://github.com/astral-sh/uv/pull/9047))
- Update format of environment variable reference ([#9018](https://github.com/astral-sh/uv/pull/9018))
- Use Python syntax for `value_type` consistently ([#9017](https://github.com/astral-sh/uv/pull/9017))
- Use `[[index]]` API in configuration example ([#9065](https://github.com/astral-sh/uv/pull/9065))
- Mention how to use extras ([#8972](https://github.com/astral-sh/uv/pull/8972))
- Add some words about specifying conflicting extras/groups ([#9120](https://github.com/astral-sh/uv/pull/9120))
## 0.5.1
### Enhancements
- Allow installation of manylinux wheels on `riscv64` ([#8934](https://github.com/astral-sh/uv/pull/8934))
### Bug fixes
- Build source distributions at top-level of cache ([#8905](https://github.com/astral-sh/uv/pull/8905))
- Allow non-registry dependencies in `uv pip list --outdated` ([#8939](https://github.com/astral-sh/uv/pull/8939))
- Compute superset of existing and required hashes when healing cache ([#8955](https://github.com/astral-sh/uv/pull/8955))
- Enable uv to replace and delete itself on Windows ([#8914](https://github.com/astral-sh/uv/pull/8914))
- Remove source distribution filename from cache ([#8907](https://github.com/astral-sh/uv/pull/8907))
- Respect `--index-url` in `uv pip list` ([#8942](https://github.com/astral-sh/uv/pull/8942))
- Respect comma-separated extras in `--with` ([#8946](https://github.com/astral-sh/uv/pull/8946))
### Documentation
- Add uninstall note for previous versions ([#8937](https://github.com/astral-sh/uv/pull/8937))
- Remove some missed references to `~/.cargo/bin` ([#8936](https://github.com/astral-sh/uv/pull/8936))
- Split README's install code block into 3 ([#8853](https://github.com/astral-sh/uv/pull/8853))
## 0.5.0
Since the launch of Python version, project, and tool management capabilities back in August, we've seen extraordinary adoption of uv. We've been iterating rapidly: adding new features, fixing bugs, and improving the user experience. Despite moving quickly, stability and compatibility have been a major focus — we've made thirty releases since our last breaking change. Consequently, we've accumulated various changes that improve correctness and user experience, but could break some workflows. This release contains those changes; many have been marked as breaking out of an abundance of caution. We expect most users to be able to upgrade without making changes.
### Breaking
- **Use base executable to set virtualenv Python path** ([#8481](https://github.com/astral-sh/uv/pull/8481))
Previously, uv canonicalized the path to the Python executable when setting the Python path in created virtual environments. This behavior had several undesirable effects: it would bypass stabilized version directories (as constructed by Homebrew) and it was not consistent with the Python standard library's behavior. Now, uv uses the `sys._base_executable` path.
- **Use XDG (i.e. `~/.local/bin`) instead of the Cargo home directory in the installer** ([#8420](https://github.com/astral-sh/uv/pull/8420))
Previously, uv's installer used `$CARGO_HOME` or `~/.cargo/bin` for its target install directory. It's been a longstanding complaint that uv uses this directory, as there's no relationship to Cargo. Now, uv will be installed into `$XDG_BIN_HOME`, `$XDG_DATA_HOME/../bin`, or `~/.local/bin` (in that order). Note that `$UV_INSTALL_DIR` can always be used to override the target directory.
- **Discover and respect `.python-version` files in parent directories** ([#6370](https://github.com/astral-sh/uv/pull/6370))
Previously, uv only read `.python-version` files from the working directory. Now, uv will check parent directories for `.python-version` files; however uv will not search for `.python-version` files beyond project boundaries. The new behavior is better aligned with that of `pyenv` and Rye.
- **Error when disallowed settings are defined in `uv.toml`** ([#8550](https://github.com/astral-sh/uv/pull/8550))
Some settings can only be defined in the `pyproject.toml`. Previously, uv would ignore these settings when present in the `uv.toml`. Now, uv will error to avoid confusion about why the settings are not respected.
- **Implement PEP 440-compliant local version semantics** ([#8797](https://github.com/astral-sh/uv/pull/8797))
Previously, uv's implementation of local versions (e.g. `2.0+cpu`) was not compliant with the specification due to the technical complexity of implementing the local version semantics in the PubGrub algorithm. Thanks to the work of @ericmarkmartin, uv now has a spec-compliant implementation. Namely, uv will now allow a request for `torch==2.1.0` to install `[email protected]+cpu` regardless of whether `[email protected]` (without a local tag) actually exists.
- **Treat the base Conda environment as a system environment** ([#7691](https://github.com/astral-sh/uv/pull/7691))
Previously, uv would not distinguish between the base and other Conda environments. Now, uv uses `CONDA_DEFAULT_ENV` and the names `base` and `default` to determine if an environment active via `CONDA_PREFIX` is the base environment. If the base environment is active, the `--system` flag must be used to mutate it.
- **Do not allow pre-releases when the `!=` operator is used** ([#7974](https://github.com/astral-sh/uv/pull/7974))
Previously, uv would use the presence of a pre-release specifier in a version specifier as an opt-in to allow pre-release versions during resolution. The new behavior does not allow pre-releases when an inequals operator is used, e.g., `!= 2.0a1`.
- **Prefer `USERPROFILE` over `FOLDERID_Profile` when selecting a home directory on Windows** ([#8048](https://github.com/astral-sh/uv/pull/8048))
This change is a side-effect of switching from the `directories` crate to `etcetera` for determining canonical system paths. If `USERPROFILE` is not set, the behavior will be unchanged.
- **Improve interactions between color environment variables and CLI options** ([#8215](https://github.com/astral-sh/uv/pull/8215))
Previously, uv would respect the `FORCE_COLOR` and `NO_COLOR` environment variables over the `--color` flag. Now, when the `--color` flag is explicitly provided, uv will respect it over the environment variables.
- **Make `allow-insecure-host` a global option** ([#8476](https://github.com/astral-sh/uv/pull/8476))
Previously, this option was only available in some parts of uv. Now, `--allow-insecure-host` can be provided to any command. For consistency, the `allow-insecure-host` setting has been removed from the `[tool.uv.pip]` configuration in favor of `[tool.uv]`.
- **Only write `.python-version` files during `uv init` for workspace members if the version differs** ([#8897](https://github.com/astral-sh/uv/pull/8897))
Previously, uv would create a `.python-version` file for workspace members during `uv init`. Now, uv will only do so if the version differs from the `.python-version` file in the workspace root since uv will respect `.python-version` files in parent directories.
### Enhancements
- Add `uv tree --outdated` ([#8893](https://github.com/astral-sh/uv/pull/8893))
- Add armv8l alias for armv7l to support arm 32-bit compatibility mode ([#8881](https://github.com/astral-sh/uv/pull/8881))
- Add support for `pip list --outdated` ([#8872](https://github.com/astral-sh/uv/pull/8872))
- Allow semicolons directly after direct URLs ([#8836](https://github.com/astral-sh/uv/pull/8836))
- Enable support for arbitrary git transports ([#8769](https://github.com/astral-sh/uv/pull/8769))
- Improve Python discovery source messages ([#8890](https://github.com/astral-sh/uv/pull/8890))
- Show dedicated error for trailing `;` on URL and path requirements ([#8835](https://github.com/astral-sh/uv/pull/8835))
- Add progress bar for `uv cache clean` ([#8857](https://github.com/astral-sh/uv/pull/8857))
- Warn on failure to query system configuration file ([#8829](https://github.com/astral-sh/uv/pull/8829))
### Preview features
- Add support for building basic source distributions with the experimental uv build backend ([#8886](https://github.com/astral-sh/uv/pull/8886))
### Bug fixes
- Respect dynamic version updates in `uv lock` ([#8867](https://github.com/astral-sh/uv/pull/8867))
- Respect fork markers in `--resolution-mode=lowest-direct` ([#8839](https://github.com/astral-sh/uv/pull/8839))
### Documentation
- Add further examples of git+https support ([#8841](https://github.com/astral-sh/uv/pull/8841))
- Add installer variables to environment reference ([#8874](https://github.com/astral-sh/uv/pull/8874))
- Add note on private classifier ([#8783](https://github.com/astral-sh/uv/pull/8783))
- Update pip-and-uv strictness example ([#8822](https://github.com/astral-sh/uv/pull/8822))
- Fix `uv python install` docs to use an existing PyPy version ([#8845](https://github.com/astral-sh/uv/pull/8845))
- Document how to mimic `--verbose` with `RUST_LOG` ([#8858](https://github.com/astral-sh/uv/pull/8858))
## 0.4.30
### Enhancements
- Add support for `.env` and custom env files in `uv run` ([#8811](https://github.com/astral-sh/uv/pull/8811))
- Add support for `--all-packages` in `uv run`, `uv sync`, and `uv export` ([#8742](https://github.com/astral-sh/uv/pull/8742), [#8741](https://github.com/astral-sh/uv/pull/8741), [#8739](https://github.com/astral-sh/uv/pull/8739))
- Allow use of `--frozen` with `--all-packages` in `uv sync` and `uv export` ([#8760](https://github.com/astral-sh/uv/pull/8760))
- Show full error chain on tool upgrade failures ([#8753](https://github.com/astral-sh/uv/pull/8753))
- Add `--check-url` to `uv publish` to check for existing distributions during upload ([#8531](https://github.com/astral-sh/uv/pull/8531))
- Suggest using `--check-url` when `--skip-existing` is used ([#8803](https://github.com/astral-sh/uv/pull/8803))
### Bug fixes
- Allow incompatible `requires-python` for source distributions with static metadata ([#8768](https://github.com/astral-sh/uv/pull/8768))
- Allow managed downloads with `--python-preference system` ([#8808](https://github.com/astral-sh/uv/pull/8808))
- Avoid error for `--group` defined in non-root workspace member ([#8734](https://github.com/astral-sh/uv/pull/8734))
- Avoid showing dependency group annotations on workspace members in tree ([#8730](https://github.com/astral-sh/uv/pull/8730))
- Do not error when the Python bin directory is missing on `uv python uninstall` ([#8725](https://github.com/astral-sh/uv/pull/8725))
- Include member groups when locking workspace ([#8736](https://github.com/astral-sh/uv/pull/8736))
- Fix bug where `python_version < '0'` could appear in a final resolution ([#8759](https://github.com/astral-sh/uv/pull/8759))
- Sanitize filenames during zip extraction ([#8732](https://github.com/astral-sh/uv/pull/8732))
- Switch to RFC 9110 compatible format for exclude newer requests ([#8752](https://github.com/astral-sh/uv/pull/8752))
### Preview features
- Add support for installing versioned Python executables on Windows ([#8663](https://github.com/astral-sh/uv/pull/8663))
- Improve interactions with existing Python executables during install ([#8733](https://github.com/astral-sh/uv/pull/8733))
### Rust API
- Extend `BaseClient` to accept extra middleware ([#8807](https://github.com/astral-sh/uv/pull/8807))
- Add `From` for `FlatDistributions` struct ([#8800](https://github.com/astral-sh/uv/pull/8800))
### Documentation
- Fix environment variable name in providing credentials section ([#8740](https://github.com/astral-sh/uv/pull/8740))
- Fix `add httpx` example with real git branch ([#8756](https://github.com/astral-sh/uv/pull/8756))
- Fix indentation in `projects.md` ([#8772](https://github.com/astral-sh/uv/pull/8772))
- Fix link to publish guide in `README` ([#8720](https://github.com/astral-sh/uv/pull/8720))
- Generate environment variables documentation from code ([#8493](https://github.com/astral-sh/uv/pull/8493))
- Improve and fix some documents ([#8749](https://github.com/astral-sh/uv/pull/8749))
- Improve environment variables document ([#8777](https://github.com/astral-sh/uv/pull/8777))
## 0.4.29
### Enhancements
- Sort errors during display in `uv python install` ([#8684](https://github.com/astral-sh/uv/pull/8684))
- Update resolver to use disjointness checks instead of marker equality ([#8661](https://github.com/astral-sh/uv/pull/8661))
- Add `riscv64` to supported Python platform tags ([#8660](https://github.com/astral-sh/uv/pull/8660))
### Bug fixes
- Fix hard and soft float libc detection for managed Python distributions on ARM ([#8498](https://github.com/astral-sh/uv/pull/8498))
- Handle cycles in `uv pip tree` ([#8689](https://github.com/astral-sh/uv/pull/8689))
- Respect dependency group markers in `uv export` ([#8659](https://github.com/astral-sh/uv/pull/8659))
- Support transitive dependencies in Git workspaces ([#8665](https://github.com/astral-sh/uv/pull/8665))
- Use portable paths for subdirectories in lock URLs ([#8707](https://github.com/astral-sh/uv/pull/8707))
- Update `uv init --virtual` to imply `--no-package` ([#8595](https://github.com/astral-sh/uv/pull/8595))
### Preview
- Install versioned Python executables into the bin directory during `uv python install` (Unix only) ([#8458](https://github.com/astral-sh/uv/pull/8458))
### Documentation
- Clarify relationship between specifiers and `requires-python` range ([#8688](https://github.com/astral-sh/uv/pull/8688))
- Fix broken link in docs ([#8552](https://github.com/astral-sh/uv/pull/8552))
- Fix outdated documentation on `Requires-Python` ([#8679](https://github.com/astral-sh/uv/pull/8679))
- Add Google Artifact Registry index authentication guide ([#8579](https://github.com/astral-sh/uv/pull/8579))
## 0.4.28
### Enhancements
- Add support for requesting free-threaded builds via `+freethreaded` ([#8645](https://github.com/astral-sh/uv/pull/8645))
- Improve trusted publishing error messages ([#8633](https://github.com/astral-sh/uv/pull/8633))
- Remove unneeded `return` from Maturin project template ([#8604](https://github.com/astral-sh/uv/pull/8604))
- Skip Python interpreter discovery for `uv export` ([#8638](https://github.com/astral-sh/uv/pull/8638))
- Hint about missing trusted publishing permission ([#8632](https://github.com/astral-sh/uv/pull/8632))
### Configuration
- Add environment variable to disable progress output ([#8600](https://github.com/astral-sh/uv/pull/8600))
### Bug fixes
- Fork when minimum Python version increases ([#8628](https://github.com/astral-sh/uv/pull/8628))
- Ignore empty groups when validating lock ([#8598](https://github.com/astral-sh/uv/pull/8598))
- Remove duplicate word in error message ([#8589](https://github.com/astral-sh/uv/pull/8589))
- Support cyclic dependencies in `uv tree` ([#8564](https://github.com/astral-sh/uv/pull/8564))
- Update `uv init` to imply `--package` when using `--build-backend` ([#8593](https://github.com/astral-sh/uv/pull/8593))
- Restore use of `dev-dependencies` and `requires-dev` for lockfile compatibility ([#8599](https://github.com/astral-sh/uv/pull/8599))
### Documentation
- Clarify `requires-python` requirement for dependencies ([#8619](https://github.com/astral-sh/uv/pull/8619))
- Update CLI documentation for `--cache-dir` ([#8627](https://github.com/astral-sh/uv/pull/8627))
## 0.4.27
This release includes support for the `[dependency-groups]` table as recently standardized in [PEP 735](https://peps.python.org/pep-0735/). The table allows for declaration of optional dependency groups that are not published as part of the package metadata, unlike `[project.optional-dependencies]`. There are new `--group`, `--only-group`, and `--no-group` options throughout the uv interface.
Previously, uv used a single `tool.uv.dev-dependencies` list for declaration of development dependencies. Now, uv supports declaring development dependencies in a standardized format and allows splitting development dependencies into multiple groups.
For compatibility, and to simplify usage for people that do not need multiple groups, uv special-cases the group named `dev`. The `dev` group is equivalent to `tool.uv.dev-dependencies`. The contents of `tool.uv.dev-dependencies` will merged into the `dev` group in uv's resolver. The `--dev`, `--only-dev`, and `--no-dev` flags remain as aliases for the corresponding `--group` options. Support for `tool.uv.dev-dependencies` remains in this release, but will display warnings in a future release.
uv syncs the `dev` group by default — this matches the existing behavior for `tool.uv.dev-dependencies`. The default groups can be changed with the `tool.uv.default-groups` setting.
Thank you to Stephen Rosen who authored PEP 735.
### Enhancements
- Support for PEP 735 ([#8272](https://github.com/astral-sh/uv/pull/8272))
- Add support for `--dry-run` mode in `uv lock` ([#7783](https://github.com/astral-sh/uv/pull/7783))
- Don't allow non-string email in authors ([#8520](https://github.com/astral-sh/uv/pull/8520))
- Enforce lockfile schema versions ([#8509](https://github.com/astral-sh/uv/pull/8509))
### Bug fixes
- Always attach URL to network errors ([#8444](https://github.com/astral-sh/uv/pull/8444))
- Fix dangling non-platform dependencies in `uv tree` ([#8532](https://github.com/astral-sh/uv/pull/8532))
- Prefer `lto` over `debug` free-threaded managed Python builds ([#8515](https://github.com/astral-sh/uv/pull/8515))
### Documentation
- Add `tool.uv.sources` to the "Settings" reference ([#8543](https://github.com/astral-sh/uv/pull/8543))
- Add reference to `uv build` and `uv publish` in the landing pages ([#8542](https://github.com/astral-sh/uv/pull/8542))
- Avoid duplicate `[tool.uv]` header in TOML examples ([#8545](https://github.com/astral-sh/uv/pull/8545))
- Document `.netrc` environment variable and path ([#8511](https://github.com/astral-sh/uv/pull/8511))
- Fix `.netrc` typo in authentication docs ([#8521](https://github.com/astral-sh/uv/pull/8521))
- Fix heading level of "Script support" on docs landing page ([#8544](https://github.com/astral-sh/uv/pull/8544))
- Move the installation configuration docs to a separate page ([#8546](https://github.com/astral-sh/uv/pull/8546))
- Update docs for `--publish-url` to avoid duplication. ([#8561](https://github.com/astral-sh/uv/pull/8561))
- Fix typo ([#8554](https://github.com/astral-sh/uv/pull/8554))
- Fix typo in description of `--strict` flag ([#8513](https://github.com/astral-sh/uv/pull/8513))
## 0.4.26
### Enhancements
- Allow static dependency metadata entries for direct URL requirements ([#7846](https://github.com/astral-sh/uv/pull/7846))
- Use reinstall report formatting for `uv python install --reinstall` ([#8487](https://github.com/astral-sh/uv/pull/8487))
- Add support for system-level `uv.toml` configuration ([#7851](https://github.com/astral-sh/uv/pull/7851))
### Bug fixes
- Apply `requires-python` narrowing with upper bounds ([#8403](https://github.com/astral-sh/uv/pull/8403))
- Avoid rewriting `[[tool.uv.index]]` entries when credentials are provided ([#8502](https://github.com/astral-sh/uv/pull/8502))
- Fix `uv add` comment handling for empty arrays ([#8504](https://github.com/astral-sh/uv/pull/8504))
- Replace dashes with underscores in index credential variables ([#8452](https://github.com/astral-sh/uv/pull/8452))
- Respect `--allow-insecure-host` in `uv publish` ([#8440](https://github.com/astral-sh/uv/pull/8440))
- Allow arbitrary `--package` includes in `uv tree` ([#8507](https://github.com/astral-sh/uv/pull/8507))
- Remove existing Python install after successful download in `uv python install` ([#8485](https://github.com/astral-sh/uv/pull/8485))
### Documentation
- Add docs example for URLs with `[tool.uv.dependency-metadata]` ([#8484](https://github.com/astral-sh/uv/pull/8484))
- Add help page for build failures ([#8286](https://github.com/astral-sh/uv/pull/8286))
- Fix `cache-keys` typo in `tags = true` ([#8422](https://github.com/astral-sh/uv/pull/8422))
- Add documentation examples for manual branch, rev, and tag Git dependencies ([#8497](https://github.com/astral-sh/uv/pull/8497))
### Error messages
- Improve error message for cache info serialization ([#8500](https://github.com/astral-sh/uv/pull/8500))
- Suggest `--from` command when executable is available for `uvx` ([#8473](https://github.com/astral-sh/uv/pull/8473))
- Support `--with-editable` in `uv tool install` ([#8472](https://github.com/astral-sh/uv/pull/8472))
## 0.4.25
### Enhancements
- Add support for `uv pip show --files` ([#8369](https://github.com/astral-sh/uv/pull/8369))
- Don't prefetch unreachable packages ([#8246](https://github.com/astral-sh/uv/pull/8246))
- Remove `tool.uv.sources` table if it is empty ([#8365](https://github.com/astral-sh/uv/pull/8365))
- Modify cache versioning to support backwards compatibility ([#8386](https://github.com/astral-sh/uv/pull/8386))
### Configuration
- Add support for `UV_FROZEN` and `UV_LOCKED` ([#8340](https://github.com/astral-sh/uv/pull/8340))
### Bug fixes
- Allow dashes and underscores in custom index names ([#8339](https://github.com/astral-sh/uv/pull/8339))
- Avoid panic when Git dependencies are included in fork markers ([#8388](https://github.com/astral-sh/uv/pull/8388))
- Check existing source by normalized name before `uv add` and `uv remove` ([#8359](https://github.com/astral-sh/uv/pull/8359))
- Fix bug where username from authentication cache could be ignored ([#8345](https://github.com/astral-sh/uv/pull/8345))
- Fix to respect comments positioning in pyproject.toml on change ([#8384](https://github.com/astral-sh/uv/pull/8384))
- Redact index sources in `uv.lock` ([#8333](https://github.com/astral-sh/uv/pull/8333))
- Use correct indentation when project table contains open bracket comment ([#8387](https://github.com/astral-sh/uv/pull/8387))
- Only remove a source from `[tool.uv.sources]` if it is no long being referenced ([#8366](https://github.com/astral-sh/uv/pull/8366))
- Modify `uv pip list` and `uv tree` to print to stdout regardless of `--quiet` flag ([#8392](https://github.com/astral-sh/uv/pull/8392))
### Error messages
- Improve help message for missing `self update` invocations ([#8337](https://github.com/astral-sh/uv/pull/8337))
- Log `.netrc` parsing errors ([#8364](https://github.com/astral-sh/uv/pull/8364))
- Remove trailing newlines in error messages ([#8322](https://github.com/astral-sh/uv/pull/8322))
- Use a dedicated message for incompatible Python versions in wheel ABI tags ([#8363](https://github.com/astral-sh/uv/pull/8363))
- Remove commands available in the top-level from the suggested subcommand error ([#8316](https://github.com/astral-sh/uv/pull/8316))
### Release
- Run release builds for `macos-x86_64` on `macos-14` runners ([#8327](https://github.com/astral-sh/uv/pull/8327))
## 0.4.24
### Bug fixes
- Fix Python executable name in Windows free-threaded Python distributions ([#8310](https://github.com/astral-sh/uv/pull/8310))
- Redact index credentials from lockfile sources ([#8307](https://github.com/astral-sh/uv/pull/8307))
- Respect `UV_INDEX_` rather than `UV_HTTP_BASIC_` as documented ([#8306](https://github.com/astral-sh/uv/pull/8306))
- Improve sources deserialization errors ([#8308](https://github.com/astral-sh/uv/pull/8308))
### Documentation
- Correct pytorch-to-torch reference in docs ([#8291](https://github.com/astral-sh/uv/pull/8291))
## 0.4.23
This release introduces a revamped system for defining package indexes, as an alternative to the existing pip-style
`--index-url` and `--extra-index-url` configuration options.
You can now define named indexes in your `pyproject.toml` file using the `[[tool.uv.index]]` table:
```toml
[[tool.uv.index]]
name = "pytorch"
url = "https://download.pytorch.org/whl/cpu"
```
Packages can be pinned to a specific index via `tool.uv.sources`, to ensure that a given package is installed from the
correct index. For example, to ensure that `torch` is *always* installed from the `pytorch` index:
```toml
[tool.uv.sources]
torch = { index = "pytorch" }
[[tool.uv.index]]
name = "pytorch"
url = "https://download.pytorch.org/whl/cpu"
```
Indexes can also be marked as `explicit = true` to prevent packages from being installed from that index
unless explicitly pinned. For example, to ensure that `torch` is installed from the `pytorch` index, but all other
packages are installed from the default index:
```toml
[tool.uv.sources]
torch = { index = "pytorch" }
[[tool.uv.index]]
name = "pytorch"
url = "https://download.pytorch.org/whl/cpu"
explicit = true
```
To define an additional index outside a `pyproject.toml` file, use the `--index` command-line argument
(or the `UV_INDEX` environment variable); to replace the default index (PyPI), use the `--default-index` command-line
argument (or `UV_DEFAULT_INDEX`).
These changes are entirely backwards-compatible with the deprecated `--index-url` and `--extra-index-url` options,
which continue to work as before.
See the [Index](https://docs.astral.sh/uv/configuration/indexes/) documentation for more.
### Enhancements
- Add index URLs when provided via `uv add --index` or `--default-index` ([#7746](https://github.com/astral-sh/uv/pull/7746))
- Add support for named and explicit indexes ([#7481](https://github.com/astral-sh/uv/pull/7481))
- Add templates for popular build backends ([#7857](https://github.com/astral-sh/uv/pull/7857))
- Allow multiple pinned indexes in `tool.uv.sources` ([#7769](https://github.com/astral-sh/uv/pull/7769))
- Allow users to incorporate Git tags into dynamic cache keys ([#8259](https://github.com/astral-sh/uv/pull/8259))
- Pin named indexes in `uv add` ([#7747](https://github.com/astral-sh/uv/pull/7747))
- Respect named `--index` and `--default-index` values in `tool.uv.sources` ([#7910](https://github.com/astral-sh/uv/pull/7910))
- Update to latest PubGrub version ([#8245](https://github.com/astral-sh/uv/pull/8245))
- Enable environment variable authentication for named indexes ([#7741](https://github.com/astral-sh/uv/pull/7741))
- Avoid showing lower-bound warning outside of explicit lock and sync ([#8234](https://github.com/astral-sh/uv/pull/8234))
- Improve logging during lock errors ([#8258](https://github.com/astral-sh/uv/pull/8258))
- Improve styling of `requires-python` warnings ([#8240](https://github.com/astral-sh/uv/pull/8240))
- Show hint in resolution failure on `Forbidden` (`403`) or `Unauthorized` (`401`) ([#8264](https://github.com/astral-sh/uv/pull/8264))
- Update to latest `cargo-dist` version (includes new installer features) ([#8270](https://github.com/astral-sh/uv/pull/8270))
- Warn when patch version in `requires-python` is implicitly `0` ([#7959](https://github.com/astral-sh/uv/pull/7959))
- Add more context on client errors during range requests ([#8285](https://github.com/astral-sh/uv/pull/8285))
### Bug fixes
- Avoid writing duplicate index URLs with `--emit-index-url` ([#8226](https://github.com/astral-sh/uv/pull/8226))
- Fix error leading to out-of-bound panic in `uv-pep508` ([#8282](https://github.com/astral-sh/uv/pull/8282))
- Fix managed distributions of free-threaded Python on Windows ([#8268](https://github.com/astral-sh/uv/pull/8268))
- Fix selection of free-threaded interpreters during default Python discovery ([#8239](https://github.com/astral-sh/uv/pull/8239))
- Ignore sources in build requirements for non-source trees ([#8235](https://github.com/astral-sh/uv/pull/8235))
- Invalid cache when adding lower bound to lockfile ([#8230](https://github.com/astral-sh/uv/pull/8230))
- Respect index priority when storing credentials ([#8256](https://github.com/astral-sh/uv/pull/8256))
- Respect relative paths in `uv build` sources ([#8237](https://github.com/astral-sh/uv/pull/8237))
- Narrow what the pip3.<minor> logic drops from entry points. ([#8273](https://github.com/astral-sh/uv/pull/8273))
### Documentation
- Add some additional notes to `--index-url` docs ([#8267](https://github.com/astral-sh/uv/pull/8267))
- Add upgrade note to README ([#7937](https://github.com/astral-sh/uv/pull/7937))
- Remove note that "only a single source may be defined for each dependency" ([#8243](https://github.com/astral-sh/uv/pull/8243))
## 0.4.22
### Enhancements
- Respect `[tool.uv.sources]` in build requirements ([#7172](https://github.com/astral-sh/uv/pull/7172))
### Preview features
- Add a dedicated `uv publish` error message for missing usernames ([#8045](https://github.com/astral-sh/uv/pull/8045))
- Support interactive input in `uv publish` ([#8158](https://github.com/astral-sh/uv/pull/8158))
- Use raw filenames in `uv publish` ([#8204](https://github.com/astral-sh/uv/pull/8204))
### Performance
- Reuse the result of `which git` ([#8224](https://github.com/astral-sh/uv/pull/8224))
### Bug fixes
- Avoid environment check optimization for `uv pip install --exact` ([#8219](https://github.com/astral-sh/uv/pull/8219))
- Do not use free-threaded interpreters without a free-threaded request ([#8191](https://github.com/astral-sh/uv/pull/8191))
- Don't recommend `--prerelease=allow` during build requirement resolution errors ([#8192](https://github.com/astral-sh/uv/pull/8192))
- Prefer optimized builds for free-threaded Python downloads ([#8196](https://github.com/astral-sh/uv/pull/8196))
- Retain old `python-build-standalone` releases ([#8216](https://github.com/astral-sh/uv/pull/8216))
- Run `uv build` builds in the source distribution bucket ([#8220](https://github.com/astral-sh/uv/pull/8220))
## 0.4.21
### Enhancements
- Add support for managed installations of free-threaded Python ([#8100](https://github.com/astral-sh/uv/pull/8100))
- Add note about `uvx` to `uv tool run` short help ([#7695](https://github.com/astral-sh/uv/pull/7695))
- Enable HTTP/2 requests ([#8049](https://github.com/astral-sh/uv/pull/8049))
- Support `uv tree --no-dev` ([#8109](https://github.com/astral-sh/uv/pull/8109))
- Support PEP 723 metadata with `uv run -` ([#8111](https://github.com/astral-sh/uv/pull/8111))
- Support `pip install --exact` ([#8044](https://github.com/astral-sh/uv/pull/8044))
- Support `uv export --no-header` ([#8096](https://github.com/astral-sh/uv/pull/8096))
- Add Python 3.13 images to Docker publish ([#8105](https://github.com/astral-sh/uv/pull/8105))
- Support remote (`https://`) scripts in `uv run` ([#6375](https://github.com/astral-sh/uv/pull/6375))
- Allow comma value-delimited arguments in `uv run --with` ([#7909](https://github.com/astral-sh/uv/pull/7909))
### Configuration
- Support wildcards in `UV_INSECURE_HOST` ([#8052](https://github.com/astral-sh/uv/pull/8052))
### Performance
- Use shared index when fetching metadata in lock satisfaction routine ([#8147](https://github.com/astral-sh/uv/pull/8147))
### Bug fixes
- Add prerelease compatibility check to `uv python` CLI ([#8020](https://github.com/astral-sh/uv/pull/8020))
- Avoid deleting a project environment directory if we cannot tell if a `pyvenv.cfg` file exists ([#8012](https://github.com/astral-sh/uv/pull/8012))
- Avoid excluding valid wheels for exact `requires-python` bounds ([#8140](https://github.com/astral-sh/uv/pull/8140))
- Bump `netrc` crate to latest commit ([#8021](https://github.com/astral-sh/uv/pull/8021))
- Fix `uv python pin 3.13t` failure when parsing version for project requires check ([#8056](https://github.com/astral-sh/uv/pull/8056))
- Fix handling of != intersections in `requires-python` ([#7897](https://github.com/astral-sh/uv/pull/7897))
- Remove the newly created tool environment if sync failed ([#8038](https://github.com/astral-sh/uv/pull/8038))
- Respect dynamic extras in `uv lock` and `uv sync` ([#8091](https://github.com/astral-sh/uv/pull/8091))
- Treat resolver failures as fatal in lockfile validation ([#8083](https://github.com/astral-sh/uv/pull/8083))
- Use `git config --get` for author information for improved backwards compatibility ([#8101](https://github.com/astral-sh/uv/pull/8101))
- Use comma-separated values for `UV_FIND_LINKS` ([#8061](https://github.com/astral-sh/uv/pull/8061))
- Use shared resolver state between add and lock to avoid double Git update ([#8146](https://github.com/astral-sh/uv/pull/8146))
- Make `--relocatable` entrypoints robust to symlinking ([#8079](https://github.com/astral-sh/uv/pull/8079))
- Improve compatibility with VSCode PS1 prompt ([#8006](https://github.com/astral-sh/uv/pull/8006))
- Fix "Stream did not contain valid UTF-8" failures in Windows ([#8120](https://github.com/astral-sh/uv/pull/8120))
- Use `--with-requirements` in `uvx` error hint ([#8112](https://github.com/astral-sh/uv/pull/8112))
### Documentation
- Include `uvx` installation in Docker examples ([#8179](https://github.com/astral-sh/uv/pull/8179))
- Make the instructions for the Windows standalone installer consistent across README and documentation ([#8125](https://github.com/astral-sh/uv/pull/8125))
- Update pip compatibility guide to note transitive URL dependency support ([#8081](https://github.com/astral-sh/uv/pull/8081))
- Document `--reinstall` with `--exclude-newer` to ensure downgrades ([#6721](https://github.com/astral-sh/uv/pull/6721))
## 0.4.20
### Enhancements
- Add managed downloads for CPython 3.13.0 (final) ([#8010](https://github.com/astral-sh/uv/pull/8010))
- Python 3.13 is the default version for `uv python install` ([#8010](https://github.com/astral-sh/uv/pull/8010))
- Hint at wrong endpoint in `uv publish` failures ([#7872](https://github.com/astral-sh/uv/pull/7872))
- List available scripts when a command is not specified for `uv run` ([#7687](https://github.com/astral-sh/uv/pull/7687))
- Fill in `authors` field during `uv init` ([#7756](https://github.com/astral-sh/uv/pull/7756))
### Documentation
- Add snapshot testing to contribution guide ([#7882](https://github.com/astral-sh/uv/pull/7882))
- Fix and improve GitLab integration docs ([#8000](https://github.com/astral-sh/uv/pull/8000))
## 0.4.19
### Enhancements
- Add managed downloads for CPython 3.13.0rc3 and 3.12.7 ([#7880](https://github.com/astral-sh/uv/pull/7880))
- Display the target virtual environment path if non-default ([#7850](https://github.com/astral-sh/uv/pull/7850))
- Preserve case-insensitive sorts in `uv add` ([#7864](https://github.com/astral-sh/uv/pull/7864))
- Respect project upper bounds when filtering wheels on `requires-python` ([#7904](https://github.com/astral-sh/uv/pull/7904))
- Add `--script` to `uv run` to treat an input as PEP 723 regardless of extension ([#7739](https://github.com/astral-sh/uv/pull/7739))
- Improve legibility of build failure errors ([#7854](https://github.com/astral-sh/uv/pull/7854))
- Show interpreter source during Python discovery query errors ([#7928](https://github.com/astral-sh/uv/pull/7928))
### Configuration
- Add `UV_FIND_LINKS` environment variable for `--find-links` ([#7912](https://github.com/astral-sh/uv/pull/7912))
- Ignore empty string values for `UV_PYTHON` environment variable ([#7878](https://github.com/astral-sh/uv/pull/7878))
### Bug fixes
- Allow `py3x-none` tags in newer than Python 3.x ([#7867](https://github.com/astral-sh/uv/pull/7867))
- Allow self-dependencies in the `dev` section ([#7943](https://github.com/astral-sh/uv/pull/7943))
- Always ignore `cp2` wheels in resolution ([#7902](https://github.com/astral-sh/uv/pull/7902))
- Clear the publish progress bar on retry ([#7921](https://github.com/astral-sh/uv/pull/7921))
- Fix parsing of `gnueabi` libc variants in Python version requests ([#7975](https://github.com/astral-sh/uv/pull/7975))
- Simplify supported environments when comparing to lockfile ([#7894](https://github.com/astral-sh/uv/pull/7894))
- Trim commits when reading from Git refs ([#7922](https://github.com/astral-sh/uv/pull/7922))
- Use a higher HTTP read timeout when publishing packages ([#7923](https://github.com/astral-sh/uv/pull/7923))
- Remove the first empty line for `uv tree --package foo` ([#7885](https://github.com/astral-sh/uv/pull/7885))
### Documentation
- Add 3.13 support to the platform reference ([#7971](https://github.com/astral-sh/uv/pull/7971))
- Clarify project environment creation ([#7941](https://github.com/astral-sh/uv/pull/7941))
- Fix code block title in Gitlab integration docs ([#7861](https://github.com/astral-sh/uv/pull/7861))
- Fix project guide section on adding a Git dependency ([#7916](https://github.com/astral-sh/uv/pull/7916))
- Fix uninstallation command for Windows ([#7944](https://github.com/astral-sh/uv/pull/7944))
- Clearly specify the minimum supported Windows Server version ([#7946](https://github.com/astral-sh/uv/pull/7946))
### Rust API
- Remove unused `Sha256Reader` ([#7929](https://github.com/astral-sh/uv/pull/7929))
- Remove unnecessary `Deserialize` derives on settings ([#7856](https://github.com/astral-sh/uv/pull/7856))
## 0.4.18
### Enhancements
- Allow multiple source entries for each package in `tool.uv.sources` ([#7745](https://github.com/astral-sh/uv/pull/7745))
- Add `.gitignore` file to `uv build` output directory ([#7835](https://github.com/astral-sh/uv/pull/7835))
- Disable jemalloc on FreeBSD ([#7780](https://github.com/astral-sh/uv/pull/7780))
- Respect `PAGER` env var when paging in `uv help` command ([#5511](https://github.com/astral-sh/uv/pull/5511))
- Support `uv run -m foo` to run a module ([#7754](https://github.com/astral-sh/uv/pull/7754))
- Use a top-level output directory for `uv build` in workspaces ([#7813](https://github.com/astral-sh/uv/pull/7813))
- Update `uv init --package` command to match project name ([#7670](https://github.com/astral-sh/uv/pull/7670))
- Add a custom suggestion for `uv add dotenv` ([#7799](https://github.com/astral-sh/uv/pull/7799))
- Add detailed errors for `tool.uv.sources` deserialization failures ([#7823](https://github.com/astral-sh/uv/pull/7823))
- Improve error message copy for failed builds ([#7849](https://github.com/astral-sh/uv/pull/7849))
- Use `serde-untagged` to improve some untagged enum error messages ([#7822](https://github.com/astral-sh/uv/pull/7822))
- Use build failure hints for `dotenv` errors, rather than in `uv add` ([#7825](https://github.com/astral-sh/uv/pull/7825))
### Configuration
- Add `UV_NO_SYNC` environment variable ([#7752](https://github.com/astral-sh/uv/pull/7752))
### Bug fixes
- Accept `git+` prefix in `tool.uv.sources` ([#7847](https://github.com/astral-sh/uv/pull/7847))
- Allow spaces in path requirements ([#7767](https://github.com/astral-sh/uv/pull/7767))
- Avoid reusing cached downloaded binaries with `--no-binary` ([#7772](https://github.com/astral-sh/uv/pull/7772))
- Correctly trims values during wheel WHEEL file parsing ([#7770](https://github.com/astral-sh/uv/pull/7770))
- Fix `uv tree --invert` for platform dependencies ([#7808](https://github.com/astral-sh/uv/pull/7808))
- Fix encoding mismatch between python child process and uv ([#7757](https://github.com/astral-sh/uv/pull/7757))
- Reject self-dependencies in `uv add` ([#7766](https://github.com/astral-sh/uv/pull/7766))
- Respect `tool.uv.environments` for legacy virtual workspace roots ([#7824](https://github.com/astral-sh/uv/pull/7824))
- Retain empty extras on workspace members ([#7762](https://github.com/astral-sh/uv/pull/7762))
- Use file stem when parsing cached wheel names ([#7773](https://github.com/astral-sh/uv/pull/7773))
### Rust API
- Make `FlatDistributions` public ([#7833](https://github.com/astral-sh/uv/pull/7833))
### Documentation
- Fix table of contents sizing ([#7751](https://github.com/astral-sh/uv/pull/7751))
- GitLab Integration documentation ([#6857](https://github.com/astral-sh/uv/pull/6857))
- Update documentation to setup-uv@v3 ([#7807](https://github.com/astral-sh/uv/pull/7807))
- Use `uv publish` instead of twine in docs ([#7837](https://github.com/astral-sh/uv/pull/7837))
- Fix typo in `projects.md` ([#7784](https://github.com/astral-sh/uv/pull/7784))
## 0.4.17