Update dependency uv_build to >=0.9.21,<0.10.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
uv_build (source, changelog)	>=0.8.13,<0.9.0 → >=0.9.21,<0.10.0

---

Release Notes

astral-sh/uv (uv_build)

v0.9.21

Compare Source

Released on 2025-12-30.

Bug fixes

• Fix regression where zstd distribution hashes were not considered valid (#​17265)

Documentation

• Fix a typo in the resolution documentation (#​17258)
• Fix a typo in python install --default documentation (#​9826)

v0.9.20

Released on 2025-12-29.

This is a re-release of 0.9.20, with internal crate versions incremented to enable publishing to crates.io.

v0.9.19

Released on 2025-12-29.

Python

• Add CPython 3.15.0a3 (#​17165)

Enhancements

• Allow uv pip compile to install missing python interpreters in cases where it would otherwise fail (#​17216)
• Avoid creating file contents with uv init --bare --script (#​17162)
• Respect --torch-backend in uv tool commands (#​17117)
• Support comma-separated values in --no-binary and --only-binary (#​17185)

Preview features

• Summarize package changes in uv sync with JSON output format (#​16981)

Performance

• Avoid two hot String allocations in deserialization (#​17221)
• Cache NVIDIA-hosted wheels by default (#​17164)

Bug fixes

• Avoid enforcing incorrect hash in mixed-hash settings (#​17157)
• Fix retry counts in cached client (#​17104)
• Respect UV_PYTHON_DOWNLOAD_MIRROR in uv python list (#​16673)
• Support remote pylock.toml files (#​17119)
• Avoid flagging proxied Git URLs as ambiguous authority (#​17234)
• Fix dropped support of - in pip constraints, overrides, and excludes (#​17188)

v0.9.18

Compare Source

Released on 2025-12-16.

Enhancements

• Add value hints to command line arguments to improve shell completion accuracy (#​17080)
• Improve error handling in uv publish (#​17096)
• Improve rendering of multiline error messages (#​17132)
• Support redirects in uv publish (#​17130)
• Include Docker images with the alpine version, e.g., python3.x-alpine3.23 (#​17100)

Configuration

• Accept --torch-backend in [tool.uv] (#​17116)

Performance

• Speed up uv cache size (#​17015)
• Initialize S3 signer once (#​17092)

Bug fixes

• Avoid panics due to reads on failed requests (#​17098)
• Enforce latest-version in @latest requests (#​17114)
• Explicitly set EntryType for file entries in tar (#​17043)
• Ignore pyproject.toml index username in lockfile comparison (#​16995)
• Relax error when using uv add with UV_GIT_LFS set (#​17127)
• Support file locks on ExFAT on macOS (#​17115)
• Change schema for exclude-newer into optional string (#​17121)

Documentation

• Drop arm musl caveat from Docker documentation (#​17111)
• Fix version reference in resolver example (#​17085)
• Better documentation for exclude-newer* (#​17079)

v0.9.17

Compare Source

Released on 2025-12-09.

Enhancements

• Add torch-tensorrt and torchao to the PyTorch list (#​17053)
• Add hint for misplaced --verbose in uv tool run (#​17020)
• Add support for relative durations in exclude-newer (a.k.a., dependency cooldowns) (#​16814)
• Add support for relocatable nushell activation script (#​17036)

Bug fixes

• Respect dropped (but explicit) indexes in dependency groups (#​17012)

Documentation

• Improve source-exclude reference docs (#​16832)
• Recommend UV_NO_DEV in Docker installs (#​17030)
• Update UV_VERSION in docs for GitLab CI/CD (#​17040)

v0.9.16

Compare Source

Released on 2025-12-06.

Python

• Add CPython 3.14.2
• Add CPython 3.13.11

Enhancements

• Add a 5m default timeout to acquiring file locks to fail faster on deadlock (#​16342)
• Add a stub debug subcommand to uv pip announcing its intentional absence (#​16966)
• Add bounds in uv add --script (#​16954)
• Add brew specific message for uv self update (#​16838)
• Error when built wheel is for the wrong platform (#​16074)
• Filter wheels from PEP 751 files based on --no-binary et al in uv pip compile (#​16956)
• Support --target and --prefix in uv pip list, uv pip freeze, and uv pip show (#​16955)
• Tweak language for build backend validation errors (#​16720)
• Use explicit credentials cache instead of global static (#​16768)
• Enable SIMD in HTML parsing (#​17010)

Preview features

• Fix missing preview warning in uv workspace metadata (#​16988)
• Add a uv auth helper --protocol bazel command (#​16886)

Bug fixes

• Fix Pyston wheel compatibility tags (#​16972)
• Allow redundant entries in tool.uv.build-backend.module-name but emit warnings (#​16928)
• Fix infinite loop in non-attribute re-treats during HTML parsing (#​17010)

Documentation

• Clarify --project flag help text to indicate project discovery (#​16965)
• Regenerate the crates.io READMEs on release (#​16992)
• Update Docker integration guide to prefer COPY over ADD for simple cases (#​16883)
• Update PyTorch documentation to include information about supporting CUDA 13.0.x (#​16957)
• Update the versioning policy (#​16710)
• Upgrade PyTorch documentation to latest versions (#​16970)

v0.9.15

Compare Source

Released on 2025-12-02.

Python

• Add CPython 3.14.1
• Add CPython 3.13.10

Enhancements

• Add ROCm 6.4 to --torch-backend=auto (#​16919)
• Add a Windows manifest to uv binaries (#​16894)
• Add LFS toggle to Git sources (#​16143)
• Cache source reads during resolution (#​16888)
• Allow reading requirements from scripts without an extension (#​16923)
• Allow reading requirements from scripts with HTTP(S) paths (#​16891)

Configuration

• Add UV_HIDE_BUILD_OUTPUT to omit build logs (#​16885)

Bug fixes

• Fix uv-trampoline-builder builds from crates.io by moving bundled executables (#​16922)
• Respect NO_COLOR and always show the command as a header when paging uv help output (#​16908)
• Use 0o666 permissions for flock files instead of 0o777 (#​16845)
• Revert "Bump astral-tl to v0.7.10 (#​16887)" to narrow down a regression causing hangs in metadata retrieval (#​16938)

Documentation

• Link to the uv version in crates.io member READMEs (#​16939)

v0.9.14

Compare Source

Released on 2025-12-01.

Performance

• Bump astral-tl to v0.7.10 to enable SIMD for HTML parsing (#​16887)

Bug fixes

• Allow earlier post releases with exclusive ordering (#​16881)
• Prefer updating existing .zshenv over creating a new one in tool update-shell (#​16866)
• Respect -e flags in uv add (#​16882)

Enhancements

• Attach subcommand to User-Agent string (#​16837)
• Prefer UV_WORKING_DIR over UV_WORKING_DIRECTORY for consistency (#​16884)

v0.9.13

Compare Source

Released on 2025-11-26.

Bug fixes

• Revert "Allow --with-requirements to load extensionless inline-metadata scripts" to fix reading of requirements files from streams (#​16861)
• Validate URL wheel tags against Requires-Python and required environments (#​16824)

Documentation

• Drop unpublished crates from the uv crates.io README (#​16847)
• Fix the links to uv in crates.io member READMEs (#​16848)

v0.9.12

Compare Source

Released on 2025-11-24.

Enhancements

• Allow --with-requirements to load extensionless inline-metadata scripts (#​16744)
• Collect and upload PEP 740 attestations during uv publish (#​16731)
• Prevent uv export from overwriting pyproject.toml (#​16745)

Documentation

• Add a crates.io README for uv (#​16809)
• Add documentation for intermediate Docker layers in a workspace (#​16787)
• Enumerate workspace members in the uv crate README (#​16811)
• Fix documentation links for crates (#​16801)
• Generate a crates.io README for uv workspace members (#​16812)
• Move the "Export" guide to the projects concept section (#​16835)
• Update the cargo install recommendation to use crates (#​16800)
• Use the word "internal" in crate descriptions (#​16810)

v0.9.11

Compare Source

Released on 2025-11-20.

Python

• Add CPython 3.15.0a2

See the python-build-standalone release notes for details.

Enhancements

• Add SBOM support to uv export (#​16523)
• Publish to crates.io (#​16770)

Preview features

• Add uv workspace list --paths (#​16776)
• Fix the preview warning on uv workspace dir (#​16775)

Bug fixes

• Fix uv init author serialization via toml_edit inline tables (#​16778)
• Fix status messages without TTY (#​16785)
• Preserve end-of-line comment whitespace when editing pyproject.toml (#​16734)
• Disable always-authenticate when running under Dependabot (#​16773)

Documentation

• Document the new behavior for free-threaded python versions (#​16781)
• Improve note about build system in publish guide (#​16788)
• Move do not upload publish note out of the guide into concepts (#​16789)

v0.9.10

Compare Source

Released on 2025-11-17.

Enhancements

• Add support for SSL_CERT_DIR (#​16473)
• Enforce UTF‑8-encoded license files during uv build (#​16699)
• Error when a project.license-files glob matches nothing (#​16697)
• pip install --target (and sync) install Python if necessary (#​16694)
• Account for python_downloads_json_url in pre-release Python version warnings (#​16737)
• Support HTTP/HTTPS URLs in uv python --python-downloads-json-url (#​16542)

Preview features

• Add support for --upgrade in uv python install (#​16676)
• Fix handling of python install --default for pre-release Python versions (#​16706)
• Add uv workspace list to list workspace members (#​16691)

Bug fixes

• Don't check file URLs for ambiguously parsed credentials (#​16759)

Documentation

• Add a "storage" reference document (#​15954)

v0.9.9

Compare Source

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)

v0.9.8

Compare Source

Released on 2025-11-07.

Enhancements

• Accept multiple packages in uv export (#​16603)
• Accept multiple packages in uv sync (#​16543)
• Add a uv cache size command (#​16032)
• Add prerelease guidance for build-system resolution failures (#​16550)
• Allow Python requests to include +gil to require a GIL-enabled interpreter (#​16537)
• Avoid pluralizing 'retry' for single value (#​16535)
• Enable first-class dependency exclusions (#​16528)
• Fix inclusive constraints on available package versions in resolver errors (#​16629)
• Improve uv init error for invalid directory names (#​16554)
• Show help on uv build -h (#​16632)
• Include the Python variant suffix in "Using Python ..." messages (#​16536)
• Log most recently modified file for cache-keys (#​16338)
• Update Docker builds to use nightly Rust toolchain with musl v1.2.5 (#​16584)
• Add GitHub attestations for uv release artifacts (#​11357)

Configuration

• Expose UV_NO_GROUP as an environment variable (#​16529)
• Add UV_NO_SOURCES as an environment variable (#​15883)

Bug fixes

• Allow --check and --locked to be used together in uv lock (#​16538)
• Allow for unnormalized names in the METADATA file (#​16547) (#​16548)
• Fix missing value_type for default-groups in schema (#​16575)
• Respect multi-GPU outputs in nvidia-smi (#​15460)
• Fix DNS lookup errors in Docker containers (#​8450)

Documentation

• Fix typo in uv tool list doc (#​16625)
• Note uv pip list name normalization in docs (#​13210)

Other changes

• Update Rust toolchain to 1.91 and MSRV to 1.89 (#​16531)

v0.9.7

Compare Source

Released on 2025-10-30.

Enhancements

• Add Windows x86-32 emulation support to interpreter architecture checks (#​13475)
• Improve readability of progress bars (#​16509)

Bug fixes

• Drop terminal coloring from uv auth token output (#​16504)
• Don't use UV_LOCKED to enable --check flag (#​16521)

v0.9.6

Compare Source

Released on 2025-10-29.

This release contains an upgrade to Astral's fork of async_zip, which addresses potential sources of ZIP parsing differentials between uv and other Python packaging tooling. See GHSA-pqhf-p39g-3x64 for additional details.

Security

• Address ZIP parsing differentials (GHSA-pqhf-p39g-3x64)

Python

• Upgrade GraalPy to 25.0.1 (#​16401)

Enhancements

• Add --clear to uv build to remove old build artifacts (#​16371)
• Add --no-create-gitignore to uv build (#​16369)
• Do not error when a virtual environment directory cannot be removed due to a busy error (#​16394)
• Improve hint on pip install --system when externally managed (#​16392)
• Running uv lock --check with outdated lockfile will print that --check was passed, instead of --locked (#​16322)
• Update uv init template for Maturin (#​16449)
• Improve ordering of Python sources in logs (#​16463)
• Restore DockerHub release images and annotations (#​16441)

Bug fixes

• Check for matching Python implementation during uv python upgrade (#​16420)
• Deterministically order --find-links distributions (#​16446)
• Don't panic in uv export --frozen when the lockfile is outdated (#​16407)
• Fix root of uv tree when --package is used with circular dependencies (#​15908)
• Show package list with pip freeze --quiet (#​16491)
• Limit uv auth login pyx.dev retries to 60s (#​16498)
• Add an empty group with uv add --group ... -r ... (#​16490)

Documentation

• Update docs for maturin build backend init template (#​16469)
• Update docs to reflect previous changes to signal forwarding semantics (#​16430)
• Add instructions for installing via MacPorts (#​16039)

v0.9.5

Compare Source

Released on 2025-10-21.

This release contains an upgrade to astral-tokio-tar, which addresses a vulnerability in tar extraction on malformed archives with mismatching size information between the ustar header and PAX extensions. While the astral-tokio-tar advisory has been graded as "high" due its potential broader impact, the specific impact to uv is low due to a lack of novel attacker capability. Specifically, uv only processes tar archives from source distributions, which already possess the capability for full arbitrary code execution by design, meaning that an attacker gains no additional capabilities through astral-tokio-tar.

Regardless, we take the hypothetical risk of parser differentials very seriously. Out of an abundance of caution, we have assigned this upgrade an advisory: GHSA-w476-p2h3-79g9

Security

• Upgrade astral-tokio-tar to 0.5.6 to address a parsing differential (#​16387)

Enhancements

• Add required environment marker example to hint (#​16244)
• Fix typo in MissingTopLevel warning (#​16351)
• Improve 403 Forbidden error message to indicate package may not exist (#​16353)
• Add a hint on uv pip install failure if the --system flag is used to select an externally managed interpreter (#​16318)

Bug fixes

• Fix backtick escaping for PowerShell (#​16307)

Documentation

• Document metadata consistency expectation (#​15683)
• Remove outdated aarch64 musl note (#​16385)

v0.9.4

Compare Source

Released on 2025-10-17.

Enhancements

• Add CUDA 13.0 support (#​16321)
• Add auto-detection for Intel GPU on Windows (#​16280)
• Implement display of RFC 9457 HTTP error contexts (#​16199)

Bug fixes

• Avoid obfuscating pyx tokens in uv auth token output (#​16345)

v0.9.3

Compare Source

Released on 2025-10-14.

Python

• Add CPython 3.15.0a1
• Add CPython 3.13.9

Enhancements

• Obfuscate secret token values in logs (#​16164)

Bug fixes

• Fix workspace with relative pathing (#​16296)

v0.9.2

Compare Source

Released on 2025-10-10.

Python

• Add CPython 3.9.24.
• Add CPython 3.10.19.
• Add CPython 3.11.14.
• Add CPython 3.12.12.

Enhancements

• Avoid inferring check URLs for pyx in uv publish (#​16234)
• Add uv tool list --show-python (#​15814)

Documentation

• Add missing "added in" to new environment variables in reference (#​16217)

v0.9.1

Compare Source

Released on 2025-12-16.

Enhancements

• Add value hints to command line arguments to improve shell completion accuracy (#​17080)
• Improve error handling in uv publish (#​17096)
• Improve rendering of multiline error messages (#​17132)
• Support redirects in uv publish (#​17130)
• Include Docker images with the alpine version, e.g., python3.x-alpine3.23 (#​17100)

Configuration

• Accept --torch-backend in [tool.uv] (#​17116)

Performance

• Speed up uv cache size (#​17015)
• Initialize S3 signer once (#​17092)

Bug fixes

• Avoid panics due to reads on failed requests (#​17098)
• Enforce latest-version in @latest requests (#​17114)
• Explicitly set EntryType for file entries in tar (#​17043)
• Ignore pyproject.toml index username in lockfile comparison (#​16995)
• Relax error when using uv add with UV_GIT_LFS set (#​17127)
• Support file locks on ExFAT on macOS (#​17115)
• Change schema for exclude-newer into optional string (#​17121)

Documentation

• Drop arm musl caveat from Docker documentation (#​17111)
• Fix version reference in resolver example (#​17085)
• Better documentation for exclude-newer* (#​17079)

v0.9.0

Compare Source

Released on 2025-10-07.

This breaking release is primarily motivated by the release of Python 3.14, which contains some breaking changes (we recommend reading the "What's new in Python 3.14" page). uv may use Python 3.14 in cases where it previously used 3.13, e.g., if you have not pinned your Python version and do not have any Python versions installed on your machine. While we think this is uncommon, we prefer to be cautious. We've included some additional small changes that could break workflows.

See our Python 3.14 blog post for some discussion of features we're excited about!

There are no breaking changes to uv_build. If you have an upper bound in your [build-system] table, you should update it.

Breaking changes

• Python 3.14 is now the default stable version

  The default Python version has changed from 3.13 to 3.14. This applies to Python version installation when no Python version is requested, e.g., uv python install. By default, uv will use the system Python version if present, so this may not cause changes to general use of uv. For example, if Python 3.13 is installed already, then uv venv will use that version. If no Python versions are installed on a machine and automatic downloads are enabled, uv will now use 3.14 instead of 3.13, e.g., for uv venv or uvx python. This change will not affect users who are using a .python-version file to pin to a specific Python version.

• Allow use of free-threaded variants in Python 3.14+ without explicit opt-in (#​16142)

  Previously, free-threaded variants of Python were considered experimental and required explicit opt-in (i.e., with 3.14t) for usage. Now uv will allow use of free-threaded Python 3.14+ interpreters without explicit selection. The GIL-enabled build of Python will still be preferred, e.g., when performing an installation with uv python install 3.14. However, e.g., if a free-threaded interpreter comes before a GIL-enabled build on the PATH, it will be used. This change does not apply to free-threaded Python 3.13 interpreters, which will continue to require opt-in.

• Use Python 3.14 stable Docker images (#​16150)

  Previously, the Python 3.14 images had an -rc suffix, e.g., python:3.14-rc-alpine or
  python:3.14-rc-trixie. Now, the -rc suffix has been removed to match the stable
  upstream images. The -rc images tags will no longer be
  updated. This change should not break existing workflows.

• Upgrade Alpine Docker image to Alpine 3.22

  Previously, the uv:alpine Docker image was based on Alpine 3.21. Now, this image is based on Alpine 3.22. The previous image can be recovered with uv:alpine3.21 and will continue to be updated until a future release.

• Upgrade Debian Docker images to Debian 13 "Trixie"

  Previously, the uv:debian and uv:debian-slim Docker images were based on Debian 12 "Bookworm". Now, these images are based on Debian 13 "Trixie". The previous images can be recovered with uv:bookworm and uv:bookworm-slim and will continue to be updated until a future release.

• Fix incorrect output path when a trailing / is used in uv build (#​15133)

  When using uv build in a workspace, the artifacts are intended to be written to a dist directory in the workspace root. A bug caused workspace root determination to fail when the input path included a trailing / causing the dist directory to be placed in the child directory. This bug has been fixed in this release. For example, uv build child/ is used, the output path will now be in <workspace root>/dist/ rather than <workspace root>/child/dist/.

Python

• Add CPython 3.14.0
• Add CPython 3.13.8

Enhancements

• Don't warn when a dependency is constrained by another dependency (#​16149)

Bug fixes

• Fix uv python upgrade / install output when there is a no-op for one request (#​16158)
• Surface pinned-version hint when uv tool upgrade can’t move the tool (#​16081)
• Ban pre-release versions in uv python upgrade requests (#​16160)
• Fix uv python upgrade replacement of installed binaries on pre-release to stable (#​16159)

Documentation

• Update uv pip compile args in layout.md (#​16155)

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