chore(deps): update dependency astral-sh/uv to v0.12.19

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
astral-sh/uv		patch	0.12.5 → 0.12.19
astral-sh/uv	uses-with	patch	0.12.5 → 0.12.19

---

Release Notes

astral-sh/uv (astral-sh/uv)

v0.12.19

Compare Source

Released on 2026-09-24.

Python

• Add PyPy 3.11.16 and 3.12.14 (#​21847)
• Update GraalPy 3.13.0 to build 25.4.4 (#​21847)

Enhancements

• Format upload URLs with backticks in uv publish errors (#​21934)

Preview features

• Run build-backend hooks with lazy imports on CPython 3.15 and later using the build-lazy-imports preview feature (#​21967)
• Omit unused resolution settings from uv.lock and ignore changes to them when checking lockfile freshness with the resolution-inputs preview feature (#​21913)

Bug fixes

• Preserve signed and encoded query parameters in direct-URL metadata to avoid reinstalling unchanged packages (#​21971)
• Recognize 1.0.0 as satisfying ===1 during installed-package checks, matching resolution (#​21931)
• Avoid collisions between Git checkout readiness markers and .ok files in dependencies (#​21891)
• Preserve always-false python_version markers when parsing their serialized form (#​21939)

Rust API

• Restore the public FlatDistributions export and its BTreeMap conversion for downstream resolvers (#​21965)

Documentation

• Make individual preview-feature reference entries linkable by name (#​21950)

v0.12.18

Compare Source

Released on 2026-09-22.

Enhancements

• Add --output-format json to uv pip install and uv pip sync, including for --dry-run and --check (#​21893)
• Add --check to uv pip install and uv pip sync to report planned changes without modifying the environment (#​21844)
• Identify failures from get_requires_for_build_* hooks correctly in build errors (#​21881)

Preview features

• Validate build requirements for uv build --no-build-isolation with --preview-features build-dependency-check; use --skip-dependency-check to opt out (#​21880)

Performance

• Speed up uv_build editable wheel creation by omitting compression from temporary wheels (#​21918)

Bug fixes

• Select package versions with wheels compatible with each Python resolution fork, correctly interpreting generic and stable-ABI wheel tags (#​21835, #​21836)
• Restore project, script, and lock files when uv add, uv remove, or uv version fails or is interrupted (#​21860, #​21856)
• Use configured dependency-metadata when checking whether installed requirements are satisfied (#​21843)
• Reject archive entries that normalize to absolute Windows paths (#​21923)
• Recognize distribution filenames and archive extensions when URL fragments contain ? (#​21920)
• Generate correctly lowercased platform tags for BSD and Haiku releases (#​21853)
• Avoid rebuilding a Windows relative path into an absolute form (#​21923)

v0.12.17

Compare Source

Released on 2026-09-18.

Enhancements

• Reject unsupported Git archive paths in lockfiles with a clear error instead of panicking during frozen exports (#​21780)

Preview features

• Set minimum glibc and musl versions that universal resolutions must support with minimum-libc-version (#​21651)
• Reject pylock.toml files whose wheel filenames do not match their declared package names or versions (#​20746)
• Keep uv workspace metadata read-only unless --sync is provided (#​21821)
• Apply uv check lock modes when retrieving workspace metadata (#​21821)

Performance

• Speed up builds with many exclusion patterns by avoiding quadratic deduplication (#​21650)
• Reduce resolver allocations when deduplicating package and distribution requests (#​21810)

Bug fixes

• Prevent required-environments from selecting package versions whose wheels require a newer macOS version than the configured Darwin baseline (#​21825)

Documentation

• Clarify the 0.12.14 and 0.12.15 release notes (#​21817)

v0.12.16

Compare Source

Released on 2026-09-17.

Python

• Add Pyodide 314.0.7, 0.29.5, and 0.27.8 (#​21741)

Enhancements

• Verify downloaded wheels and source distributions against hashes supplied by package indexes (#​21562)
• Allow build-constraint-dependencies entries to include hashes for verifying downloaded build dependencies (#​21467)
• Honor Darwin platform_release markers in required-environments using macOS wheel deployment targets (#​21766)
• Reject unsupported Git URL schemes while parsing lockfiles instead of panicking during frozen exports (#​21779)

Preview features

• Support lock-without-metadata across all dependency types while retaining package.metadata for remote URL dependencies to enable offline validation (#​21163)
• Honor configured and command-line index settings, including credentials, in uv upgrade (#​21776)
• Allow uv check to run in projects that are not managed by uv and outside workspaces (#​21777)
• Respect --python and UV_PYTHON when selecting the Python version for uv check (#​21744)

Bug fixes

• Redact Azure shared access signatures from displayed and logged URLs (#​21755)
• Check archive sizes from pylock.toml before reusing cached distributions (#​21609)
• Keep user-authored local dependency paths relative in lockfiles when backend metadata reports absolute paths (#​20631)
• Use the bundled uv_build backend only when its version matches active version pins (#​21742)
• Handle malformed index URLs without panicking when credentials are configured (#​21784)
• Report a configuration error instead of panicking for proxy URLs without a host (#​21781)
• Return a credential-redacted error instead of panicking when a URL cannot be converted to a path (#​21783)

v0.12.15

Compare Source

Released on 2026-09-15.

This release fixes a regression in 0.12.14 that lead to rejecting valid installation commands such as using
uv pip install --system in python:* docker images or when using uv pip install --target .. (#​21699)

Performance

• Speed up cold-cache resolution and HTTP cache revalidation by batching cache writes (#​21675)

Bug fixes

• Revert "Reject symlinked wheel installation destinations" (#​21699)

v0.12.14

Compare Source

Released on 2026-09-15.

Package-operation errors now use uv's standard diagnostics, with consistent hints and compact, labeled cause chains. (#​17110, #​21599, #​21603)

Package-operation exit codes now reflect the underlying cause: expected failures return 1, while recognized operational and internal failures return 2. (#​17110)

Enhancements

• Resume interrupted downloads with HTTP Range requests when supported (#​21570)
• Show underlying causes and hints in user warnings (#​21565)
• Show resolver hints for failed uv tool upgrade operations (#​21566)

Preview features

• Export multiple dependency selections from a shared lockfile in one uv export --batch invocation with the batch-export preview feature (#​21618)

Performance

• Speed up dependency resolution from local wheelhouses by reading wheel metadata in a single blocking task (#​21619)
• Speed up cold resolution against large package indexes by parsing Simple API responses in bounded background workers (#​21593)
• Speed up warm-cache resolution by decoding fresh HTTP cache entries in the cache-read task (#​21621)

Bug fixes

• Select releases that satisfy required-environments within each resolver fork instead of combining incompatible wheel coverage across forks (#​21672)
• Install packages with paths longer than MAX_PATH on Windows systems without long-path support enabled (#​21625)
• Prevent uv python install from overwriting valid unmanaged Python symlinks with relative targets on Unix (#​21639)
• Redact credentials and signatures from missing-path-segment URL errors (#​21616)
• Avoid exceeding the configured retry budget when cached HTTP responses fail revalidation (#​21640)
• Prefer bin/python over bin/python3 when discovering interpreters in Unix environments (#​21559)
• Suppress managed-Python fallback warnings under --quiet (#​21565)
• Keep failed uv tool upgrade errors visible with -q while suppressing them with -qq (#​21566)

v0.12.13

Compare Source

Released on 2026-09-10.

Python

• Add GraalPy 3.13.0 (#​21431)

Enhancements

• Verify hashes when downloading PEP 658 metadata sidecars (#​21563)

Preview features

• Respect ty exclusions when uv check automatically selects members of a virtual workspace (#​21555)

Performance

• Avoid full wheel downloads during resolution by reusing supported hashes from direct URL fragments when metadata is available separately (#​21279)

Bug fixes

• Edit Windows entry-point launcher resources in memory to support Nano Server and reduce antivirus contention (#​18713)
• Prefer core-metadata over legacy aliases in JSON index responses (#​21563)

v0.12.12

Compare Source

Released on 2026-09-09.

The executables in our macOS and Windows release archives and uv and uv_build wheels are now code-signed. macOS executables are signed with an Apple Developer ID certificate and notarized by Apple. Windows executables have timestamped Authenticode signatures from Azure Artifact Signing. This enables verification of the release publisher and binary integrity, supports publisher-based allowlisting, and should reduce security warnings and antivirus false positives.

Bug fixes

• Exclude distributions uploaded after the exclude-newer cutoff from lockfiles and generated requirement hashes (#​21539)

v0.12.11

Compare Source

Released on 2026-09-08.

Preview features

• Generate missing artifact hashes when exporting pylock.toml files to ensure they conform to PEP 751 (#​20146)
• Warn when pylock.toml artifact hash tables are empty, which will be rejected in a future uv release (#​21462)

Performance

• Speed up installs that overwrite existing files by eliminating per-file temporary directories for atomic hard-link, symlink, and reflink replacements (#​21478)
• Speed up installs that merge copied wheels into existing environments by replacing per-file temporary directories with adjacent temporary files (#​21468)
• Speed up local wheel installs by replacing the shared ZIP cursor lock with positioned reads (#​21500)
• Speed up local wheel installs by reusing ZIP readers and buffers across extracted files (#​21499)
• Avoid transitive dependency checks and unnecessary resolution when uv pip install --no-deps finds the requested packages already installed (#​21523)

Bug fixes

• Verify source archives against hashes recorded in uv.lock before reading their metadata or running their build backends (#​21223)
• Verify supplied hashes for registry requirements pinned with === under both --verify-hashes and --require-hashes (#​21543)
• Apply hashes from public-version pins to matching local versions when no exact local-version hash is provided (#​21544)
• Support PowerShell virtual environment activation from UNC paths, including WSL paths (#​19159)
• Trim surrounding whitespace from entries in .python-version and .python-versions files (#​21529)
• Suppress VIRTUAL_ENV mismatch warnings for uv add --no-sync, uv remove --no-sync, and uv add --frozen (#​21496)
• Warn and continue when uv python list cannot query an interpreter (#​21498)

Documentation

• Restore TOML syntax highlighting for exclude-newer examples (#​21534)

v0.12.10

Compare Source

Released on 2026-09-04.

Enhancements

• Attempt to revoke short-lived PyPI trusted-publishing tokens after uv publish completes, including when publishing fails (#​21423)

Preview features

• Omit exclude-newer-package settings for packages outside the resolution from uv.lock with the missing-exclude-newer-package-lock preview feature (#​21455)
• Show terminal dependency cycles in uv tree --invert output (#​21404)

Performance

• Speed up locking large workspaces with conflicts by excluding unrelated extras and dependency groups from conflict simplification (#​21399)
• Speed up uv publish by hashing each artifact in a single blocking task and reusing the buffer across reads (#​21389)

Bug fixes

• Prevent --locked from failing when exclude-newer-package settings differ only for packages outside the resolution (#​21454)
• Allow uv lock --check to reuse a lockfile when an absolute exclude-newer cutoff is moved later (#​19571)
• Allow uv lock --check to reuse a lockfile when a package-specific exclude-newer cutoff is disabled (#​21450)
• Require an explicit --name when uv init would infer a project name reserved for a Python interpreter (#​21395)
• Write package-specific exclude-newer cutoffs to uv.lock in a deterministic order (#​21453)

v0.12.9

Compare Source

Released on 2026-09-01.

Python

• Add CPython 3.15.0rc2 (#​21413, #​21415)

Enhancements

• Add --no-locked and --no-frozen to disable lock modes enabled by UV_LOCKED and UV_FROZEN for a single invocation (#​21408)
• Report the exact command-line lock-mode flag in warnings and errors (#​21402)

Performance

• Speed up cold wheel installs by extracting each streaming ZIP archive in a single blocking task and reusing buffers across files (#​21372)

Bug fixes

• Update async_http_range_reader to 0.11.1 to address a potential memory-safety issue when reading metadata ranges from untrusted wheels (#​21401)
• Remove sensitive headers when redirects cross authentication realms, including same-host redirects that change URL schemes (#​21382)
• Redact secrets in signed URLs from retry diagnostics, including nested request errors (#​21381)
• Give --locked, --frozen, --check, and --check-exists precedence over conflicting UV_LOCKED and UV_FROZEN values (#​21396)
• Prevent concurrent uv processes from redundantly extracting the same local or source-built wheel (#​21400)

v0.12.8

Compare Source

Released on 2026-08-31.

Enhancements

• Warn about invalid tool directories and continue upgrading valid tools with uv tool upgrade --all (#​21368)

Preview features

• Deduplicate identical files within and across cached wheels with the content-addressed-cache preview feature (#​21327)
• Reduce allocations while extracting content-addressed wheels by reusing the hashing buffer across files (#​21340)
• Speed up content-addressed cache cleanup on macOS by reading hard-link counts in bulk (#​21344)

Performance

• Prevent concurrent uv processes from downloading and extracting the same remote wheel more than once (#​21379)
• Speed up dependency graph construction from large lockfiles by indexing packages during traversal (#​21373)
• Extend indexed lockfile traversal to exports, dependency trees, audits, and freshness checks (#​21377)
• Speed up warm resolutions by reducing repeated marker interner work (#​21300)

Bug fixes

• Do not trust hashes from direct URLs discovered only in wheel metadata when installing with --require-hashes (#​21348)
• Use a compatible Azure Storage API version for anonymous and authenticated requests, allowing credential retries when public access is disabled (#​21366)
• Redact Azure shared access signature (sig) query parameters from displayed URLs (#​21360)
• Treat projects below one-level workspace member globs as standalone instead of aborting workspace discovery (#​21341)

Other changes

• Update astral-tokio-tar to 0.7.0 and use effective sizes when tracking extracted hard links (#​21346)

v0.12.7

Compare Source

Released on 2026-08-27.

Python

• Replace managed Python installations when upgrading to a newer build of the same version (#​21323)

Enhancements

• Support Linux s390x, ppc64le, and loongarch64 targets for cross-platform dependency resolution (#​21313)
• Retry downloads with configured credentials when Azure Storage denies anonymous access to an endpoint configured via UV_AZURE_ENDPOINT_URL (#​21318)

Preview features

• Use content-based directory hashes to deduplicate extracted wheels in the cache with the content-addressed-cache preview feature (#​19693)

Bug fixes

• Reject source archives with hash mismatches before persisting their extracted contents to the cache (#​21248)

Other changes

• remove pyx specific features (#​21182, #​21183, #​21184, #​21185, #​21186)

v0.12.6

Compare Source

Released on 2026-08-25.

Python

• Update CPython to use OpenSSL 3.5.8 and libffi 3.4.8 #​21295)

Enhancements

• Report cache-cleaning space savings from filesystem block allocation and avoid double-counting hard links (#​21261)
• Limit warnings about unbounded uv_build requirements to source-distribution builds (#​21078)
• Display byte counts below 1 KiB without a fractional part (#​21237)

Preview features

• Add uv workspace metadata --sync --exact to remove packages outside the selected resolution (#​21117)
• Add the artifact-hash-filtering preview feature to make uv pip compile --generate-hashes honor --only-binary and --no-binary (#​21235)
• Respect package-specific exclude-newer cutoffs when uv check selects its ty executable (#​21227)
• Preserve virtual-environment hints from tar-codec source-distribution errors when the base interpreter is outside a bin directory (#​21146)

Performance

• Enable profile-guided optimization for Linux x86-64 release binaries (#​21001)
• Enable profile-guided optimization for Windows x86-64 release binaries (#​21003)
• Enable profile-guided optimization for macOS ARM64 release binaries (#​21002)
• Enable profile-guided optimization for Linux ARM64 release binaries (#​21004)
• Speed up syncing projects with many activated conflict items by reusing their encoded representation (#​21148)

Bug fixes

• Allow explicit uv build and non-editable first-party workspace packages when no-build is enabled (#​21294)
• Reuse configured index credentials during uv tool upgrade when the tool receipt references the same index (#​21275)
• Ensure full 40-character Git commit pins resolve to the requested object instead of a SHA-named branch (#​21224)
• Prevent TLS segfaults in riscv64 musl release binaries (#​21158)
• Preserve dependencies selected by recursive extras when markers mix production and extra conditions (#​21181)
• Preserve version constraints from transitively referenced recursive extras (#​21209)
• Resolve repository-relative Git archive dependencies inside the checkout during the initial uv sync (#​21264)
• Return an error instead of panicking when a bearer token cannot be encoded as an HTTP header (#​21282)
• Do not misclassify package URLs ending in .py as local script paths (#​21144)
• Use directory creation times consistently across libc implementations for directory cache-keys entries (#​21137)
• Promote human-readable sizes to the next unit at rounding boundaries (#​21136)

Other changes

• Add Python 3.15 release-candidate Docker images (#​21293)
• Raise the minimum supported Rust version to 1.96 and update the repository toolchain to Rust 1.98 (#​21258)

---

Configuration

📅 Schedule: (UTC)

• Branch creation
  • At any time (no schedule defined)
• Automerge
  • At any time (no schedule defined)

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[Codecov Comments Bot (codecov-commenter)]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.42%. Comparing base (d0ad5a9) to head (5462d68).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #401   +/-   ##
=======================================
  Coverage   95.42%   95.42%           
=======================================
  Files          58       58           
  Lines        5003     5003           
=======================================
  Hits         4774     4774           
  Misses        229      229           

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.