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uv 0.12.3 - #297680

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bump-uv-0.12.3
Aug 7, 2026
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uv 0.12.3#297680
BrewTestBot merged 2 commits into
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bump-uv-0.12.3

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Created by brew bump


Created with brew bump-formula-pr.

Details

release notes
## Release Notes

Released on 2026-08-07.

Python

  • Add CPython 3.13.15 (#20997)

Preview features

  • Add --output-format to select automatic, human-readable, or raw-byte output for uv cache size (#20992)
  • Preserve JSON output from uv workspace metadata --quiet while suppressing diagnostics (#20991)
  • Reduce memory usage for large workspaces by streaming uv workspace metadata JSON output (#20990)

Performance

  • Reduce Linux startup latency by initializing the workspace cache before spawning another thread (#20989)
  • Reuse compiled workspace exclusion patterns during workspace discovery (#20988)
  • Speed up conflict-heavy resolutions by avoiding materialized range complements (#20982)
  • Avoid slow procfs reads during Python interpreter discovery on Linux (#20987)

Documentation

  • Add PEP 740 attestations to the GitHub Actions publishing example (#20986)
  • Restrict the GitHub Actions publishing example to Python version tags (#20973)
  • Correct --python-pin to --pin-python in the uv init --bare example (#20876)

Install uv 0.12.3

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/uv/releases/download/0.12.3/uv-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/uv/releases/download/0.12.3/uv-installer.ps1 | iex"

Download uv 0.12.3

File Platform Checksum
uv-aarch64-apple-darwin.tar.gz Apple Silicon macOS checksum
uv-x86_64-apple-darwin.tar.gz Intel macOS checksum
uv-aarch64-pc-windows-msvc.zip ARM64 Windows checksum
uv-i686-pc-windows-msvc.zip x86 Windows checksum
uv-x86_64-pc-windows-msvc.zip x64 Windows checksum
uv-aarch64-unknown-linux-gnu.tar.gz ARM64 Linux checksum
uv-i686-unknown-linux-gnu.tar.gz x86 Linux checksum
uv-powerpc64le-unknown-linux-gnu.tar.gz PPC64LE Linux checksum
uv-riscv64gc-unknown-linux-gnu.tar.gz RISCV Linux checksum
uv-s390x-unknown-linux-gnu.tar.gz S390x Linux checksum
uv-x86_64-unknown-linux-gnu.tar.gz x64 Linux checksum
uv-armv7-unknown-linux-gnueabihf.tar.gz ARMv7 Linux checksum
uv-aarch64-unknown-linux-musl.tar.gz ARM64 MUSL Linux checksum
uv-i686-unknown-linux-musl.tar.gz x86 MUSL Linux checksum
uv-riscv64gc-unknown-linux-musl.tar.gz RISCV MUSL Linux checksum
uv-x86_64-unknown-linux-musl.tar.gz x64 MUSL Linux checksum
uv-arm-unknown-linux-musleabihf.tar.gz ARMv6 MUSL Linux (Hardfloat) checksum
uv-armv7-unknown-linux-musleabihf.tar.gz ARMv7 MUSL Linux checksum

Verifying GitHub Artifact Attestations

The artifacts in this release have attestations generated with GitHub Artifact Attestations. These can be verified by using the GitHub CLI:

gh attestation verify <file-path of downloaded artifact> --repo astral-sh/uv

You can also download the attestation from GitHub and verify against that directly:

gh attestation verify <file-path of downloaded artifact> --bundle <file-path of downloaded attestation>

View the full release notes at https://github.com/astral-sh/uv/releases/tag/0.12.3.


@github-actions github-actions Bot added rust Rust use is a significant feature of the PR or issue bump-formula-pr PR was created using `brew bump-formula-pr` labels Aug 7, 2026
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github-actions Bot commented Aug 7, 2026

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馃 An automated task has requested bottles to be published to this PR.

Caution

Please do not push to this PR branch before the bottle commits have been pushed, as this results in a state that is difficult to recover from. If you need to resolve a merge conflict, please use a merge commit. Do not force-push to this PR branch.

@github-actions github-actions Bot added the CI-published-bottle-commits The commits for the built bottles have been pushed to the PR branch. label Aug 7, 2026
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BrewTestBot enabled auto-merge August 7, 2026 19:17
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BrewTestBot added this pull request to the merge queue Aug 7, 2026
Merged via the queue into main with commit ea99f77 Aug 7, 2026
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BrewTestBot deleted the bump-uv-0.12.3 branch August 7, 2026 19:27
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