## Release Notes
Released on 2026-07-07.
Security
This release updates our ZIP library, astral-async-zip, to v0.0.20, which includes 15 changes that harden our ZIP handling against parser differentials. uv may reject ZIP archives with malformed or ambiguous content that were previously accepted.
See the upstream commits for a full list of changes.
Python

Upgrade GraalPy to 25.1.3 (#20069)

Enhancements

Improve trace logs for unexpected error chains (#20220)
Move lockfile update guidance to a hint (#20219)
Preserve indentation for multiline error causes (#20156)
Render user errors with their cause chains (#20217)
Route final command errors through the printer to respect -q and -qq (#20163)
Use standard rendering for uv build errors (#20159)
Use standard rendering for tool requirement errors (#20160)

Performance

Only compile bytecode for installed distributions in uv pip install (#19914)
Avoid allocating URL-safe Git revisions (#20194)
Avoid allocating canonical Python request strings (#20193)
Avoid allocating custom Astral mirror URLs (#20204)
Avoid allocating expanded compatibility tags (#20190)
Avoid allocating shell strings that need no escaping (#20196)
Avoid allocating static ABI descriptions (#20201)
Avoid allocating static Windows executable names (#20200)
Avoid allocating static dependency table names (#20199)
Avoid allocating static platform triple components (#20195)
Avoid allocating static resolver report labels (#20198)
Avoid allocating static unavailable-version messages (#20197)
Avoid allocating unchanged Python download architectures (#20202)
Avoid allocating unchanged paths during case normalization (#20203)
Avoid allocations when expanding group conflicts (#20211)
Avoid allocations when formatting requirements (#20206)
Avoid cloning credential lookup services (#20210)
Avoid cloning dry-run distributions (#20209)
Avoid cloning owned dependency metadata (#20212)
Avoid redundant direct URL clones (#20207)
Create metadata version errors lazily (#20205)
Optimize expanded tag compatibility checks (#20171)
Optimize parsing of single-digit three-part versions (#20118)

Bug fixes

Avoid overflow when computing HTTP cache age (#20178)
Respect --upgrade when upgrade-package is configured (#19955)
Support uv tree in dependency-group-only projects (#20167)
Treat cache entries as stale at exact expiration (#20183)

Install uv 0.11.28
Install prebuilt binaries via shell script
curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/uv/releases/download/0.11.28/uv-installer.sh | sh
Install prebuilt binaries via powershell script
powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/uv/releases/download/0.11.28/uv-installer.ps1 | iex"
Download uv 0.11.28



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/0.11.28.