0.9.28

astral-sh/uv0.9.28Jan 29, 2026by github-actions[bot]
AI Summary

Updates the base CPython build to OpenSSL 3.5.5 for security, adds support for Pyodide interpreters on Windows, and adds a `reflink` alias for the clone link mode.
Key Highlights

Update CPython to OpenSSL 3.5.5 for security fixes.
Add support for Pyodide interpreter on Windows.
Add `reflink` alias for the 'clone' link mode.
Skip uploads when validation reports 'Already uploaded'.
New Features

Update CPython to OpenSSL 3.5.5.
Add Pyodide support on Windows.
Add reflink alias for clone link mode.
Skip uploads on 'Already uploaded' validation.
Full Release Notes

## Release Notes

Released on 2026-01-29.

### Python

- Update CPython to use [OpenSSL 3.5.5](https://github.com/openssl/openssl/releases/tag/openssl-3.5.5) which includes fixes for high severity CVEs ([python-build-standalone#960](https://github.com/astral-sh/python-build-standalone/pull/960))

### Enhancements

- Add support for Pyodide interpreter on Windows ([#17658](https://github.com/astral-sh/uv/pull/17658))
- Warn if multiple indexes include `default = true` ([#17713](https://github.com/astral-sh/uv/pull/17713))
- Skip uploads when validation reports 'Already uploaded' ([#17412](https://github.com/astral-sh/uv/pull/17412))

### Configuration

- Add a reflink alias for the "clone" link mode ([#17724](https://github.com/astral-sh/uv/pull/17724))

### Bug fixes

- Ensure `uv.exe` exits when `uvw.exe` or `uvx.exe` is killed ([#17500](https://github.com/astral-sh/uv/pull/17500))

## Install uv 0.9.28

### Install prebuilt binaries via shell script

```sh
curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/uv/releases/download/0.9.28/uv-installer.sh | sh
```

### Install prebuilt binaries via powershell script

```sh
powershell -ExecutionPolicy Bypass -c "irm https://github.com/astral-sh/uv/releases/download/0.9.28/uv-installer.ps1 | iex"
```

## Download uv 0.9.28

|  File  | Platform | Checksum |
|--------|----------|----------|
| [uv-aarch64-apple-darwin.tar.gz](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-aarch64-apple-darwin.tar.gz) | Apple Silicon macOS | [checksum](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-aarch64-apple-darwin.tar.gz.sha256) |
| [uv-x86_64-apple-darwin.tar.gz](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-x86_64-apple-darwin.tar.gz) | Intel macOS | [checksum](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-x86_64-apple-darwin.tar.gz.sha256) |
| [uv-aarch64-pc-windows-msvc.zip](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-aarch64-pc-windows-msvc.zip) | ARM64 Windows | [checksum](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-aarch64-pc-windows-msvc.zip.sha256) |
| [uv-i686-pc-windows-msvc.zip](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-i686-pc-windows-msvc.zip) | x86 Windows | [checksum](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-i686-pc-windows-msvc.zip.sha256) |
| [uv-x86_64-pc-windows-msvc.zip](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-x86_64-pc-windows-msvc.zip) | x64 Windows | [checksum](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-x86_64-pc-windows-msvc.zip.sha256) |
| [uv-aarch64-unknown-linux-gnu.tar.gz](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-aarch64-unknown-linux-gnu.tar.gz) | ARM64 Linux | [checksum](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-aarch64-unknown-linux-gnu.tar.gz.sha256) |
| [uv-i686-unknown-linux-gnu.tar.gz](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-i686-unknown-linux-gnu.tar.gz) | x86 Linux | [checksum](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-i686-unknown-linux-gnu.tar.gz.sha256) |
| [uv-powerpc64-unknown-linux-gnu.tar.gz](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-powerpc64-unknown-linux-gnu.tar.gz) | PPC64 Linux | [checksum](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-powerpc64-unknown-linux-gnu.tar.gz.sha256) |
| [uv-powerpc64le-unknown-linux-gnu.tar.gz](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-powerpc64le-unknown-linux-gnu.tar.gz) | PPC64LE Linux | [checksum](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-powerpc64le-unknown-linux-gnu.tar.gz.sha256) |
| [uv-riscv64gc-unknown-linux-gnu.tar.gz](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-riscv64gc-unknown-linux-gnu.tar.gz) | RISCV Linux | [checksum](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-riscv64gc-unknown-linux-gnu.tar.gz.sha256) |
| [uv-s390x-unknown-linux-gnu.tar.gz](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-s390x-unknown-linux-gnu.tar.gz) | S390x Linux | [checksum](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-s390x-unknown-linux-gnu.tar.gz.sha256) |
| [uv-x86_64-unknown-linux-gnu.tar.gz](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-x86_64-unknown-linux-gnu.tar.gz) | x64 Linux | [checksum](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-x86_64-unknown-linux-gnu.tar.gz.sha256) |
| [uv-armv7-unknown-linux-gnueabihf.tar.gz](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-armv7-unknown-linux-gnueabihf.tar.gz) | ARMv7 Linux | [checksum](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-armv7-unknown-linux-gnueabihf.tar.gz.sha256) |
| [uv-aarch64-unknown-linux-musl.tar.gz](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-aarch64-unknown-linux-musl.tar.gz) | ARM64 MUSL Linux | [checksum](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-aarch64-unknown-linux-musl.tar.gz.sha256) |
| [uv-i686-unknown-linux-musl.tar.gz](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-i686-unknown-linux-musl.tar.gz) | x86 MUSL Linux | [checksum](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-i686-unknown-linux-musl.tar.gz.sha256) |
| [uv-x86_64-unknown-linux-musl.tar.gz](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-x86_64-unknown-linux-musl.tar.gz) | x64 MUSL Linux | [checksum](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-x86_64-unknown-linux-musl.tar.gz.sha256) |
| [uv-arm-unknown-linux-musleabihf.tar.gz](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-arm-unknown-linux-musleabihf.tar.gz) | ARMv6 MUSL Linux (Hardfloat) | [checksum](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-arm-unknown-linux-musleabihf.tar.gz.sha256) |
| [uv-armv7-unknown-linux-musleabihf.tar.gz](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-armv7-unknown-linux-musleabihf.tar.gz) | ARMv7 MUSL Linux | [checksum](https://github.com/astral-sh/uv/releases/download/0.9.28/uv-armv7-unknown-linux-musleabihf.tar.gz.sha256) |

## 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](https://cli.github.com/manual/gh_attestation_verify):
```sh
gh attestation verify <file-path of downloaded artifact> --repo astral-sh/uv
```

You can also download the attestation from [GitHub](https://github.com/astral-sh/uv/attestations) and verify against that directly:
```sh
gh attestation verify <file-path of downloaded artifact> --bundle <file-path of downloaded attestation>
```