0.11.30

huggingface/skills0.11.30Jul 20, 2026by github-actions[bot]

AI Summary

This release introduces support for Python 3.15.0b4 and delivers extensive performance optimizations to the resolver and cache management, including faster lockfile serialization and reduced parallel cache read overhead. Preview features for workspace metadata syncing and symlink handling were also added.

Key Highlights

Add CPython 3.15.0b4 support
Reuse centralized project environments when workspaces are accessed through symlinks
Accelerate lockfile serialization with `toml_writer`
Skip resolver candidates excluded by `exclude-newer`

New Features

Allow `uv workspace metadata --sync` to target the active virtual environment with `--active`
Limit parallel cache reads to reduce resolver scheduling overhead
Compact cached Simple API distribution metadata and hashes
Decode stale cache entries in a single blocking task

Full Release Notes

## Release Notes

Released on 2026-07-20.

### Python

- Add CPython 3.15.0b4 ([#20519](https://github.com/astral-sh/uv/pull/20519))

### Preview features

- Allow `uv workspace metadata --sync` to target the active virtual environment with `--active` ([#20500](https://github.com/astral-sh/uv/pull/20500))
- Reuse centralized project environments when workspaces are accessed through symlinks ([#20436](https://github.com/astral-sh/uv/pull/20436))

### Performance

- Skip resolver candidates whose files are all excluded by `exclude-newer` ([#20460](https://github.com/astral-sh/uv/pull/20460))
- Limit parallel cache reads to reduce resolver scheduling and allocation overhead ([#20427](https://github.com/astral-sh/uv/pull/20427))
- Accelerate lockfile serialization with `toml_writer` ([#20450](https://github.com/astral-sh/uv/pull/20450))
- Compact cached Simple API distribution metadata and hashes ([#20463](https://github.com/astral-sh/uv/pull/20463), [#20483](https://github.com/astral-sh/uv/pull/20483))
- Decode stale cache entries in a single blocking task ([#20486](https://github.com/astral-sh/uv/pull/20486))
- Decode cached payloads outside resolver workers ([#20464](https://github.com/astral-sh/uv/pull/20464))
- Cache resolver Python requirement markers ([#20461](https://github.com/astral-sh/uv/pull/20461))
- Reuse resolver fork markers while recording preferences ([#20462](https://github.com/astral-sh/uv/pull/20462))

### Bug fixes

- Prevent skipped tar-wheel entries from causing unrelated files to be removed during uninstall ([#20429](https://github.com/astral-sh/uv/pull/20429))
- Preserve literal `extends-environment` paths in `pyvenv.cfg` on Unix ([#20466](https://github.com/astral-sh/uv/pull/20466))

### Documentation

- Add a contribution guide ([#20511](https://github.com/astral-sh/uv/pull/20511), [#20552](https://github.com/astral-sh/uv/pull/20552))

## Install uv 0.11.30

### Install prebuilt binaries via shell script

```sh
curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-installer.sh | sh
```

### Install prebuilt binaries via powershell script

```sh
powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-installer.ps1 | iex"
```

## Download uv 0.11.30

|  File  | Platform | Checksum |
|--------|----------|----------|
| [uv-aarch64-apple-darwin.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-aarch64-apple-darwin.tar.gz) | Apple Silicon macOS | [checksum](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-aarch64-apple-darwin.tar.gz.sha256) |
| [uv-x86_64-apple-darwin.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-x86_64-apple-darwin.tar.gz) | Intel macOS | [checksum](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-x86_64-apple-darwin.tar.gz.sha256) |
| [uv-aarch64-pc-windows-msvc.zip](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-aarch64-pc-windows-msvc.zip) | ARM64 Windows | [checksum](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-aarch64-pc-windows-msvc.zip.sha256) |
| [uv-i686-pc-windows-msvc.zip](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-i686-pc-windows-msvc.zip) | x86 Windows | [checksum](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-i686-pc-windows-msvc.zip.sha256) |
| [uv-x86_64-pc-windows-msvc.zip](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-x86_64-pc-windows-msvc.zip) | x64 Windows | [checksum](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-x86_64-pc-windows-msvc.zip.sha256) |
| [uv-aarch64-unknown-linux-gnu.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-aarch64-unknown-linux-gnu.tar.gz) | ARM64 Linux | [checksum](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-aarch64-unknown-linux-gnu.tar.gz.sha256) |
| [uv-i686-unknown-linux-gnu.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-i686-unknown-linux-gnu.tar.gz) | x86 Linux | [checksum](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-i686-unknown-linux-gnu.tar.gz.sha256) |
| [uv-powerpc64le-unknown-linux-gnu.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-powerpc64le-unknown-linux-gnu.tar.gz) | PPC64LE Linux | [checksum](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-powerpc64le-unknown-linux-gnu.tar.gz.sha256) |
| [uv-riscv64gc-unknown-linux-gnu.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-riscv64gc-unknown-linux-gnu.tar.gz) | RISCV Linux | [checksum](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-riscv64gc-unknown-linux-gnu.tar.gz.sha256) |
| [uv-s390x-unknown-linux-gnu.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-s390x-unknown-linux-gnu.tar.gz) | S390x Linux | [checksum](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-s390x-unknown-linux-gnu.tar.gz.sha256) |
| [uv-x86_64-unknown-linux-gnu.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-x86_64-unknown-linux-gnu.tar.gz) | x64 Linux | [checksum](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-x86_64-unknown-linux-gnu.tar.gz.sha256) |
| [uv-armv7-unknown-linux-gnueabihf.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-armv7-unknown-linux-gnueabihf.tar.gz) | ARMv7 Linux | [checksum](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-armv7-unknown-linux-gnueabihf.tar.gz.sha256) |
| [uv-aarch64-unknown-linux-musl.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-aarch64-unknown-linux-musl.tar.gz) | ARM64 MUSL Linux | [checksum](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-aarch64-unknown-linux-musl.tar.gz.sha256) |
| [uv-i686-unknown-linux-musl.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-i686-unknown-linux-musl.tar.gz) | x86 MUSL Linux | [checksum](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-i686-unknown-linux-musl.tar.gz.sha256) |
| [uv-riscv64gc-unknown-linux-musl.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-riscv64gc-unknown-linux-musl.tar.gz) | RISCV MUSL Linux | [checksum](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-riscv64gc-unknown-linux-musl.tar.gz.sha256) |
| [uv-x86_64-unknown-linux-musl.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-x86_64-unknown-linux-musl.tar.gz) | x64 MUSL Linux | [checksum](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-x86_64-unknown-linux-musl.tar.gz.sha256) |
| [uv-arm-unknown-linux-musleabihf.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-arm-unknown-linux-musleabihf.tar.gz) | ARMv6 MUSL Linux (Hardfloat) | [checksum](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-arm-unknown-linux-musleabihf.tar.gz.sha256) |
| [uv-armv7-unknown-linux-musleabihf.tar.gz](https://releases.astral.sh/github/uv/releases/download/0.11.30/uv-armv7-unknown-linux-musleabihf.tar.gz) | ARMv7 MUSL Linux | [checksum](https://releases.astral.sh/github/uv/releases/download/0.11.30/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>
```