v0.54.2

prefix-dev/pixiv0.54.2Sep 8, 2025by github-actions[bot]

AI Summary

This patch release adds cancellation support to the command dispatcher and fixes issues where `pixi build` was generating empty directories. It also adds support for 32-bit Windows emulation on 64-bit systems.

Key Highlights

  • Adds cancellation support to command dispatcher.
  • Fixes `pixi build` stop generating empty directories.

New Features

  • Support `win-32` emulation on `win-64`
  • Include version information in `self-update --dry-run`

Full Release Notes

## Release Notes

#### Added

- Add cancellation support to command dispatcher by @baszalmstra in [#4501](https://github.com/prefix-dev/pixi/pull/4501)
- Support `win-32` emulation on `win-64` by @baszalmstra in [#4531](https://github.com/prefix-dev/pixi/pull/4531)

#### Changed

- Include version information in `self-update --dry-run` by @nicoddemus in [#4513](https://github.com/prefix-dev/pixi/pull/4513)

#### Documentation

- Fix task arg example by @Hofer-Julian in [#4521](https://github.com/prefix-dev/pixi/pull/4521)
- Add `pixi-build-ros` tutorial by @ruben-arts in [#4507](https://github.com/prefix-dev/pixi/pull/4507)

#### Fixed

- Clear progress bar after install by @baszalmstra in [#4509](https://github.com/prefix-dev/pixi/pull/4509)
- Rebuild if dependencies changed by @baszalmstra in [#4511](https://github.com/prefix-dev/pixi/pull/4511)
- `pixi build` stop generating empty directories by @Hofer-Julian in [#4520](https://github.com/prefix-dev/pixi/pull/4520)
- Documentation link and error in `pixi init` by @ruben-arts in [#4530](https://github.com/prefix-dev/pixi/pull/4530)

#### Performance

- Early out on installer file not containing the pixi uv installer by @ruben-arts in [#4525](https://github.com/prefix-dev/pixi/pull/4525)

#### New Contributors
* @nicoddemus made their first contribution in [#4513](https://github.com/prefix-dev/pixi/pull/4513)

## Download pixi 0.54.2

|  File  | Platform | Checksum |
|--------|----------|----------|
| [pixi-aarch64-apple-darwin.tar.gz](https://github.com/prefix-dev/pixi/releases/download/v0.54.2/pixi-aarch64-apple-darwin.tar.gz) | Apple Silicon macOS | [checksum](https://github.com/prefix-dev/pixi/releases/download/v0.54.2/pixi-aarch64-apple-darwin.tar.gz.sha256) |
| [pixi-x86_64-apple-darwin.tar.gz](https://github.com/prefix-dev/pixi/releases/download/v0.54.2/pixi-x86_64-apple-darwin.tar.gz) | Intel macOS | [checksum](https://github.com/prefix-dev/pixi/releases/download/v0.54.2/pixi-x86_64-apple-darwin.tar.gz.sha256) |
| [pixi-aarch64-pc-windows-msvc.zip](https://github.com/prefix-dev/pixi/releases/download/v0.54.2/pixi-aarch64-pc-windows-msvc.zip) | ARM64 Windows | [checksum](https://github.com/prefix-dev/pixi/releases/download/v0.54.2/pixi-aarch64-pc-windows-msvc.zip.sha256) |
| [pixi-aarch64-pc-windows-msvc.msi](https://github.com/prefix-dev/pixi/releases/download/v0.54.2/pixi-aarch64-pc-windows-msvc.msi) | ARM64 Windows | [checksum](https://github.com/prefix-dev/pixi/releases/download/v0.54.2/pixi-aarch64-pc-windows-msvc.msi.sha256) |
| [pixi-x86_64-pc-windows-msvc.zip](https://github.com/prefix-dev/pixi/releases/download/v0.54.2/pixi-x86_64-pc-windows-msvc.zip) | x64 Windows | [checksum](https://github.com/prefix-dev/pixi/releases/download/v0.54.2/pixi-x86_64-pc-windows-msvc.zip.sha256) |
| [pixi-x86_64-pc-windows-msvc.msi](https://github.com/prefix-dev/pixi/releases/download/v0.54.2/pixi-x86_64-pc-windows-msvc.msi) | x64 Windows | [checksum](https://github.com/prefix-dev/pixi/releases/download/v0.54.2/pixi-x86_64-pc-windows-msvc.msi.sha256) |
| [pixi-aarch64-unknown-linux-musl.tar.gz](https://github.com/prefix-dev/pixi/releases/download/v0.54.2/pixi-aarch64-unknown-linux-musl.tar.gz) | ARM64 MUSL Linux | [checksum](https://github.com/prefix-dev/pixi/releases/download/v0.54.2/pixi-aarch64-unknown-linux-musl.tar.gz.sha256) |
| [pixi-x86_64-unknown-linux-musl.tar.gz](https://github.com/prefix-dev/pixi/releases/download/v0.54.2/pixi-x86_64-unknown-linux-musl.tar.gz) | x64 MUSL Linux | [checksum](https://github.com/prefix-dev/pixi/releases/download/v0.54.2/pixi-x86_64-unknown-linux-musl.tar.gz.sha256) |