prek Files

Release Notes

Released on 2026-09-28.

Highlights

Faster builtin hooks

In our end-to-end benchmark, prek is about 38% faster than 0.5.3, with some builtin hooks up to 273% faster (check-yaml: 273%, check-json: 80%, check-merge-conflict: 71%).

Enhancements

• Add include_deleted to allow hooks to include deleted files (#2733)
• Add --check and simplify end-of-file-fixer (#2764)
• Add --check to file-contents-sorter (#2765)
• Add --check to requirements-txt-fixer (#2766)
• Add --check to trailing-whitespace (#2763)
• Expose and document prek util generate-shell-completion (#2727)
• Support hide_status in project and user configuration (#2760)
• Support look-around regex in builtin pattern hooks (#2732)

Performance

• Cache the resolved Git executable on macOS (#2726)
• Combine and cache Git repository path queries (#2724)
• Optimize common builtin hook execution (#2768)
• Optimize scanning in mixed-line-ending and trailing-whitespace (#2769)
• Scan check-merge-conflict files in fixed-size blocks (#2781)
• Use SIMD UTF-8 validation in check-json, check-toml, and check-yaml (#2770)

Bug fixes

• Retry transient rename failures on Windows (#2756)
• Use PATH to resolve prek in completion scripts (#2719)

Documentation

• Clarify the flow and scope of usage guides (#2710)
• Reorganize usage guides and reference documentation (#2709)

Other changes

• Sync latest identify tags (#2762)

Contributors

• @github-actions
• @j178

Install prek 0.5.4

Install prebuilt binaries via shell script

:::sh
curl --proto '=https' --tlsv1.2 -LsSf https://github.com/j178/prek/releases/download/v0.5.4/prek-installer.sh | sh

Install prebuilt binaries via powershell script

:::sh
powershell -ExecutionPolicy Bypass -c "irm https://github.com/j178/prek/releases/download/v0.5.4/prek-installer.ps1 | iex"

Install prebuilt binaries via Homebrew

:::sh
brew install prek

Download prek 0.5.4

File	Platform	Checksum
prek-aarch64-apple-darwin.tar.gz (github.com)	Apple Silicon macOS	checksum
prek-x86_64-apple-darwin.tar.gz (github.com)	Intel macOS	checksum
prek-aarch64-pc-windows-msvc.zip (github.com)	ARM64 Windows	checksum
prek-x86_64-pc-windows-msvc.zip (github.com)	x64 Windows	checksum
prek-aarch64-unknown-linux-gnu.tar.gz (github.com)	ARM64 Linux	checksum
prek-x86_64-unknown-linux-gnu.tar.gz (github.com)	x64 Linux	checksum
prek-aarch64-unknown-linux-musl.tar.gz (github.com)	ARM64 MUSL Linux	checksum
prek-x86_64-unknown-linux-musl.tar.gz (github.com)	x64 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:

:::sh
gh attestation verify <file-path of downloaded artifact> --repo j178/prek

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

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