prek Releases

Major release introducing prek.toml as an alternative configuration format and replacing serde-yaml with serde-saphyr for improved YAML parsing with precise error locations.

Feb 6, 2026

Minor release adding support for Swift and Haskell languages, along with Go version constraint extraction and GitHub artifact attestations.

Jan 31, 2026

Feature release introducing cache garbage collection and Bun language support, enabling users to clean up unused repos and tool versions.

Jan 22, 2026

Patch release focused on performance optimizations with minimal-size binary profiles and bug fixes for Windows command lookup and Docker image handling.

Jan 18, 2026

This release of prek (a git hooks tool) introduces glob support for file patterns, making configuration filters much easier to read and maintain compared to regex. It also adds a new builtin hook for JSON5 validation and includes several bug fixes related to version info, subprocess environment, and PTY handling.

Jan 16, 2026

Performance improvements include avoiding unnecessary `git diff` runs and more accurate command line length limit calculations.

Jan 13, 2026

A major milestone as `python/cpython` starts using prek. The release adds hook-level environment variables and Apple container support for Docker.

Jan 7, 2026

This beta release enhances visualization by adding Mermaid diagram support and resolves critical bugs affecting subscriptions and AI interactions with user files.

Jan 2, 2026

This release focuses on performance improvements using `git cat-file` and fixes for remote hook priority and config parsing errors.

Dec 26, 2025

This release adds Docker image publishing and support for git URLs in Rust dependencies, alongside several bug fixes.

Dec 23, 2025

A major feature release introducing priority-based parallel hook execution and a new `check-case-conflict` builtin hook.

Dec 20, 2025

Adds a cooldown mechanism for `auto-update` to mitigate supply chain risks and improves package discovery in workspaces.

Dec 13, 2025

This update introduces temporal filtering for memory retrieval and fixes critical bugs in the SDKs regarding type definitions and query implementation.

Dec 12, 2025

This release fixes toolchain and cargo usage by ensuring the correct toolchain bin directory is in the PATH and using the installed cargo binary.

Dec 9, 2025

Introduces full Rust language support with automatic toolchain management and adds a cache size command.

Dec 8, 2025

This release fixes path resolution issues for MCP servers and refactors the VectorStore to improve compatibility and stability.

Dec 6, 2025

Focuses on performance optimizations for specific hooks and fixes for stdin handling and Python interpreter parsing.

Nov 26, 2025

A major SDK overhaul allows both Python and JavaScript SDKs to function as standalone applications with full feature parity, including multi-sector memory support.

Nov 23, 2025

Adds a new `repo: builtin` special repo type for built-in hooks and fixes various Windows and workspace issues.

Nov 21, 2025

A minor bug fix release that reverts a change to use `serde_yaml` again.

Nov 18, 2025