prek Releases

This release enhances the `check-yaml` command by allowing unknown tags by default, providing users with more flexibility in YAML validation.

Sep 2, 2026

This release introduces the `prek init` command for repository setup, supports Pixi and `cargo-binstall` for dependency management, and enhances diagnostics and hook reporting capabilities.

Sep 1, 2026

This major version introduces granular control over toolchain sourcing for Python hooks via the `language_version` configuration. It removes deprecated commands and renames environment variables for better separation of concerns.

Aug 27, 2026

This release focuses on improvements to YAML validation and performance. It introduces support for unsafe YAML checks, fixes handling of non-finite floats and comment-heavy YAML, and optimizes memory allocation in common filters.

Aug 17, 2026

This release introduces `mise` language support for hook tools and a new `prek exec` subcommand for running commands in hook environments. It also adds native filename pattern hooks and improves performance.

Aug 10, 2026

Enhancements include support for hook group intersections via `--require-group` and improved performance through parallel file tag precomputation. The `uv` installation process was also updated.

Aug 3, 2026

This release adds native `deny-pattern` and `require-pattern` hooks that run over 4x faster than `pygrep`. It also introduces `--glob` support for `prek run` and reusable aliases for hook priorities.

Jul 24, 2026

Adds PHP language support and Alpine Docker images. Configuration enhancements include a freeze option for updates and tag filters.

Jul 16, 2026

This release focuses on making the AIP TypeScript SDK production-ready, optimizing performance for customer usage attribution, and adopting legacy Ent databases into Atlas migrations.

Jul 14, 2026

This release changes the repository identity schema, which invalidates existing hook environments and triggers automatic reinstallation. It also includes bug fixes for Ruby and XML handling.

Jul 11, 2026

A major release introducing extensive billing capabilities, new API v3 endpoints, and SDK updates including a new Go client and TypeScript camelCase support.

Jul 10, 2026

Adds extensive features to the JS/TS SDK including directory listing, line-based file reading, isolation helpers, and a performance-optimizing endpoint cache. Also introduces Credential Vault support and security patches.

Jul 8, 2026

Aligns the C# SDK with the JS SDK by adding isolation helpers, an endpoint cache, and extensions support. Introduces a breaking change regarding credential vault binding ports.

Jul 8, 2026

A maintenance release focusing on bug fixes, documentation corrections, and dependency updates. Key fixes include AWS Lambda V2 event detection, circular dependency resolution, and Content-Type normalization.

Jul 6, 2026

Configuration updates include adding a `default_env` setting and renaming the `auto-update` setting to `update`.

Jul 4, 2026

Focuses on performance optimizations and concurrency control. It introduces split concurrency knobs and a new environment variable to opt-out of Docker initialization.

Jul 1, 2026

This release addresses critical security vulnerabilities in the Hono framework, specifically fixing issues related to Server-Side XSS, cross-request data disclosure in SSR contexts, and incorrect header handling in AWS Lambda adapters.

Jun 23, 2026

Updates to the web application and SDK including new account management features, refactoring of server state, and updated OpenAPI specifications.

Jun 22, 2026

A minor release with no specific changes detailed in the provided release notes.

Jun 20, 2026

A major feature and security release introducing multi-organization workspaces, audit logs, and fixing several critical vulnerabilities including IDOR, SQL injection, and weak entropy issues.

Jun 20, 2026