Sourced from prek's releases.

0.3.2

Release Notes

Released on 2026-02-06.

Highlights

• prek.toml is here!

  You can now use prek.toml as an alternative to .pre-commit-config.yaml for configuring prek. prek.toml mirrors the structure of .pre-commit-config.yaml, but TOML is less error-prone. Your existing .pre-commit-config.yaml will continue to work, but for new users and new projects, prek.toml may make more sense. If you want to switch, run prek util yaml-to-toml to convert YAML configs to prek.toml. See configuration docs for details.

  For example, this config:

  repos:
    - repo: https://github.com/pre-commit/pre-commit-hooks
      rev: v6.0.0
      hooks:
        - id: check-yaml

  Can be written as prek.toml like this:

  [[repos]]
  repo = "https://github.com/pre-commit/pre-commit-hooks"
  rev = "v6.0.0"
  hooks = [ { id = "check-yaml" } ]

• serde-yaml has been replaced with serde-saphyr

  We replaced the long-deprecated serde-yaml crate with serde-saphyr for YAML parsing. It is written in safe Rust and has better error messages, performance, and security. This lets us provide precise location information for configuration parsing errors, which should make it easier to fix config issues.

  For example, this invalid config:

  repos:
    - repo: https://github.com/crate-ci/typos
      hooks:
        - id: typos

  Before:

  $ prek run
  error: Failed to parse `.pre-commit-config.yaml`
    caused by: Invalid remote repo: missing field `rev`

... (truncated)

Sourced from prek's changelog.

0.3.2

Released on 2026-02-06.

Highlights

• prek.toml is here!

  You can now use prek.toml as an alternative to .pre-commit-config.yaml for configuring prek. prek.toml mirrors the structure of .pre-commit-config.yaml, but TOML is less error-prone. Your existing .pre-commit-config.yaml will continue to work, but for new users and new projects, prek.toml may make more sense. If you want to switch, run prek util yaml-to-toml to convert YAML configs to prek.toml. See configuration docs for details.

  For example, this config:

  repos:
    - repo: https://github.com/pre-commit/pre-commit-hooks
      rev: v6.0.0
      hooks:
        - id: check-yaml

  Can be written as prek.toml like this:

  [[repos]]
  repo = "https://github.com/pre-commit/pre-commit-hooks"
  rev = "v6.0.0"
  hooks = [ { id = "check-yaml" } ]

• serde-yaml has been replaced with serde-saphyr

  We replaced the long-deprecated serde-yaml crate with serde-saphyr for YAML parsing. It is written in safe Rust and has better error messages, performance, and security. This lets us provide precise location information for configuration parsing errors, which should make it easier to fix config issues.

  For example, this invalid config:

  repos:
    - repo: https://github.com/crate-ci/typos
      hooks:
        - id: typos

  Before:

  $ prek run
  error: Failed to parse `.pre-commit-config.yaml`
    caused by: Invalid remote repo: missing field `rev`

... (truncated)

• 71790f3 Bump version to 0.3.2 (#1587)
• 9172278 Use semver fallback sort when tag timestamps are equal (#1579)
• 294325c Remove emoji in README.md (#1589)
• dc7d09d Remove upper bound constraintof uv version (#1588)
• 72a78ee Do not make the child a session leader (#1586)
• 3fa9187 Add prek util yaml-to-toml to convert .pre-commit-config.yaml to `prek.to...
• 2314871 Bump the supported uv version upper limit to 0.11.0 (#1580)
• 4ff825e Include prek.toml in run hint for config filename (#1578)
• b516d66 Update quick start to use prek.toml (#1576)
• 60eb3f4 Document that use --refresh to pick up .prekignore changes (#1575)
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