Slim-Lint Changelog

February 2, 2026 ยท View on GitHub

0.34.0

  • Add check for invalid keys in config files

0.33.0

  • Add support to ControlStatementSpacing for linting spaces after - control code

0.32.2

  • Fix performance regression with RuboCop 1.72+

0.32.1

  • Update QuoteConsistency to only inspect HTML blocks

0.32.0

  • Add QuoteConsistency linter for enforcing single/double quotes

0.31.1

  • Fix loading of RuboCop linter on Ruby 3.3.5+

0.31.0

  • Add GitHub reporter

0.30.0

  • Speed up load time by preferring require_relative in internal gem file loading

0.29.0

  • Add TagAttribute linter for restricting attribute usage
  • Fix bug where rexml gem was missing if user used RuboCop 1.66.0 or newer

0.28.0

  • Add Tag linter for restricting tag usage

0.27.0

  • Add InstanceVariables linter
  • Add StrictLocalsMissing linter
  • Fix EmbeddedEngines linter missing indented uses

0.26.0

  • Revert "Fix ControlSpacingStatement linter handling of = in some cases"

0.25.0

  • Drop support for Ruby 2.x
  • Fix ControlSpacingStatement linter handling of = in some cases

0.24.0

  • Require RuboCop 1.x or newer
  • Silence Parser gem warnings on startup

0.23.0

  • Add Zwsp to report zero-width space characters
  • Allow Slim version 5.x

0.22.1

  • Fix CommentControlStatement to not report Template Dependency: directives
  • Fix handling of disabled lines when running across multiple files
  • Add Layout/ClosingParenthesisIndentation to list of ignored RuboCop cops
  • Add Layout/FirstHashElementIndentation to list of ignored RuboCop cops

0.22.0

  • Disable RuboCop Layout/FirstArgumentIndentation
  • Disable RuboCop Layout/LineEndStringConcatenationIndentation
  • Add support for disabling linters on specific lines

0.21.1

  • Fix handling of Slim documents with parse error

0.21.0

  • Add linter field to JSONReporter
  • Add EmbeddedEngines linter
  • Add EmacsReporter reporter
  • Add --stdin-file-path option for specifying the name of a file passed via standard input

0.20.2

  • Ignore Style/WhileUntilDo RuboCop cop by default

0.20.1

  • Disable Style/IdenticalConditionalBranches cop by default

0.20.0

  • Update minimum RuboCop version to 0.78.0 due to renaming of various cops and namespaces

0.19.0

  • Remove dependency on sysexits gem
  • Update RuboCop dependency to require 0.77.0 or newer

0.18.0

  • Remove explicit dependency on Rake, making it optional as it's only needed for the Rake integration

0.17.1

  • Fix CommentControlStatement to not report rubocop:{enable,disable} directives

0.17.0

  • Disable Layout/AlignArguments and Layout/InitialIndentation cops by default
  • Update EmptyLineAfterGuardClause cop namespace from Style to Layout to fix errors
  • Drop support for Ruby 2.3 and older

0.16.1

  • Fix ControlStatementSpacing to support other output operators =>, =<>, and =<

0.16.0

  • Add ControlStatementSpacing linter
  • Allow Slim 4.x

0.15.1

  • Fix TrailingBlankLines to ignore empty files
  • Fix excludes option to correctly filter files when relative path globs are used

0.15.0

  • Improve RuboCop linter to not use temporary files when linting

0.14.0

  • Add TrailingBlankLines linter
  • Add EmptyLines linter
  • Add support for RuboCop 0.50.0
  • Require RuboCop 0.50.0 or newer
  • Fix Metrics/BlockNesting RuboCop cop to be disabled by default
  • Disable Layout/AlignArray and Layout/IndentArray RuboCop cops by default

0.13.0

  • Add support for RuboCop 0.49.0
  • Require RuboCop 0.49.0 or newer

0.12.0

  • Add support for RuboCop 0.48.0
  • Require RuboCop 0.48.0 or newer

0.11.0

0.10.0

  • Relax rake gem constraint to allow 12.x

0.9.0

  • Fix skip_frontmatter option
  • Add Tab linter which reports the use of hard tabs as indentation

0.8.3

  • Disable Style/Multiline* cops by default
  • Disable Metrics/BlockLength RuboCop cop by default

0.8.2

  • Additional fix for line numbers reported when Ruby code spans multiple lines in a single control/code statement

0.8.1

  • Fix line numbers reported when Ruby code spans multiple lines in a single control/code statement

0.8.0

  • Add Checkstyle reporter

0.7.2

  • Relax rake gem dependency to allow rake 11.x.x

0.7.1

  • Fix RuboCop linter to not report FrozenStringLiteralComment cops as these are noisy in Slim templates

0.7.0

  • Fix compatibility issues with Astrolabe gem by updating minimum RuboCop version to 0.36.0
  • Fix RuboCop linter to not erroneously report Style/IdenticalConditionalBranches warnings

0.6.1

  • Fix exclude option to work with paths prefixed with ./

0.6.0

  • Change required Ruby version from 1.9.3+ to 2.0.0+
  • Fix rake task integration to not crash when running rake -T
  • Improve bug reporting instructions in error message
  • Add -V/--verbose-version flag to display slim, rubocop, and ruby version information in addition to output of -v/--version flag

0.5.0

  • Add support for SLIM_LINT_RUBOCOP_CONF environment variable to RuboCop linter, allowing external tools to specify RuboCop configuration to use
  • Change required Ruby version from 2.0.0+ to 1.9.3+
  • Remove cop name from RuboCop offense message (this can be added via the DisplayCopNames option in your .rubocop.yml)

0.4.0

  • Fix Ruby code extraction to result in fewer false positives from RuboCop
  • Fix ConsecutiveControlStatements to not report control statements with nested content (i.e. if/elsif/else)

0.3.0

  • Add support for include/exclude options on linters, allowing a list of files or glob patterns to be included/excluded from a linter's scope
  • Add support for global exclude configuration option allowing a list of files or glob patterns to be excluded from all linters

0.2.0

  • Ignore Style/IndentationConsistency RuboCop warnings
  • Add ConsecutiveControlStatements which recommends condensing multiple control statements into a single ruby: filter
  • Add EmptyControlStatement which reports control statements with no code
  • Add CommentControlStatement which reports control statement with only comments
  • Add TagCase which reports tags with uppercase characters

0.1.0

  • Initial release