RuboCop Performance 1.19.0

New features

• #364: Add new Performance/MapMethodChain cop. (@koic)
• #363: Support safe navigation operator for Performance/ArraySemiInfiniteRangeSlice, Performance/DeletePrefix, Performance/DeleteSuffix, Performance/Detect, Performance/EndWith, Performance/InefficientHashSearch, Performance/MapCompact, Performance/RedundantSplitRegexpArgument, Performance/ReverseEach, Performance/ReverseFirst, Performance/SelectMap, Performance/Squeeze, Performance/StartWith, Performance/StringInclude, and Performance/StringReplacement cops. (@koic)

RuboCop Performance 1.18.0

Bug fixes

• #359: Fix a false positive for Performance/RedundantEqualityComparisonBlock when the block variable is used on both sides of ==. (@koic)
• #351: Fix an incorrect autocorrect for Performance/ConstantRegexp and Performance/RegexpMatch when autocorrecting both at the same time. (@fatkodima)

Changes

• #357: Add sort! and minmax to Performance/CompareWithBlock. (@vlad-pisanov)
• #353: (Breaking) Drop Ruby 2.6 support. (@koic)

RuboCop Performance 1.17.1

Bug fixes

• #352: Fix the default config for AllowRegexpMatch option of Performance/RedundantEqualityComparisonBlock. (@koic)

RuboCop Performance 1.17.0

New features

• #347: Add AllowRegexpMatch option to Performance/RedundantEqualityComparisonBlock. (@koic)

Bug fixes

• #346: Fix a false positive for Performance/StringIdentifierArgument when using a command method with receiver. (@koic)
• #344: Fix Performance/FlatMap autocorrection for chained methods on separate lines. (@fatkodima)

RuboCop Performance 1.16.0

Changes

• #332: Register offenses for variables against regexes in Performance/StringInclude. (@fatkodima)

RuboCop Performance 1.15.2

Bug fixes

• #313: Fix a false negative for Performance/RedundantStringChars when using str.chars.last without argument. (@koic)
• #321: Fix a false positive for Performance/Sum when using TargetRubyVersion is 2.3 or lower. (@koic)
• #314: Fix Performance/RegexpMatch to handle ::Regexp. (@fatkodima)

Changes

• #318: Extend Performance/StringInclude to handle !~. (@fatkodima)

RuboCop Performance 1.15.1

Bug fixes

• #309: Fix an error for Performance/MapCompact when using map(&:do_something).compact and there is a line break after map.compact and assigning with ||=. (@koic)

Changes

• #307: Support autocorrection even if reject is used on Performance/Count. (@r7kamura)

RuboCop Performance 1.15.0

New features

• #305: Support numbered parameter for Performance/RedundantSortBlock, Performance/SortReverse, and Performance/TimesMap cops. (@koic)

Bug fixes

• #299: Fix incorrect documentation URLs when using rubocop --show-docs-url. (@r7kamura)

Changes

• #297: Support autocorrection on Performance/RedundantMatch when receiver is a Regexp literal. (@r7kamura)

RuboCop Performance 1.14.3

Bug fixes

• #296: Fix a false negative for Performance/StringIdentifierArgument when using instance_variable_defined?. (@koic)
• #294: Fix a false negative for Performance/ChainArrayAllocation when using array.first(do_something).uniq. (@koic)

RuboCop Performance 1.14.2

Bug fixes

• #292: Fix a false positive for Performance/RegexpMatch when TargetRubyVersion: 2.3. (@koic)