RuboCop Performance 1.21.0

New features

• #446: Support Prism as a Ruby parser (experimental). (@koic)

Bug fixes

• #437: Fix a false positive for Performance/ChainArrayAllocation when using select with block argument after select. (@koic)
• #448: Fix a false positive for Performance/RedundantBlockCall when using block.call with block argument. (@koic)

Changes

• #240: Disable Performance/Casecmp cop by default. (@parkerfinch)

RuboCop Performance 1.20.2

Bug fixes

• #425: Fix a false positive for Performance/StringIdentifierArgument when using string interpolation with methods that don't support symbols with :: inside them. (@earlopain)

RuboCop Performance 1.20.1

Bug fixes

• #428: Fix false negatives for Performance/StringIdentifierArgument when using multiple string arguments. (@koic)

RuboCop Performance 1.20.0 (The RubyConf Taiwan 2023 Edition)

New features

• #384: Support optimized String#dup for Performance/UnfreezeString when Ruby 3.3+. (@koic)

Bug fixes

• #374: Fix an error for Performance/MapMethodChain when using map method chain without receiver. (@koic)
• #386: Fix a false negative for Performance/StringIdentifierArgument when using string interpolation. (@earlopain)
• #419: Make Performance/Count, Performance/FixedSize, Performance/FlatMap, Performance/InefficientHashSearch, Performance/RangeInclude, Performance/RedundantSortBlock, Performance/ReverseFirst, Performance/SelectMap, Performance/Size, Performance/SortReverse, and Performance/TimesMap cops aware of safe navigation operator. (@koic)
• #390: Fix a false negative for Performance/ReverseEach when safe navigation is between reverse and each. (@fatkodima)
• #401: Make Performance/Sum aware of safe navigation operator. (@koic)

Changes

• #389: Improve Performance/MapCompact to handle more safe navigation calls. (@fatkodima)
• #395: Enhance Performance/StringInclude to handle === method. (@fatkodima)
• #388: Require RuboCop 1.30+ as runtime dependency. (@koic)
• #380: Require RuboCop AST 1.30.0+. (@koic)

RuboCop Performance 1.19.1

Bug fixes

• #367: Fix an incorrect autocorrect for Performance/BlockGivenWithExplicitBlock when using Lint/UnusedMethodArgument's autocorrection together. (@ymap)
• #370: Fix an incorrect autocorrect for Performance/RedundantMatch when expressions with lower precedence than =~ are used as an argument. (@ymap)
• #365: Fix false positives for Performance/ArraySemiInfiniteRangeSlice when using [] with string literals. (@koic)
• #373: Set target version for Performance/UnfreezeString. (@tagliala)

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)