Sourced from rubocop's releases.

RuboCop v1.81.1

Bug fixes

• #14563: Fix incorrect autocorrection for Lint/DeprecatedOpenSSLConstant when Cipher appears twice. (@​koic)

Changes

• #14565: Allow multiline method chain for Style/NumberedParameters and Style/ItBlockParameter with EnforcedStyle: allow_single_line when the block itself is on a single line. (@​earlopain)

RuboCop v1.81.0

New features

• #14512: Add Style/ArrayIntersectWithSingleElement cop. (@​r7kamura)
• #10971: Support EnforcedStyleForMultiline: diff_comma in Style/TrailingCommaInArguments. (@​akouryy)

Bug fixes

• #14560: Fix an error for Style/NilComparison cop when using the var.==(nil) and var.===(nil) syntax. (@​viralpraxis)
• #14535: Fix autocorrect for Style/ExplicitBlockArgument when there are two methods that share the same implementation. (@​earlopain)
• #14527: Fix false negatives for Style/NumberedParameters and Style/ItBlockParameter when using multiline method chain with EnforcedStyle: allow_single_line. (@​koic)
• #14522: Fix false negatives for Layout/MultilineOperationIndentation when using indented code on LHS of equality operator in modifier method definition. (@​koic)
• #14496: Fix false negatives for Layout/EmptyLineBetweenDefs for AllowAdjacentOneLineDefs: false and DefLikeMacros that take no block. (@​earlopain)
• #14553: Fix false positives when EnforcedStyle: allowed_in_returns and !! appears across multiple lines in return position. (@​koic)
• #14557: Fix false positives for Style/RedundantParentheses when parentheses are used around a one-line rescue expression as a condition. (@​koic)
• #14525: Fix false positives for Style/RedundantRegexpEscape when an escaped variable sigil follows # (e.g., /#\@foo/, /#\@@bar/, /#\$baz/). (@​koic)
• #14529: Fix false negative in Layout/RescueEnsureAlignment with a block whose send node is split over multiple lines. (@​dvandersluis)
• #14528: Fix Style/RedundantFormat when the format string has a variable width that isn't given as a literal value. (@​dvandersluis)
• #14541: Fix gemspec parsing error when ParserEngine: parser_prism is configured in a base config file. ([@​sudoremo][])
• #14544: Fix an incorrect autocorrect for Lint/Void when using a return value in assignment method definition. (@​koic)
• #14543: Fix an incorrect autocorrect for Style/RedundantRegexpArgument when using escaped single quote character. (@​koic)
• #14540: Fix an incorrect autocorrect for Style/UnlessElse when using unless with then. (@​koic)
• #14507: Fix the built-in Ruby LSP add-on not restarting when config files (.rubocop.yml, .rubocop_todo.yml) change. (@​earlopain)
• #14514: Fix the built-in Ruby LSP add-on not respecting .rubocop config file. (@​earlopain)
• #14508: Fix the built-in Ruby LSP add-on getting in an irrecoverable state when the config is invalid on startup. (@​earlopain)
• #14534: Prevent Layout/LineLength autocorrection from splitting a block if its receiver contains a heredoc. (@​dvandersluis)
• #14497: Fix a false positive for Lint/ShadowedArgument when assigning inside a rescue block. (@​earlopain)

Changes

• #14492: Add support for LSP positionEncoding utf-8 and utf-32. ([@​tmtm][])

... (truncated)

Sourced from rubocop's changelog.

1.81.1 (2025-09-26)

Bug fixes

• #14563: Fix incorrect autocorrection for Lint/DeprecatedOpenSSLConstant when Cipher appears twice. ([@​koic][])

Changes

• #14565: Allow multiline method chain for Style/NumberedParameters and Style/ItBlockParameter with EnforcedStyle: allow_single_line when the block itself is on a single line. ([@​earlopain][])

1.81.0 (2025-09-25)

New features

• #14512: Add Style/ArrayIntersectWithSingleElement cop. ([@​r7kamura][])
• #10971: Support EnforcedStyleForMultiline: diff_comma in Style/TrailingCommaInArguments. ([@​akouryy][])

Bug fixes

• #14560: Fix an error for Style/NilComparison cop when using the var.==(nil) and var.===(nil) syntax. ([@​viralpraxis][])
• #14535: Fix autocorrect for Style/ExplicitBlockArgument when there are two methods that share the same implementation. ([@​earlopain][])
• #14527: Fix false negatives for Style/NumberedParameters and Style/ItBlockParameter when using multiline method chain with EnforcedStyle: allow_single_line. ([@​koic][])
• #14522: Fix false negatives for Layout/MultilineOperationIndentation when using indented code on LHS of equality operator in modifier method definition. ([@​koic][])
• #14496: Fix false negatives for Layout/EmptyLineBetweenDefs for AllowAdjacentOneLineDefs: false and DefLikeMacros that take no block. ([@​earlopain][])
• #14553: Fix false positives when EnforcedStyle: allowed_in_returns and !! appears across multiple lines in return position. ([@​koic][])
• #14557: Fix false positives for Style/RedundantParentheses when parentheses are used around a one-line rescue expression as a condition. ([@​koic][])
• #14525: Fix false positives for Style/RedundantRegexpEscape when an escaped variable sigil follows # (e.g., /#\@foo/, /#\@@bar/, /#\$baz/). ([@​koic][])
• #14529: Fix false negative in Layout/RescueEnsureAlignment with a block whose send node is split over multiple lines. ([@​dvandersluis][])
• #14528: Fix Style/RedundantFormat when the format string has a variable width that isn't given as a literal value. ([@​dvandersluis][])
• #14541: Fix gemspec parsing error when ParserEngine: parser_prism is configured in a base config file. ([@​sudoremo][])
• #14544: Fix an incorrect autocorrect for Lint/Void when using a return value in assignment method definition. ([@​koic][])
• #14543: Fix an incorrect autocorrect for Style/RedundantRegexpArgument when using escaped single quote character. ([@​koic][])
• #14540: Fix an incorrect autocorrect for Style/UnlessElse when using unless with then. ([@​koic][])
• #14507: Fix the built-in Ruby LSP add-on not restarting when config files (.rubocop.yml, .rubocop_todo.yml) change. ([@​earlopain][])
• #14514: Fix the built-in Ruby LSP add-on not respecting .rubocop config file. ([@​earlopain][])
• #14508: Fix the built-in Ruby LSP add-on getting in an irrecoverable state when the config is invalid on startup. ([@​earlopain][])
• #14534: Prevent Layout/LineLength autocorrection from splitting a block if its receiver contains a heredoc. ([@​dvandersluis][])
• #14497: Fix a false positive for Lint/ShadowedArgument when assigning inside a rescue block. ([@​earlopain][])

Changes

• #14492: Add support for LSP positionEncoding utf-8 and utf-32. ([@​tmtm][])

• db58831 Cut 1.81.1
• 2797207 Update Changelog
• 6b2f047 [Fix #14563] Fix an incorrect autocorrect for Lint/DeprecatedOpenSSLConstant
• 8260fc1 Allow implicit block args when the block itself is on one line only
• c1400e7 [Docs] Document --editor-mode in a comment`
• d3ef76a Reset the docs version
• 386bf10 Cut 1.81
• 148250d Update Changelog
• face244 Fix an error for Style/NilComparison cop
• d8c1d4c Fix an error for InternalAffairsOnSendWithoutOnCSend with alias_method an...
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