### New features

* [#8322](https://github.com/rubocop/rubocop/pull/8322): Support autocorrect for `Style/CaseEquality` cop. ([@fatkodima][])
* [#7876](https://github.com/rubocop/rubocop/issues/7876): Enhance `Gemspec/RequiredRubyVersion` cop with check that `required_ruby_version` is specified. ([@fatkodima][])
* [#8291](https://github.com/rubocop/rubocop/pull/8291): Add new `Lint/SelfAssignment` cop. ([@fatkodima][])
* [#8389](https://github.com/rubocop/rubocop/pull/8389): Add new `Lint/DuplicateRescueException` cop. ([@fatkodima][])
* [#8433](https://github.com/rubocop/rubocop/pull/8433): Add new `Lint/BinaryOperatorWithIdenticalOperands` cop. ([@fatkodima][])
* [#8430](https://github.com/rubocop/rubocop/pull/8430): Add new `Lint/UnreachableLoop` cop. ([@fatkodima][])
* [#8412](https://github.com/rubocop/rubocop/pull/8412): Add new `Style/OptionalBooleanParameter` cop. ([@fatkodima][])
* [#8432](https://github.com/rubocop/rubocop/pull/8432): Add new `Lint/FloatComparison` cop. ([@fatkodima][])
* [#8376](https://github.com/rubocop/rubocop/pull/8376): Add new `Lint/MissingSuper` cop. ([@fatkodima][])
* [#8415](https://github.com/rubocop/rubocop/pull/8415): Add new `Style/ExplicitBlockArgument` cop. ([@fatkodima][])
* [#8383](https://github.com/rubocop/rubocop/pull/8383): Support autocorrect for `Lint/Loop` cop. ([@fatkodima][])
* [#8339](https://github.com/rubocop/rubocop/pull/8339): Add `Config#for_badge` as an efficient way to get a cop's config merged with its department's. ([@marcandre][])
* [#5067](https://github.com/rubocop/rubocop/issues/5067): Add new `Style/StringConcatenation` cop. ([@fatkodima][])
* [#7425](https://github.com/rubocop/rubocop/pull/7425): Add new `Lint/TopLevelReturnWithArgument` cop. ([@iamravitejag][])
* [#8417](https://github.com/rubocop/rubocop/pull/8417): Add new `Style/GlobalStdStream` cop. ([@fatkodima][])
* [#7949](https://github.com/rubocop/rubocop/issues/7949): Add new `Style/SingleArgumentDig` cop. ([@volfgox][])
* [#8341](https://github.com/rubocop/rubocop/pull/8341): Add new `Lint/EmptyConditionalBody` cop. ([@fatkodima][])
* [#7755](https://github.com/rubocop/rubocop/issues/7755):  Add new `Lint/OutOfRangeRegexpRef` cop. ([@sonalinavlakhe][])

### Bug fixes

* [#8346](https://github.com/rubocop/rubocop/pull/8346): Allow parentheses in single-line inheritance with `Style/MethodCallWithArgsParentheses` `EnforcedStyle: omit_parentheses` to fix invalid Ruby auto-correction. ([@gsamokovarov][])
* [#8324](https://github.com/rubocop/rubocop/issues/8324): Fix crash for `Layout/SpaceAroundMethodCallOperator` when using `Proc#call` shorthand syntax. ([@fatkodima][])
* [#8332](https://github.com/rubocop/rubocop/pull/8332): Fix auto-correct in `Style/ConditionalAssignment` to preserve constant namespace. ([@biinari][])
* [#8344](https://github.com/rubocop/rubocop/issues/8344): Fix crash for `Style/CaseLikeIf` when checking against `equal?` and `match?` without a receiver. ([@fatkodima][])
* [#8323](https://github.com/rubocop/rubocop/issues/8323): Fix a false positive for `Style/HashAsLastArrayItem` when hash is not a last array item. ([@fatkodima][])
* [#8299](https://github.com/rubocop/rubocop/issues/8299): Fix an incorrect auto-correct for `Style/RedundantCondition` when using `raise`, `rescue`, or `and` without argument parentheses in `else`. ([@koic][])
* [#8335](https://github.com/rubocop/rubocop/issues/8335): Fix incorrect character class detection for nested or POSIX bracket character classes in `Style/RedundantRegexpEscape`. ([@owst][])
* [#8347](https://github.com/rubocop/rubocop/issues/8347): Fix an incorrect auto-correct for `EnforcedStyle: hash_rockets` of `Style/HashSyntax` with `Layout/HashAlignment`. ([@koic][])
* [#8375](https://github.com/rubocop/rubocop/pull/8375): Fix an infinite loop error for `Style/EmptyMethod`. ([@koic][])
* [#8385](https://github.com/rubocop/rubocop/pull/8385): Remove auto-correction for `Lint/EnsureReturn`. ([@marcandre][])
* [#8391](https://github.com/rubocop/rubocop/issues/8391): Mark `Style/ArrayCoercion` as not safe. ([@marcandre][])
* [#8406](https://github.com/rubocop/rubocop/issues/8406): Improve `Style/AccessorGrouping`'s auto-correction to remove redundant blank lines. ([@koic][])
* [#8330](https://github.com/rubocop/rubocop/issues/8330): Fix a false positive for `Style/MissingRespondToMissing` when defined method with inline access modifier. ([@koic][])
* [#8422](https://github.com/rubocop/rubocop/issues/8422): Fix an error for `Lint/SelfAssignment` when using or-assignment for constant. ([@koic][])
* [#8423](https://github.com/rubocop/rubocop/issues/8423): Fix an error for `Style/SingleArgumentDig` when without a receiver. ([@koic][])
* [#8424](https://github.com/rubocop/rubocop/issues/8424): Fix an error for `Lint/IneffectiveAccessModifier` when there is `begin...end` before a method definition. ([@koic][])
* [#8006](https://github.com/rubocop/rubocop/issues/8006): Fix line length calculation for `Style/IfUnlessModifier` to correctly take into account code before the if condition when considering conversation to a single-line form. ([@dsavochkin][])
* [#8283](https://github.com/rubocop/rubocop/issues/8283): Fix line length calculation for `Style/IfUnlessModifier` to correctly take into account a comment on the first line when considering conversation to a single-line form. ([@dsavochkin][])
* [#7957](https://github.com/rubocop/rubocop/issues/7957): Fix line length calculation for `Style/IfUnlessModifier` to correctly take into account code on the last line after the end keyword when considering conversion to a single-line form. ([@dsavochkin][])
* [#8226](https://github.com/rubocop/rubocop/issues/8226): Fix `Style/IfUnlessModifier` to add parentheses when converting if-end condition inside an array or a hash to a single-line form. ([@dsavochkin][])
* [#8443](https://github.com/rubocop/rubocop/pull/8443): Fix an incorrect auto-correct for `Style/StructInheritance` when there is a comment before class declaration. ([@koic][])
* [#8444](https://github.com/rubocop/rubocop/issues/8444): Fix an error for `Layout/FirstMethodArgumentLineBreak` when using kwargs in `super`. ([@koic][])

### Changes

* [#8376](https://github.com/rubocop/rubocop/pull/8376): `Style/MethodMissingSuper` cop is removed in favor of new `Lint/MissingSuper` cop. ([@fatkodima][])
* [#8433](https://github.com/rubocop/rubocop/pull/8433): `Lint/UselessComparison` cop is removed in favor of new `Lint/BinaryOperatorWithIdenticalOperands` cop. ([@fatkodima][])
* [#8350](https://github.com/rubocop/rubocop/pull/8350): Set default max line length to 120 for `Style/MultilineMethodSignature`. ([@koic][])
* [#8338](https://github.com/rubocop/rubocop/pull/8338): **potentially breaking**. Config#for_department now returns only the config specified for that department; the 'Enabled' attribute is no longer calculated. ([@marcandre][])
* [#8037](https://github.com/rubocop/rubocop/pull/8037): **(Breaking)** Cop `Metrics/AbcSize` now counts ||=, &&=, multiple assignments, for, yield, iterating blocks. `&.` now count as conditions too (unless repeated on the same variable). Default bumped from 15 to 17. Consider using `rubocop -a --disable-uncorrectable` to ease transition. ([@marcandre][])
* [#8276](https://github.com/rubocop/rubocop/issues/8276): Cop `Metrics/CyclomaticComplexity` not longer counts `&.` when repeated on the same variable. ([@marcandre][])
* [#8204](https://github.com/rubocop/rubocop/pull/8204): **(Breaking)** Cop `Metrics/PerceivedComplexity` now counts `else` in `case` statements, `&.`, `||=`, `&&=` and blocks known to iterate. Default bumped from 7 to 8. Consider using `rubocop -a --disable-uncorrectable` to ease transition. ([@marcandre][])
* [#8416](https://github.com/rubocop/rubocop/issues/8416): Cop `Lint/InterpolationCheck` marked as unsafe. ([@marcandre][])
* [#8442](https://github.com/rubocop/rubocop/pull/8442): Remove `RuboCop::Cop::ParserDiagnostic` mixin module. ([@koic][])

[@fatkodima]: https://github.com/fatkodima
[@marcandre]: https://github.com/marcandre
[@iamravitejag]: https://github.com/iamravitejag
[@volfgox]: https://github.com/volfgox
[@sonalinavlakhe]: https://github.com/sonalinavlakhe
[@gsamokovarov]: https://github.com/gsamokovarov
[@biinari]: https://github.com/biinari
[@koic]: https://github.com/koic
[@owst]: https://github.com/owst
[@dsavochkin]: https://github.com/dsavochkin
