### New features

* [#5184](https://github.com/rubocop/rubocop/issues/5184): Add new multiline element line break cops. ([@maxh][])
* Add new cop `Rails/ActiveRecordOverride` that checks for overriding Active Record methods instead of using callbacks. ([@elebow][])
* Add new cop `Rails/RedundantAllowNil` that checks for cases when `allow_blank` makes `allow_nil` unnecessary in model validations. ([@elebow][])
* Add new `Naming/RescuedExceptionsVariableName` cop. ([@AdrienSldy][])

### Bug fixes

* [#6761](https://github.com/rubocop/rubocop/issues/6761): Make `Naming/UncommunicativeMethodParamName` account for param names prefixed with underscores. ([@thomthom][])
* [#6855](https://github.com/rubocop/rubocop/pull/6855): Fix an exception in `Rails/RedundantReceiverInWithOptions` when the body is empty. ([@ericsullivan][])
* [#6856](https://github.com/rubocop/rubocop/pull/6856): Fix auto-correction for `Style/BlockComments` when the file is missing a trailing blank line. ([@ericsullivan][])
* [#6858](https://github.com/rubocop/rubocop/issues/6858): Fix an incorrect auto-correct for `Lint/ToJSON` when there are no `to_json` arguments. ([@koic][])
* [#6865](https://github.com/rubocop/rubocop/pull/6865): Fix deactivated `StyleGuideBaseURL` for `Layout/ClassStructure`. ([@aeroastro][])
* [#6868](https://github.com/rubocop/rubocop/pull/6868): Fix `Rails/LinkToBlank` auto-correct bug when using symbol for target. ([@r7kamura][])
* [#6869](https://github.com/rubocop/rubocop/pull/6869): Fix false positive for `Rails/LinkToBlank` when rel is a symbol value. ([@r7kamura][])
* Add `IncludedMacros` param to default rubocop config for `Style/MethodCallWithArgsParentheses`. ([@maxh][])
* [#6785](https://github.com/rubocop/rubocop/issues/6785): Do not register an offense for `Rails/Present` or `Rails/Blank` in an `unless else` context when `Style/UnlessElse` is enabled. ([@rrosenblum][])

### Changes

* [#6854](https://github.com/rubocop/rubocop/pull/6854): Mark Rails/LexicallyScopedActionFilter as unsafe and document risks. ([@urbanautomaton][])
* [#5977](https://github.com/rubocop/rubocop/issues/5977): Warn for Performance Cops. ([@koic][])
* [#6637](https://github.com/rubocop/rubocop/issues/6637): Move `LstripRstrip` from `Performance` to `Style` department and rename it to `Strip`. ([@anuja-joshi][])
* [#6875](https://github.com/rubocop/rubocop/pull/6875): Mention block form of `Struct.new` in ` Style/StructInheritance`. ([@XrXr][])
* [#6871](https://github.com/rubocop/rubocop/issues/6871): Move `Performance/RedundantSortBy`, `Performance/UnneededSort` and `Performance/Sample` to the Style department. ([@bbatsov][])

[@maxh]: https://github.com/maxh
[@elebow]: https://github.com/elebow
[@AdrienSldy]: https://github.com/AdrienSldy
[@thomthom]: https://github.com/thomthom
[@ericsullivan]: https://github.com/ericsullivan
[@koic]: https://github.com/koic
[@aeroastro]: https://github.com/aeroastro
[@r7kamura]: https://github.com/r7kamura
[@rrosenblum]: https://github.com/rrosenblum
[@urbanautomaton]: https://github.com/urbanautomaton
[@anuja-joshi]: https://github.com/anuja-joshi
[@XrXr]: https://github.com/XrXr
[@bbatsov]: https://github.com/bbatsov
