### New features

* [#12227](https://github.com/rubocop/rubocop/pull/12227): Add new `Style/SingleLineDoEndBlock` cop. ([@koic][])
* [#12246](https://github.com/rubocop/rubocop/pull/12246): Make `Lint/RedundantSafeNavigation` aware of constant receiver. ([@koic][])
* [#12257](https://github.com/rubocop/rubocop/issues/12257): Make `Style/RedundantDoubleSplatHashBraces` aware of `merge` methods. ([@koic][])

### Bug fixes

* [#12244](https://github.com/rubocop/rubocop/issues/12244): Fix a false negative for `Lint/Debugger` when using debugger method inside block. ([@koic][])
* [#12231](https://github.com/rubocop/rubocop/issues/12231): Fix a false negative for `Metrics/ModuleLength` when defining a singleton class in a module. ([@koic][])
* [#12249](https://github.com/rubocop/rubocop/issues/12249): Fix a false positive `Style/IdenticalConditionalBranches` when `if`..`else` with identical leading lines and assign to condition value. ([@koic][])
* [#12253](https://github.com/rubocop/rubocop/pull/12253): Fix `Lint/LiteralInInterpolation` to accept an empty string literal interpolated in words literal. ([@knu][])
* [#12198](https://github.com/rubocop/rubocop/issues/12198): Fix an error for flip-flop with beginless or endless ranges. ([@koic][])
* [#12259](https://github.com/rubocop/rubocop/issues/12259): Fix an error for `Lint/MixedCaseRange` when using nested character class in regexp. ([@koic][])
* [#12237](https://github.com/rubocop/rubocop/issues/12237): Fix an error for `Style/NestedTernaryOperator` when a ternary operator has a nested ternary operator within an `if`. ([@koic][])
* [#12228](https://github.com/rubocop/rubocop/pull/12228): Fix false negatives for `Style/MultilineBlockChain` when using multiline block chain with safe navigation operator. ([@koic][])
* [#12247](https://github.com/rubocop/rubocop/pull/12247): Fix false negatives for `Style/RedundantParentheses` when using logical or comparison expressions with redundant parentheses. ([@koic][])
* [#12226](https://github.com/rubocop/rubocop/issues/12226): Fix false positives for `Layout/MultilineMethodCallIndentation` when aligning methods in multiline block chain. ([@koic][])
* [#12076](https://github.com/rubocop/rubocop/issues/12076): Fixed an issue where the top-level cache folder was named differently during two consecutive rubocop runs. ([@K-S-A][])

### Changes

* [#12235](https://github.com/rubocop/rubocop/pull/12235): Enable auto parallel inspection when config file is specified. ([@aboutNisblee][])
* [#12234](https://github.com/rubocop/rubocop/pull/12234): Enhance `Style/FormatString`'s autocorrection when using known conversion methods whose return value is not an array. ([@koic][])
* [#12128](https://github.com/rubocop/rubocop/issues/12128): Make `Style/GuardClause` aware of `define_method`. ([@koic][])
* [#12126](https://github.com/rubocop/rubocop/pull/12126): Make `Style/RedundantFilterChain` aware of `select.present?` when `ActiveSupportExtensionsEnabled` config is `true`. ([@koic][])
* [#12250](https://github.com/rubocop/rubocop/pull/12250): Mark `Lint/RedundantRequireStatement` as unsafe autocorrect. ([@koic][])
* [#12097](https://github.com/rubocop/rubocop/issues/12097): Mark unsafe autocorrect for `Style/ClassEqualityComparison`. ([@koic][])
* [#12210](https://github.com/rubocop/rubocop/issues/12210): Mark `Style/RedundantFilterChain` as unsafe autocorrect. ([@koic][])

[@koic]: https://github.com/koic
[@knu]: https://github.com/knu
[@K-S-A]: https://github.com/K-S-A
[@aboutNisblee]: https://github.com/aboutNisblee
