### Bug fixes

* [#289](https://github.com/rubocop/rubocop-performance/issues/289): Fix a false positive for `Performance/StringIdentifierArgument` when using namespaced class string argument. ([@koic][])
* [#288](https://github.com/rubocop/rubocop-performance/pull/288): Recover Ruby 2.4 code analysis using `TargetRubyVersion: 2.4`. ([@koic][])

### Changes

* [#287](https://github.com/rubocop/rubocop-performance/pull/287): **(Breaking)** Drop Ruby 2.5 support. ([@koic][])

[@koic]: https://github.com/koic
