### Bug fixes

* [#67](https://github.com/rubocop/rubocop-performance/issues/67): Fix an error for `Performance/RedundantMerge` when `MaxKeyValuePairs` option is set to `null`. ([@koic][])
* [#73](https://github.com/rubocop/rubocop-performance/pull/73): Fix a false negative for `Performance/RegexpMatch` when `MatchData` is not detected in `if` branch of guard condition. ([@koic][])

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