### New features

* [#190](https://github.com/rubocop/rubocop-performance/pull/190): Add new `Performance/RedundantSplitRegexpArgument` cop. ([@mfbmina][])
* [#213](https://github.com/rubocop/rubocop-performance/pull/213): Add new `Performance/RedundantEqualityComparisonBlock` cop. ([@koic][])

### Bug fixes

* [#207](https://github.com/rubocop/rubocop-performance/issues/207): Fix an error for `Performance/Sum` when using `map(&do_something).sum` without receiver. ([@koic][])
* [#210](https://github.com/rubocop/rubocop-performance/pull/210): Fix a false negative for `Performance/BindCall` when receiver is not a method call. ([@koic][])

### Changes

* [#205](https://github.com/rubocop/rubocop-performance/issues/205): Update `Performance/ConstantRegexp` to allow memoized regexps. ([@dvandersluis][])
* [#212](https://github.com/rubocop/rubocop-performance/pull/212): Enable unsafe auto-correct for `Performance/StartWith` and `Performance/EndWith` cops by default. ([@koic][])

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