### New features

* [#77](https://github.com/rubocop/rubocop-performance/issues/77): Add new `Performance/BindCall` cop. ([@koic][])
* [#105](https://github.com/rubocop/rubocop-performance/pull/105): Add new `Performance/DeletePrefix` and `Performance/DeleteSuffix` cops. ([@koic][])
* [#107](https://github.com/rubocop/rubocop-performance/pull/107): Support regexp metacharacter `^` for `Performance/StartWith` cop and regexp metacharacter `$` for `Performance/EndWith` cop. ([@koic][])

### Bug fixes

* [#55](https://github.com/rubocop/rubocop-performance/issues/55): Fix an incorrect autocorrect for `Performance/RegexpMatch` when using `str.=~(/regexp/)`. ([@koic][])
* [#108](https://github.com/rubocop/rubocop-performance/pull/108): Fix an incorrect autocorrect for `Performance/ReverseEach` when there is a newline between reverse and each. ([@joe-sharp][], [@dischorde][], [@siegfault][])

### Changes

* [#103](https://github.com/rubocop/rubocop-performance/pull/103): **(Compatibility)** Drop support for Ruby 2.3. ([@koic][])
* [#101](https://github.com/rubocop/rubocop-performance/issues/101): Mark unsafe for `Performance/Casecmp` cop. ([@koic][])

[@koic]: https://github.com/koic
[@joe-sharp]: https://github.com/joe-sharp
[@dischorde]: https://github.com/dischorde
[@siegfault]: https://github.com/siegfault
