### New features

* [#78](https://github.com/rubocop/rubocop-rails/issues/78): Add new `Rails/EnumHash` cop. ([@fedeagripa][], [@brunvez][], [@santib][])

### Bug fixes

* [#53](https://github.com/rubocop/rubocop-rails/issues/53): Fix a false positive for `Rails/SaveBang` when implicitly return using finder method and creation method connected by `||`. ([@koic][])
* [#97](https://github.com/rubocop/rubocop-rails/pull/97): Fix two false negatives for `Rails/EnumUniqueness`. 1. When `enum` name is not a literal. 2. When `enum` has multiple definitions. ([@santib][])

### Changes

* [#98](https://github.com/rubocop/rubocop-rails/pull/98): Mark `Rails/ActiveRecordAliases` as `SafeAutoCorrect` false and disable autocorrect by default. ([@prathamesh-sonpatki][])
* [#101](https://github.com/rubocop/rubocop-rails/pull/101): Mark `Rails/SaveBang` as `SafeAutoCorrect` false and disable autocorrect by default. ([@prathamesh-sonpatki][])
* [#102](https://github.com/rubocop/rubocop-rails/pull/102): Include `create_or_find_by` in `Rails/SaveBang` cop. ([@MaximeLaurenty][])

[@fedeagripa]: https://github.com/fedeagripa
[@brunvez]: https://github.com/brunvez
[@santib]: https://github.com/santib
[@koic]: https://github.com/koic
[@prathamesh-sonpatki]: https://github.com/prathamesh-sonpatki
[@MaximeLaurenty]: https://github.com/MaximeLaurenty
