### Bug fixes

* [#601](https://github.com/rubocop/rubocop-rails/pull/601): Handle ignored_columns from mixins for `Rails/UnusedIgnoredColumns` cop. ([@tachyons][])
* [#603](https://github.com/rubocop/rubocop-rails/issues/603): Fix autocorrection of multiple attributes for `Rails/RedundantPresenceValidationOnBelongsTo` cop. ([@pirj][])
* [#608](https://github.com/rubocop/rubocop-rails/issues/608): Fix autocorrection of strict validation for `Rails/RedundantPresenceValidationOnBelongsTo` cop. ([@pirj][])

### Changes

* [#585](https://github.com/rubocop/rubocop-rails/pull/585): Make `Rails/ReadWriteAttribute` cop aware of shadowing methods. ([@drenmi][])
* [#604](https://github.com/rubocop/rubocop-rails/issues/604): Remove `remove_reference` and `remove_belongs_to` methods from `Rails/ReversibleMigration` cop offenses. ([@TonyArra][])

[@tachyons]: https://github.com/tachyons
[@pirj]: https://github.com/pirj
[@drenmi]: https://github.com/drenmi
[@TonyArra]: https://github.com/TonyArra
