### New features

* Create RuboCop Minitest gem. ([@koic][])
* [#6](https://github.com/rubocop/rubocop-minitest/pull/6): Add new `Minitest/AssertNil` cop. ([@duduribeiro ][])

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