### Bug fixes

* [#517](https://github.com/rubocop/rubocop-performance/issues/517): Fix false positives for `Performance/RedundantStringChars` when using `str.chars[0, 2]`. ([@koic][])

### Changes

* [#520](https://github.com/rubocop/rubocop-performance/issues/520): Disable `Performance/BigDecimalWithNumericArgument` by default. ([@earlopain][])

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