# [5.1.0](https://github.com/lwouis/alt-tab-macos/compare/v5.0.0...v5.1.0) (2020-08-20) ### Bug Fixes * sometimes crashed when opening the preferences window (closes [#543](https://github.com/lwouis/alt-tab-macos/issues/543)) ([0f3c91a](https://github.com/lwouis/alt-tab-macos/commit/0f3c91a)) ### Features * update korean and portuguese localizations ([32ff753](https://github.com/lwouis/alt-tab-macos/commit/32ff753)) ### Performance Improvements * fix very small memory leaks ([8b7da21](https://github.com/lwouis/alt-tab-macos/commit/8b7da21))