Fix typo in settings dialog
Show a notification popup when changing keyboard brightness
I18n: Update translation zh_TW (100%).

207 translated messages.

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I18n: Update translation es (100%).

207 translated messages.

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I18n: Update translation de (97%).

201 translated messages, 6 untranslated messages.

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I18n: Update translation fr (100%).

207 translated messages.

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