Plans for 'official' dark theme support?

Changing themes and colors is now much easier in Ionic4 and we have seen some really good samples and examples posted by other developers and even Ionic team members with dark themes, and toggling between dark and light themes. We have tried to combine some of these into our apps to get a dark theme, but…

Doing dark theme right is hard, especially the details. For example, the ‘toggle’ border when disabled. Similar issues with alerts, popovers etc…

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So, are there any plans for default dark theme colors in Ionic? That can match the iOS/Android default dark colors instead of just another shade of gray.