[SOLVED] German umlauts won't display at the same time as Cyrillic.

Jul 6, 2021
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So I have this problem where in some apps ukrainian text is displayed wrong. This is fixed by setting the system locale to Ukrainian. But when I do that, all the letters that are unique to german (which I am learning) will not display properly and will display as random cyrillic letters. So I have to switch to english/german as my system locale to see umlauts and ß. Turning on the beta option (control panel > region >administrative > change system locale > tick the box) to use Unicode makes all the unique characters question marks in rhombuses.
Is there a way to see both German and Cyrillic characters normally at the same time?