I have identified the problem yesterday. It's what Scott wrote. No Bug. The "problem" is, Xcode runs in English language and so does the Keyboard.
Solution:
Click on your App name in the top middle from the Xcode window next to the current simulator.
A dropdown menu will appear --> click "Edit Scheme"
Change the App Language & App Region to German and Germany. You have to do that in the sub-menu "Run" & "Test".
profit!
OR
Top Menu --> Product --> Scheme --> Edit Scheme --> Point 3 from above --> Profit!
Everything runs smoothly :-)
Topic:
Developer Tools & Services
SubTopic:
Xcode
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