Normally, you use Ctrl + Z for Undo and Ctrl + Y for Redo. In your games, it is the opposite. That’s not a big problem because you can change the hotkeys, but I had my two minutes of frustration with it
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The issue is more complex than that. I suspect you are using a german keyboard? We use physical keys which means that undo is always on the lower left of your keyboard (which is Ctrl + Y on a german keyboard).
