I can't get an Xbox Series X controller to work, during the opening screen it doesn't allow me to press a button to set it up even though it says to press a button on it. Could support be added?
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Try updating the controller firmware in the Xbox Accessories app, mine suddenly worked properly after that.
Then the controller labels were missing, so it just showed prompts like "Please press options9". The list of keyboard keys in the Readme txt seems to match the order of the prompts, so for options9 press your "Up" button, then "Down", "Left", "Right", "Jump", etc.