Strange issue I'm encountering: When I connect my switch pro controller, every single button input starts getting entered all at once, like as if I was pressing each button over and over again. No idea if this happens with other controllers or not.
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Ah sorry, apparently Godot just doesn't work properly with switch pro controllers, which I can't really do anything about since that's just a problem with the game engine unfortunately. I think you should be able to make it work if you add it on steam, using the "Add a Non-Steam Game to my Library" option, and then playing it from there with Steam Input?