My game crashes only on steam deck?

Godot Version

4.1.3

Question

so my game works fine on windows running through steam and on the steam deck in desktop mode, but when I try to launch on steam deck out of desktop mode, it tries to open the game shows a white box in the corner then crashes? Has anyone had issues with this or tried to fix this. I tried setting changes and a bunch of other things on the deck.

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I had the same problem with my game that I made in Unity - it started crashing only on Steam Deck.
I fixed it by forcing it to run in compatibility mode. Go to Properties of your game on Steam Deck, then Compatibility tab, check “Force the use of a specific Steam Play compatibility tool” and choose e.g. “Proton Experimental”.

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I did this, I tried EVERY version of proton and EVERY screen resolution. It used to work just fine? What is really weird is I tried older builds of the game that I KNOW worked and they no longer work.