Since they are targeting a single hardware platform with little difference in configuration, I feel proton will run much more smoothly on the Steam Deck. They w

Since they are targeting a single hardware platform with little difference in configuration, I feel proton will run much more smoothly on the Steam Deck. They will be able to tie the software with the hardware more closely for better compatibility. IIRC most problems with proton arise due to various hardware issues or incompatibilities.