Played it for a while on the steam deck now - using a community layout for the controls - great feature that any steam deck owner can adjust the set out to suit their play style & upload so that any deck owner can use it - valve nailed that.
The deck runs the game really well - be nice if the UI could be increased in size - for me it’s the lack of controller support when it comes to the camera - I’m having to fiddle with the camera every few seconds it feels like & that annoys the heck out of me. BG3 camera never the best anyway but it’s still early access & BG3 isn’t verified yet - I think at full release and with controller support steam deck will be very much a cheap option & players will still have a great exp erience.