Format it, or extend the primary partition.

Go to the game’s properties, then go to compatibility and force use of proton. If you’ve ever had it installed and deleted the proton files for a game, this is what you need to do to be able to use it on Linux again.

It should automatically swap A and B. A should always be current and B should always be previous. When you boot into B, it should change those behind the scenes so that the former B is now A, and the former A is now B.

It shouldn’t autoamtically update…

To answer the question for those wanting to revert, power the deck down, then hold the … button and power it up. Select the second option (B) and your deck will load back up in the previous version.

Shouldn’t be. For those with an LCD, with the added control and benefits in 3.5.5, the HD screen should also benefit more. If you can’t by an OLED version, $100 for that upgrade is probably a good deal.