Got my Pro1 back from repair and decided to start out with Lineage 19 as described above by Eske (I flashed the 20220613 recovery image... probably could have used the Lineage 18 recovery which also worked for AICP, but I wanted a fresh start). I also wanted to note that I was able to sideload version 25 of Magisk as a zip (depreciated install technique) in order to get SU, which ios all I use Magisk for. I had to open the Magisk Manager app to finish install, which was painless, but I think might be new. I don't remember having to do that before just for SU. Took me 30 minutes (and then a