I didn't realize it wasn't already ARM. I found one day (https://stackoverflow.com/a/68929949 https://stackoverflow.com/a/68929949) that running Simulator with

I didn't realize it wasn't already ARM. I found one day (https://stackoverflow.com/a/68929949 https://stackoverflow.com/a/68929949) that running Simulator with Rosetta allows momentum scrolling to work, and everything else seemed perfect, so I left it that way.