Triple screen setup after update?

I didn't see any of the usual controls (angle, bezel size, distance) to define a triple screen setup. It seems like just picking the 48:9 aspect ratio (or whatever the numbers are) & the correct resolution puts you in triple screen multiview mode with an assumed angle? Anyone know differently?

I adjusted FOV until things looked lined up. Will need to make custom resolution to correct for bezels, but I need to do that for AMS anyway.