As of Xcode 12 (and perhaps earlier) Settings -> Developer -> View -> Zoomed
(tap Set) will adjust the simulator to show with Display Zoom. This is helpful as the iPhone 11 Pro
, iPhone 12 mini
, iPhone 12
, and iPhone 12 Pro
all run at a previously unused resolution of 320 x 693. For more information check out this excellent article by Geoff Hackworth.