Update on my Ipad Pro 2021 12.9“ screen shadow. it seems to be on every new ipad 12.9“ model. its noticeable on the pro xdr display from the apple store too so
Shadow D-METER-2 Multi OBD2 Display Gauge | Prosport Gauges UK
Shadows Display Photos (teacher made) - Twinkl
White Shadow Box Deep Display 3D Wooden Frame Square, Popular Sizes 8x8, 10x10, 12x12 - by BabyRice