iPad won’t use external display feature, only mirroring, the arrangement button is missing
ipad Pro 2021 12.9 inch, tried both on version 16.2, and version 16.3.
I am using a type c to type c connection, the display appears under screen and brightness but there is no arrangement option.
The cable is fine because it mirror the iPad and because I also tried on my other iPad Pro 2021 11 inch and it works like a charm.
iPad Pro, iPadOS 16