Apple’s iOS 12.1 Beta Points to Support for 4K External Displays on New iPad Pros
The iOS 12.1 beta simulator in Xcode offers support for 4K external displays, meaning that the new iPad Pros could be getting USB-C instead of Lightning ports.
iOS 12.1 Beta
iOS 12.1 Beta Includes Code That Hints at Face ID Support in Landscape Mode
Apple's iOS 12.1 beta has code which suggests support for Face ID in landscape mode is coming.