1. Swift UI — new UI implementation on iPhone Vision: Modern way to create and support your UI for iOS, iPadOS, watchOS, tvOS. Before: UIKit was designed during the Objective-C era and missed some modern approaches in structuring UI. Now: SwiftUI is an innovative and simple way to build user interfaces across Apple platforms with the power of Swift. Developers get the opportunity to build user interfaces for Apple devices using a freshly backed UI framework, which is going to be dominant in the future.