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SwiftUI

Declarative UI for any Apple platform

SwiftUI is Apple's declarative framework for building user interfaces across all Apple platforms. Introduced in 2019, it provides a unified API for creating apps on iOS, macOS, watchOS, tvOS, and visionOS. SwiftUI uses a declarative syntax where developers describe what the UI should look like and how it should behave, and the framework handles rendering, animation, and layout. It integrates tightly with Swift's modern concurrency features and offers live previews in Xcode.