SwiftUI new updates

Generated on 8/16/2024

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SwiftUI New Updates

At WWDC 2024, several exciting updates were introduced for SwiftUI:

  1. Graphics Capabilities: SwiftUI now includes a new mix modifier on colors, allowing you to blend colors beautifully. Additionally, custom shaders can be precompiled to avoid frame drops caused by lazy shader compilation.

  2. Scroll View Enhancements: There are new APIs for fine-grained control over scroll views. You can react to changes in content, offsets, and content size with the onScrollGeometryChange feature. This allows for dynamic experiences like auto-playing videos when content moves on or off the screen.

  3. Swift 6 Language Mode: SwiftUI has improved its APIs to make it easier to adopt the new Swift 6 language mode, which includes compile-time data race safety. Views in SwiftUI are now evaluated on the main actor by default.

  4. Interoperability: SwiftUI has enhanced interoperability with UIKit and AppKit. Gesture recognition has been factored out of UIKit, allowing gesture recognizers to be used in SwiftUI view hierarchies. Animations can now be set up on UIKit or AppKit views and driven by SwiftUI.

  5. New Features: Other new features include custom containers, mesh gradients, and scrolling customizations. SwiftUI is ready to help build any user interface with less and better code.

  6. Accessibility and Previews: SwiftUI now allows adding additional accessibility information without overriding existing labels. Xcode previews have a new dynamic linking architecture, improving iteration speed and setup.

For more detailed information, you can refer to the session What’s new in SwiftUI (00:00:00).

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