what are the highlights of new swiftui changes?

The highlights of the new SwiftUI changes presented at WWDC 2024 include:

1. Graphics Capabilities:

   • New mix modifier on color to blend colors.
   • Extended custom shader feature with precompilation to avoid frame drops.

2. Scrolling Enhancements:

   • Fine-grained control over scroll views.
   • New APIs for reacting to scroll geometry changes.
   • Ability to detect view visibility changes due to scrolling.

3. Xcode Previews:

   • New dynamic linking architecture for smoother workflow.
   • Previewable macro to use dynamic properties like state directly in previews.

4. Customizations:

   • Custom hover effects for visionOS.
   • New options for window behavior and styling in macOS.
   • New text renderer API for advanced visual effects and animations.

5. Interoperability:

   • Gesture recognition factored out of UIKit for use in SwiftUI.
   • Animations can now be set up on UIKit or AppKit views and driven by SwiftUI.

6. New APIs and Features:

   • Custom containers, mesh gradients, and scrolling customizations.
   • Programmatic access to text selection within text editing controls.
   • New capabilities for document-based apps, windowing, and input methods on macOS and visionOS.

7. Accessibility:

   • Enhanced accessibility features, including conditional modifier support and app intent-based accessibility actions.

8. Swift 6 Language Mode:

   • Compile-time data race safety.
   • Views in SwiftUI are now marked with the main actor annotation.

For more detailed information, you can check out the session What’s new in SwiftUI.