What's new in SwiftUI this year?

This year, SwiftUI has introduced several exciting updates and enhancements. Here are some of the key highlights:

1. Performance Improvements: SwiftUI has seen significant performance enhancements, particularly in scrolling and list handling. For example, lists on macOS with over 100,000 items now load six times faster, and updates are up to 16 times faster. These improvements extend across all Apple platforms.

2. New APIs and Features:

   • Web Content: SwiftUI now supports embedding web content with new WebKit APIs, including a declarative WebView component.
   • Rich Text Editing: New capabilities for rich text editing have been added.
   • 3D Charts: Support for 3D charting is now available, allowing for more dynamic data visualization.

3. Widgets and Controls: Enhancements to widgets and controls make apps more integrated with the platform. Widgets are now available on Vision OS and CarPlay, with new APIs for relevance on watchOS.

4. Scene and Interoperability: SwiftUI has improved interoperability with UIKit and AppKit, allowing for better integration of gestures and animations. Scene bridging allows SwiftUI scenes to be requested from UIKit and AppKit lifecycle apps.

5. RealityKit Integration: There are numerous improvements in integrating SwiftUI with RealityKit, including enhanced support for presentations and new components for synchronizing animations and binding to components.

6. Design and UI Enhancements: The new design system provides a consistent and fluid experience across Apple platforms. Updates to navigation containers, tab bars, and toolbars enhance the visual appeal and usability of apps.

7. Accessibility and Customization: SwiftUI has gained new customization options for fine-tuning the look and feel of apps, as well as improved accessibility features.

For a detailed overview, you can check out the session What’s new in SwiftUI (19:12) and Platforms State of the Union (44:39).