SwiftUI most important updates and what's new

Here are some of the most important updates and new features in SwiftUI as presented at WWDC:

1. Performance Improvements: SwiftUI has seen significant performance enhancements, particularly in lists and scrolling. For example, lists on macOS with over 100,000 items now load 6 times faster and update up to 16 times faster. Scrolling has also been optimized for smoother experiences across all platforms.

2. New APIs and Features:

   • Web Content: New web APIs allow embedding web content with WebKit's WKWebView API in SwiftUI. A new declarative webview component and a Web Page API have been introduced for better integration.
   • Rich Text Editing: SwiftUI now supports rich text editing by changing the binding of a text editor's text from a string to an attributed string, allowing for customizable styling and editing experiences.
   • 3D Charts: Swift Charts now support 3D interactions, allowing users to rotate and zoom in on charts, enhancing data visualization capabilities.

3. Graphics and Visual Effects: New graphics capabilities include a mix modifier for colors and extended custom shader features to avoid frame drops. There are also new APIs for scroll views, allowing for more control over content visibility and scrolling behavior.

4. Interoperability and Integration: SwiftUI has improved interoperability with UIKit and RealityKit, making it easier to integrate SwiftUI views with existing frameworks and technologies.

5. Accessibility and Ease of Use: Enhancements in accessibility features, such as conditional modifier support and app intent-based actions, have been added. Xcode previews have been improved with a new dynamic linking architecture, increasing iteration speed and ease of setup.

For more detailed information, you can refer to the sessions What’s new in SwiftUI and Platforms State of the Union.