What was new in SwiftUI in 2022?

In 2022, several new features and improvements were introduced in SwiftUI. Here are some of the highlights:

1. Graphics Capabilities:

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

2. Scrolling Enhancements:

   • Fine-grained control over scroll views.
   • New APIs for scroll view state integration, such as onScrollGeometryChange.
   • Ability to detect view visibility changes due to scrolling.
   • More programmatic control over scroll positions and content alignment.

3. Interoperability:

   • Improved integration with UIKit and AppKit.
   • 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.

4. Customizations:

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

5. Xcode Previews:

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

6. Swift 6 Language Mode:

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

7. Accessibility:

   • Enhanced accessibility labels.
   • New accessibility features like conditional modifier support and app intent-based actions.

8. New UI Elements:

   • New tab view, mesh gradients, and custom controls.
   • Improved sidebar flexibility in iOS 18.

For more detailed information, you can refer to the sessions:

• What’s new in SwiftUI
• Platforms State of the Union