what's new in swift UI

What's New in SwiftUI

SwiftUI has received several exciting updates and new features this year. Here are some of the highlights:

1. Graphics Capabilities:

   • Color Mixing: A new mix modifier on Color allows you to blend colors together by a given amount.
   • Custom Shaders: The custom shader feature now supports precompiling shaders before their first use to avoid frame drops caused by lazy shader compilation.

2. Scroll View Enhancements:

   • Fine-Grained Control: New APIs provide more control over scroll views, including reacting to changes in content offsets and sizes.
   • Visibility Detection: You can now detect when a view's visibility changes due to scrolling, enabling experiences like auto-playing videos when they come into view.
   • Scroll Positions: More scroll positions are available for programmatic scrolling, such as scrolling to the top edge.
   • Content Alignment: Additional options for content alignment and turning off bouncing along a given axis.

3. Swift 6 Language Mode:

   • Data Race Safety: The new Swift 6 language mode enables compile-time data race safety.
   • Main Actor Isolation: Views in SwiftUI are now marked with the @MainActor annotation, ensuring they are isolated to the main actor by default.

4. Interoperability with UIKit and AppKit:

   • Gesture Recognition: Gesture recognition has been factored out of UIKit, allowing you to use any built-in or custom UI gesture recognizer in your SwiftUI view hierarchy.
   • Animations: Animations have been factored out of SwiftUI, enabling you to set up animations on UIKit or AppKit views and drive them with SwiftUI, including fully custom animations.

5. Custom Containers and Mesh Gradients:

   • Custom Containers: New APIs for creating custom containers.
   • Mesh Gradients: Support for mesh gradients to create more complex and visually appealing designs.

6. New App Integrations:

   • Image Playground: A new app built from the ground up with SwiftUI, featuring a stylish custom interface.
   • Passwords App: A new app with a more standard look and feel, built around familiar forms and controls.
   • Photos App: Redesigned elements built using SwiftUI run side by side with pre-existing views.

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

Relevant Sessions

• What’s new in SwiftUI
• Platforms State of the Union
• What’s new in UIKit
• Elevate your tab and sidebar experience in iPadOS
• What’s new in watchOS 11