What Changes are in SwiftUI in 2024?

Generated on 9/3/2024

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In 2024, SwiftUI introduced several new features and improvements:

  1. Graphics Capabilities: SwiftUI now includes a new mix modifier on colors, allowing you to blend colors by a specified amount. Additionally, custom shaders can be precompiled to avoid frame drops caused by lazy shader compilation.

  2. Scrolling Enhancements: There are new APIs for scroll views, providing fine-grained control over scroll positions and the ability to detect changes in a view's visibility due to scrolling. This allows for creating experiences like auto-playing videos when content moves on or off the screen.

  3. Swift 6 Language Mode: SwiftUI has improved its APIs to make it easier to adopt the new Swift 6 language mode, which includes compile-time data race safety. Views in SwiftUI are now implicitly isolated to the main actor by default.

  4. Interoperability: Significant improvements have been made to the integration of gestures and animations between SwiftUI and UIKit/AppKit. You can now use any built-in or custom UI gesture recognizer in your SwiftUI view hierarchy, and SwiftUI animations can be used to animate UIKit views.

  5. Customizations: New options are available for customizing the look and feel of apps, such as custom hover effects for visionOS and new options for window behavior and styling in macOS.

  6. Text Renderer API: A new text renderer API enables advanced visual effects and animations, allowing for creative text effects like karaoke-style word highlighting.

For more detailed information, you can refer to the session What’s new in SwiftUI (16:18) which covers scrolling enhancements and other updates.

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