whats new in ios 18 swiftui?

In iOS 18, SwiftUI introduces several new features and improvements:

Graphics Capabilities:
- New mix modifier on color to blend colors by a given amount.
- Extended custom shader feature with precompiled shaders to avoid frame drops.
Scroll View Enhancements:
- Fine-grained control over scroll views with onScrollGeometryChange.
- Ability to detect view visibility changes due to scrolling.
- More programmatic control over scroll positions and content alignment.
TabView Updates:
- New syntax in SwiftUI to declare a tab struct with title, image, and content view.
- Ensures all tabs have the same selection type and matches the tab view itself.
Swift 6 Language Mode:
- Enables compile-time data race safety.
- Views in SwiftUI are now evaluated on the main actor by default.
Interoperability with UIKit:
- Gesture recognition and animations have been factored out to work seamlessly with SwiftUI.
- Use SwiftUI animation types to animate UIKit views.
Custom Containers and Mesh Gradients:
- New APIs for creating custom containers and beautiful mesh gradients.
Scrolling Customizations:
- Additional options to control scrolling behavior, such as turning off bouncing along a given axis and programmatically stopping scrolling.

For a detailed overview, you can watch the session What’s new in SwiftUI.