whats new in UIKit?

Asked on 06/16/2025

2 searches

In the "What's New in UIKit" sessions at WWDC, several enhancements and new features were introduced for UIKit across different iOS versions:

  1. iOS 18 Enhancements:

    • Document Launch Experience: Redesigned for document-based apps to showcase their identity with full control over launch views and support for template document creation.
    • Tabs and Sidebar Updates: Major updates to tabs and sidebars, including new fluid transitions.
    • Automatic Trait Tracking: Easier handling of traits with automatic tracking and invalidation.
    • UIUpdateLink: A new feature for implementing complex animations requiring periodic UI updates, similar to CA display link but with more features.
  2. iOS 26 Enhancements:

    • New Design System: Introduction of "Liquid Glass," a new material that is translucent and dynamic, updating the look and feel of system materials and controls.
    • SwiftUI Interoperability: Improved integration with SwiftUI, including support for Swift observable objects and new animation options.
    • Menu Bar on iPadOS: Introduction of a menu bar similar to macOS, providing quick access to app functionality.
    • Architectural Improvements: Built-in support for Swift observable objects and new APIs for better menu bar construction.

For more detailed information, you can watch the sessions What's new in UIKit (2024) and What's new in UIKit (2025).