What video where they talk about the new UI layout's performance,, how more effective than the previous?
Asked on 06/12/2025
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The performance and effectiveness of the new UI layout, particularly with the introduction of Liquid Glass, is discussed in several sessions at WWDC 2025. The session titled "What’s new in UIKit" provides an overview of the new design system, including the performance improvements brought by Liquid Glass, which enhances the legibility and responsiveness of UI elements (What’s new in UIKit).
Additionally, the session "Build a UIKit app with the new design" goes into detail about how to adopt the new design and the performance benefits it brings, such as more responsive transitions and enhanced visual continuity (Build a UIKit app with the new design).
These sessions highlight how the new design system not only updates the visual aesthetics but also improves the overall performance and user experience of apps across Apple's platforms.

Platforms State of the Union
Discover the newest advancements on Apple platforms.

What’s new in UIKit
Modernize your app with the latest APIs in UIKit, including enhanced menu bar support, automatic observation tracking, a new UI update method, and improvements to animations. We’ll also cover how you can include SwiftUI scenes in your UIKit app and explore SF Symbols, HDR color pickers, and more.

Build a UIKit app with the new design
Update your UIKit app to take full advantage of the new design system. We’ll dive into key changes to tab views, split views, bars, presentations, search, and controls, and show you how to use Liquid Glass in your custom UI. To get the most out of this video, we recommend first watching “Get to know the new design system” for general design guidance.