Design a reversible and validated SwiftUI editor around AttributedString, selection, formatting intents, Unicode-safe ranges, and an explicit document schema.
Design Liquid Glass toolbars in the iOS 26 beta from task priority, system placements, accessibility, and measurable behavior instead of stacked transparency.
Understand the roles of WebView and WebPage in the iOS 26 beta, then design observable navigation, controlled links, and a gradual compatibility boundary.
Use the WWDC25 and Xcode 26 beta guidance to understand Liquid Glass hierarchy, availability, accessibility, and a reversible migration strategy.