After the stable Xcode 26 release, use reversible build, design, data, accessibility, rollout, and observability boundaries for a production SwiftUI migration.
Design Liquid Glass toolbars in the iOS 26 beta from task priority, system placements, accessibility, and measurable behavior instead of stacked transparency.
Use the WWDC25 and Xcode 26 beta guidance to understand Liquid Glass hierarchy, availability, accessibility, and a reversible migration strategy.