Liquid Glass for SwiftUI on iOS 26 and iOS 27: an API reference verified against Apple's docs, system chrome (toolbars, tab bars, search, sheets) with the iOS 27 APIs and how to gate them, HIG rules, contrast measured on iOS 27, accessibility, performance, anti-patterns, patterns, ten example screens, and a linter that catches invented APIs.
Also answers design questions about Liquid Glass in iPhone, iPad, and Mac apps, without code.
1 in the Claude listing