2021 EssentialsHealth & FitnessSwiftUI & UI FrameworksSystem Services
WWDC21 · 20 min · Essentials / Health & Fitness / SwiftUI & UI Frameworks / System Services
What’s new in watchOS 8
watchOS 8 brings all-new opportunities to keep people up to date on their watch face. With new APIs for the Always-On Retina display and updating complications from Bluetooth devices and background delivery of HealthKit data, it’s never been easier to keep your app up to date. Learn about region-based user notifications to leverage location in your app. Explore all the new enhancements to SwiftUI and watchOS that will get you excited to build your next Watch app.
Watch at developer.apple.com ↗Code shown on screen · 2 snippets
isLuminanceReduced Environment Property
(\.isLuminanceReduced) var isLuminanceReduced isLuminanceReduced ContentView Preview
ContentView().environment(\.isLuminanceReduced, true) Resources
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