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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.

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Code shown on screen · 2 snippets

isLuminanceReduced Environment Property swift · at 2:49 ↗
@Environment(\.isLuminanceReduced) var isLuminanceReduced
isLuminanceReduced ContentView Preview swift · at 3:01 ↗
ContentView().environment(\.isLuminanceReduced, true)

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