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Learn how to enable SwiftUI's ForEach slow-path diagnostic in Xcode, interpret warnings about variable view counts, and address the reported patterns in List and lazy stacks.
Present grouped data as a multi-level donut chart, where each outer ring reveals a more detailed breakdown and each subgroup aligns with its parent category.
Compare the effects of stored inputs, state, bindings, environment values and observable models on SwiftUI view updates through input comparison, access tracking and subscription behavior.
Learn how to organize daily data into a calendar-style visualization and provide a meaningful VoiceOver experience that clearly communicates each date and its value.
Use SwiftUI transaction values to identify updates made by wrapped UITextView and NSTextView editors, preventing the same values from being applied again when SwiftUI sends them back.
Use the defaults Terminal command to clear persisted values and test onboarding, settings, and fresh app state.
Create a cut out icon effect in SwiftUI by applying a foreground style with an inner shadow to an SF Symbol image.
In iOS 26, SwiftUI introduces a new close button role for dismissing informational views, automatically showing a standard close icon without needing a custom label.
Master programmatic scroll control in SwiftUI using defaultScrollAnchor(_:), scrollPosition(_:anchor:), and ScrollPosition to configure, drive, and read scroll position in your apps.
Configure a SwiftUI app to schedule and handle a background fetch task using the Background Tasks framework and the backgroundTask(_:action:) SwiftUI modifier.
Make your views and controls fit perfectly within their containers using new SwiftUI APIs in iOS 26 such as the ConcentricRectangle shape and the containerShape() view modifier.
Step through the essential setup for AlarmKit timers in iOS 26, from requesting authorization and scheduling a countdown to presenting the Live Activity and an in-app list of active timers.