Background Processing Register, schedule, and execute background work on iOS using the BackgroundTasks framework, background URLSession, and background push notifications. Contents - Info.plist Configuration - BGTaskScheduler Registration - BGAppRefreshTask Patterns - BGProcessingTask Patterns - BGContinuedProcessingTask (iOS 26+) - Background URLSession Downloads - Background Push Triggers - Common Mistakes - Review Checklist - References Info.plist Configuration Every task identifier must be declared in under , or throws . Also enable the required : In Xcode: target Signing & Capabilities B…