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WWDC 2025 - iOS 26 Background APIs Explained: BGContinuedProcessingTask Changes Everything
- The article explains the Background APIs in iOS 26, focusing on the Background Runtime Foundation and Core System Principles.
- It outlines the Five Pillars of Background Excellence including Efficient Resource Usage, Minimal System Impact, Resilient Architecture, Courteous Behavior, and Adaptive Design.
- Different categories like App Refresh Tasks, Background Push Notifications, Processing Tasks are detailed with their best uses and key characteristics.
- The article discusses Begin/End Background Tasks for critical operations during transitioning.
- In iOS 26, Continued Processing Tasks allow user-initiated long-running tasks with core requirements like explicit initiation, measurable progress, and user control.
- Implementation architecture, capabilities like Background GPU Access, Quality of Service Management, and development best practices are covered in depth.
- Guidelines for Pre-Development Questions, Task Design Principles, and System Integration are provided for efficient background task management.
- The article emphasizes the importance of balancing user experience, system performance, and battery life in iOS background runtime evolution.
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