SwiftUI Document API: Build Faster File-Based Apps
Build responsive file-based SwiftUI apps with the new Document API, snapshot-based saves, direct URL access, and practical migration advice for iOS …
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Performance
Filed from the deskBGContinuedProcessingTask in iOS: A Practical Guide
Use BGContinuedProcessingTask in iOS 26 to finish user-started exports safely, report progress, handle cancellation, and recover from interruptions …
Read More →MetricKit in Swift: Find Production Performance Bugs
Build a privacy-conscious MetricKit pipeline in Swift to detect launch, hang, crash, memory, CPU, and disk regressions across real users' devices …
Read More →Swift 6.4 Ownership Preview: Avoid Expensive Copies
Preview Swift 6.4 ownership work while profiling hidden value copies and redesigning hot APIs with borrowing, consuming, and noncopyable types—with …
Read More →Swift Concurrency: Why Your Async Code Still Freezes UI
Learn why Swift async code can freeze your UI, how Task inherits actor isolation, and how to move image processing off MainActor with cancellation …
Read More →Struct vs Class in Swift: Making the Right Choice
A senior-level deep dive on Swift struct vs class — value semantics, copy-on-write, mutating methods, identity vs equality, protocol composition, and …
Read More →iOS Memory Management: From ARC to Retain Cycles
A senior-level deep dive on iOS memory management — ARC internals, strong/weak/unowned, retain cycle debugging in Memory Graph, autoreleasepool, and …
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