SwiftUI Performance Articles

Tutorials Aug 21, 2026Intermediate

Xcode Instruments for SwiftUI: Profiling Hangs, Frame Drops, and Memory Leaks in iOS 26

Profile SwiftUI apps with Xcode Instruments in Xcode 26. A real-device workflow for finding hangs, frame drops, and memory leaks, plus custom signposts with OSSignposter.

Lukas Müller 16 min read

Tutorials Aug 05, 2026Intermediate

SwiftUI onGeometryChange in iOS 26: Replace GeometryReader for Efficient Size and Frame Tracking

onGeometryChange replaces GeometryReader in iOS 26 for observing view size, frames, safe-area insets, and scroll offsets. Fewer layout passes, no preference-key sandwich, and no full-frame container swallowing your view.

Editorial Team 14 min read