Engineering
SwiftUI Profiling with Instruments: 100,000 Calendar Events
A 100,000-event stress test sent us through SwiftData, SwiftUI layout, navigation caches, and a surprisingly expensive hover effect.
Maciej Szamowski6 min read
Stories
Engineering
Diagnosing a SwiftUI Color Scheme Bug on macOS
A SwiftUI macOS window stayed in the old color scheme until focus changed. Here is the evidence, the failed fixes, and what my first tests missed.
Maciej Szamowski7 min read