Notes on iOS engineering: Swift, SwiftUI, UIKit — from first principles to production patterns.https://nahuelborromeo.com/https://nahuelborromeo.com/blog/swiftui-view-invalidation-boundaries/https://nahuelborromeo.com/blog/swiftui-view-invalidation-boundaries/Breaking a big body into computed properties feels like clean factoring — but it does nothing for performance. Here's the invalidation boundary that explains why, from first principles.Tue, 07 Jul 2026 00:00:00 GMThttps://nahuelborromeo.com/blog/become-a-better-ios-engineer/https://nahuelborromeo.com/blog/become-a-better-ios-engineer/After 4+ years shipping production apps, I'm writing through the entire iOS landscape — because explaining something simply is the ultimate test of mastery.Sun, 05 Jul 2026 00:00:00 GMT