What is Sendable in Swift? A practical explanation of data races, isolation, and why structs, classes, and actors are Sendable or not, with real examples.
Written by: Karin Prater
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This might be slightly against the mainstream opinion, but I want to write code that works even if it looks boring. I don’t care if … Read more
Written by: Karin Prater
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The SwiftUI property wrapper @State doesn’t store values in your view struct. It creates a node in SwiftUI’s AttributeGraph, and if you don’t understand that, you’ll write bugs you can’t explain. Here’s what’s actually happening and how to fix the most common mistake.
Written by: Karin Prater
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In simple setups — a view behind an if condition, a sheet, a fullscreen cover — onAppear works exactly how you’d expect. Show the view, … Read more
Written by: Karin Prater
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iOS app development, SwiftUI, Uncategorized
SwiftUI has been around since 2019. Apple has given us dozens of WWDC talks about it. And yet most developers — even experienced ones — … Read more
Written by: Karin Prater
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When working with async Swift code in Swift 6, you’ll eventually hit this classic question: “Is this code running on the main thread?” You might try … Read more
Written by: Karin Prater
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Apple just changed the game at WWDC 2025 with the Foundation Models framework. For the first time, you can now run the exact same AI … Read more
Written by: Karin Prater
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Writing tests sounds boring until your app breaks and you have no idea why. In this post, we’ll walk through how to write simple, focused … Read more
Written by: Karin Prater
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If you’ve ever shipped a bug where a button did nothing, a sheet didn’t show, or the wrong item appeared on screen—this post is for … Read more
Written by: Karin Prater
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Manual QA is slow, clumsy and error-prone. When you click through every flow in your app by hand, you lose precious time—and you still might … Read more
Written by: Karin Prater
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