Insider tips and techniques to optimize app performance

The many ways to delete data from a SwiftData store.

Understand and address the common reasons apps crash.

Introduction AnyView is a type-erased view, that can be handy in SwiftUI containers consisting of heterogeneous views. In these cases, you don’t need to specify the concrete type of all the v…

Discover the hidden complexities and surprising interactions between Actors and protocol extensions in Swift. This article peels back layers of assumed thread safety, trying to create race conditions using the Threads Torture Tests suite and discovering what…

When you fetch data using Core Data or SwiftData it includes pending changes by default.

With the Observation framework, we depend on `@State` and pass around objects in the environment. However, you may get stuck with how bindings work with them.

While working on updating iOS screenshots for the App Store recently, I discovered that simctl status_bar is still broken. And unfortunately, I do not expect...

The GitHub issue I created for myself was Tap a photo to load it in Apple Photos. It was supposed to be a 10 minute thing. One of those tasks you quickly knock off and then feel good about yourself because you’ve been so productive.

How to load and use local Stable Diffusion models in a Swift app using CoreML and ml-stable-diffusion.

Explore Core Data relationships: types (one-to-one, one-to-many, many-to-many), inverse relationships, delete rules, and optimization for efficient data management.

How to create Conway's Game of life with SwiftUI

If you would like to start learn graph algotithms I hope this post can help you with finding some basic information about it. With shared playthrounds and examples you can check them it action by yourself.

You’re more of a video kind of person? I’ve got you covered! Here’s a video with the same content than this article 🍿

In this article I will show you how to achieve a strong compile-time guarantee that your code is correct. I will demonstrate how the internal structure of your types can hold unbreakable rules within them, known as invariants. Through real-world examples…

In this article I will introduce you to Typestate pattern, popularised by Rust language, now available in Swift 5.9. You will see how the combination of generic constraints and Swift's new memory ownership model allows you to write bulletproof code.

explore how MVVM fits into SwiftUI, how to leverage its advantages, and how it compares to Clean Swift and the Composable Architecture.

Explore Swift's @available annotation and #unavailable directive for managing function availability, ensuring adaptable, robust code.