When you subscribe to the practice of test-driven development or just writing tests in general you’ll typically find that you’re going to be writing lots and lots of tests for pretty much everything…

Recently, someone asked me about best practices when using Swift concurrency. I have mixed feelings about the concept of a “best practice”. I’ll get to that in a bit. But, in this case, I said that the technology is still very young and we’re all still figuring…

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Discover how #require macro in Swift Testing can set requirements for your tests and make them clearer and easier to understand.

Discover how to measure SwiftUI view visibility using PreferenceKeys with step-by-step guidance and code examples to enhance your apps.

This article provides a brief introduction to the libraries I have open-sourced over the past two months.

Private Cloud Compute (PCC) fulfills computationally intensive requests for Apple Intelligence while providing groundbreaking privacy and security protections — by bringing our industry-leading device security model into the cloud. To build public trust in…

Today I made an exciting discovery: the existence of AnchoredRelativeFormatStyle. An API that, as of the time of writing this, barely appears in search results other than Apple’s sparse documentation. And to my surprise, it’s exactly what I’ve been looking…

Discover how to enhance your iOS SDK with a customizable SwiftUI toolbar, allowing intuitive button management and improved PDF viewing.

Crazy Mac lady. Mac author & developer. Lover of Apple computers and devices. Swift & SwiftUI enthusiast. Unofficial Mac app dev evangelist

Introduction

The most powerful feature of the Swift Testing framework is the trait system. Traits allow us to annotate a test or test suite to customize its behavior. This week, we will learn how to use built-in trait types to modify tests.

So Google recently renamed TensorflowLite to LiteRT. And yes that was a genius move indeed. Because now for the first time in my life I actually want to try TFLite … yea, I mean LiteRT.

Learn to build a SwiftUI modifier that hides sensitive content from screenshots and screen recordings, which is ideal for apps prioritizing user privacy.

How do you build flexible grid-like flow layouts with SwiftUI?

Future-proof your pipeline operations

An exceptional deep dive

UIKit automatically tracks trait changes starting in iOS 18.

MainActor in Swift replaces DispatchQueue.main and ensures tasks are performing on the main thread in a performant manner.

Explore data tracking in Core Data & SwiftData, from custom notifications to Persistent History Tracking, for robust data sync solutions. Learn key techniques.