When should you pick Double and Decimal? Learn about Swift's numeric types and their optimal uses and misuses.

Learn how you can use the @preconcurrency attribute in Swift to incrementally adopt strict concurrency in your projects.

Apple provides a PropertyListEncoder class to save data as a dictionary in a property list file. If your app’s data can be saved to a dictionary, using Pr

One of the silent changes in Swift 5.9 was if and switch expressions. I only saw a little about this option, but it can improve your code in many ways. This week, we will learn about if and switch expressions in Swift.

Boost your productivity with ChatGPT for Swift code generation. Learn how to harness the power of AI to speed up your development process.

While working on a SwiftUI view, I needed a way for aligning views in different stacks in a way that they are centred. Most of the time I can get away using default alignment values, what HStack an…

Push notifications are a feature that many apps use, but there hasn’t been much content around how they work or how to implement them. In this tutorial we will make this complex topic easier to…

Explore SwiftData's performance since Xcode 15 release & its future. We assess its role in Apple's ecosystem and highlight key issues, like predicate conversion and UI updates.

Earlier in this series, I said that there are three proposals that will have a profound effect on how Swift concurrency is used. This one definitely falls into that category. But, I don’t think the word “profound” even goes far enough. I’m not sure how the…

Swift 5.9 introduced a feature, via SE-0392, called custom actor executors. This was a low-level concurrency feature that made it possible to control the context an actor uses for execution. You don’t need to understand the how or even the why here. All that’s…

Lots of people have been turning on strict concurrency and fixing up warnings. But, the reality is, Swift developers will be mixing Swift 6 and non-Swift 6 code for years to come. This proposal is all about making this simultaneously easier and safer at the…

To fit the declarative realm, we can get fancy and design a declarative API. Let's go over some techniques to add to your tool belt.

Learn how you can leverage modern APIs from OSLog to profile, trace, and debug your apps in a much nicer way than you can with a plain print statement.

Learn how to format different types of data within the Text view in SwiftUI

If you have attempted to adopt Swift Concurrency in your codebase, you have certainly needed to address dozens — likely, hundreds — of warnings and errors. S...

Distinguish your app with this underrated framework

Introduction In 2014, when Apple introduced the Metal graphics API, the landscape of computer graphics APIs was dominated by long-established standards like OpenGL. Seismic shifts were afoot, howev…

What does the setup of modular iOS apps look like in practice? What types of modules are there? How can different app features be made to communicate?