Introduction

A comprehensive guide to SwiftUI's four spacer types - learn how Spacer, _TextBaselineRelativeSpacer, _HSpacer, and _VSpacer work internally, their sizing logic, and when to use each type effectively.

New techniques we’re using at Airbnb to improve and maintain performance of SwiftUI features at scale

A guide to making the best use of the tools available to you to fix bugs in your apps and get to the root cause of the issue in record time.

Learn how to use WebView and WebPage to load and save web content

Learn how to handle navigation in WebView and WebPage

Learn how to craft effective, guided prompts for Apple’s Foundation Model using Swift, SwiftUI, and the powerful FoundationModels framework.

Explore going from prompts to multi-agent architecture by leveraging Foundation Models tool calling capabilities and exposing LLMs themselves as tools

Step through the essential setup for AlarmKit timers in iOS 26, from requesting authorization and scheduling a countdown to presenting the Live Activity and an in-app list of active timers.

As you create increasingly complex SwiftUI views, you may feel your code is turning into a tangled mess of nested stacks, layout view modifiers, and conditionals. In this article, we’ll explore how to leverage SwiftUI’s full toolkit—beyond just stacks—to…

Learn how a Swift lock can help you create thread-safe access to data as an alternative to actors in Swift Concurrency.

Explore the difference between Threads and Tasks in Swift Concurrency and traditional threading methods. Get clarity on their usage.

Does marking a given Swift struct property as either ‘let’ or ‘var’ simply determine its mutability, or is there more to it? Let’s explore!

Learn how to detect text truncation in SwiftUI using fixedSize and GeometryReader, and dynamically select adaptive layouts with ZStack and layoutPriority to ensure text content displays fully without being cut off.

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

Take advantage of the updated search placement and behavior in iOS 26, and implement toolbar and tab bar search patterns that adapt across devices and integrate with the new Liquid Glass design.

Swift 6.2 introduces a new Observations type to stream state changes from an Observable type.

This post explores how to build a simple but convincing refractive glass material in Metal. It assumes you have some familiarity with…

Let me take you through the journey of how I went from achieving 85% memory reduction on a common user interaction. While casually exploring the app, I noticed something off: the RAM footprint would…