Create an interactive snippet view.

Understand how to create custom layouts with the Layout protocol in SwiftUI.

Learn how to get access to the user contacts for your SwiftUI applications.

Almost every project I work on has at least three build configurations: Debug, TestFlight, and App Store. These configurations differ not only in build settings but also in functionality. This week, we’ll learn how to implement feature flags in Swift, which…

Segmented ticks, with some animations, some haptic effects, and optionally show some labels!

Swift 6.2 comes with some interesting Concurrency improvements. One of the most notable changes is that there’s now a compiler flag that will, by default, isolate all your (implicitly nonisolated)…

As a developer who uses Swift regularly, should be something that’s almost muscle memory to you. I’ve written about using before in the context of when you should generally capture weakly in your…

We promoted code consistency and increased developer velocity.

基于 OpenSwiftUI 实现探索 TimelineView 和 TimelineSchedule 的内部机制

Investigating a critical memory leak in SwiftUI TextField on iOS 17+ caused by AFUITargetDetectionController and providing workarounds

The arrival of SwiftUI in 2019 brought about a major shift in view management. Indeed, views in UIKit used classes with inheritance…

Large Swift codebases hit walls: slow builds, flaky tests, complex graphs. We dive into why Apple's toolchain struggles at scale and how teams can overcome these challenges without React Native or Bazel.

Today we’re announcing the next major chapter for Apple Security Bounty, featuring the industry’s highest rewards — up to $2 million and a maximum payout in excess of $5 million — expanded research categories, and a flag system for researchers to objectively…

Detect out-of-bounds memory access, use of freed memory, and other potential vulnerabilities.

Discover Memory Integrity Enforcement (MIE), a new security technology where hardware, the operating system, and the compiler work together to prevent access to invalid memory, safely aborting program execution before vulnerabilities can be exploited. Find…

documenting my understanding of how iOS draws app content - EthanArbuckle/ios-rendering-docs

Greetings, traveler! Apple’s recent design language introduces a glowing, animated stroke effect that highlights shapes and components in a subtle yet dynamic way. Let’s walk through how to recreate this effect in SwiftUI with reusable extensions. Extending…

Greetings, traveler! While SwiftUI’s built-in Toggle control works perfectly for most cases, sometimes you want something more expressive—something that visually communicates state beyond just color or position. This small exploration shows how to attach…

Greetings, traveler! Language detection is one of those subtle features that can quietly improve user experience—especially in multilingual apps. Whether you’re building a translation tool, a reader app, or adaptive UI that reacts to language, Apple’s NaturalLanguage…

Starting with Xcode 26, there’s a new way to observe properties of your models. In the past, we had to use the function to access properties and receive changes with semantics. In Xcode 26 and Swift 6.