Concerned about ChatGPT's privacy in Xcode? This guide shows you how to take control by integrating Anthropic's Claude and Google's Gemini into Coding Intelligence.

A quick tip on how I use repo2txt and Google AI Studio to understand new codebases. Gemini's 1M token context window is perfect for asking questions about code.

Recently there’s been very exciting developments in the Godot game engine, that have allowed really easy and powerful integration into an existing normal iOS or Mac app. I couldn’t find a lot of documentation or discussion about this, so I wanted to shine…

Actor isolated protocol conformances are a super useful way to ensure that certain protocol conformances are only available on a specific actor. That said, with this feature you’ll open yourself up to…

Learn how the #Playground feature in Xcode 26 can help you experiment with code snippets directly in the canvas.

If you’ve ever tried straddling two worlds—one foot in the elegant, type-safe realm of Swift and the other in the sprawling ecosystem of Java—you know the pain of keeping them in sync. Swift 6.2 introduces a first-class Swift–Java interoperability layer via…

Learn about Design Gmail in-depth with Mobile Dev Interview's comprehensive system-design resource.

The migration path to Swift 6 is now a lot smoother, with lots more guideposts. Work through this tutorial to find out how much easier it’s become.

Learn how to implement user-friendly, type-safe error handling in Swift 6 with structured diagnostics and a hierarchical error model.

Learn how to use Foundation Models in iOS apps

How Swift’s CodableWithConfiguration API can be used to inject additional, required data into a type’s decoding process, without having to use optionals or declare any additional decoding-specific types.

Discover Swift 6.2’s new concurrency-safe NotificationCenter.Message APIs to ensure type safety, eliminate runtime errors, and streamline notification handling.

Sharing experiences and solutions for integrating actors into existing codebases.

MCP server for Apple Developer Documentation - Search iOS/macOS/SwiftUI/UIKit docs, WWDC videos, Swift/Objective-C APIs & code examples in Claude, Cursor & AI assistants - kimsungwh...

Master Metal shaders for SwiftUI development. Learn the GPU fundamentals behind stunning visual effects — no graphics programming experience required.

If you’ve ever tried straddling two worlds—one foot in the elegant, type-safe realm of Swift and the other in the sprawling ecosystem of Java—you know the pain of keeping them in sync. Swift 6.2 introduces a first-class Swift–Java interoperability layer via…

Swift’s new C++ interoperability is a game-changer, letting you tap into mature C++ libraries from Swift’s safe, expressive syntax. In this post, I’ll guide you through the language-pair preview introduced in Swift 5.9—showing how to call C++ functions, wrap…

Ever wondered what really happens under the hood when you build that shiny Swift app? Here’s a confession: I used to treat assembly like dark magic—until I decided to embrace it. In this first installment of our three-part series, we’ll cover the bare essentials:…

GPS coordinates aren’t exact. Sensor readings have noise. User behavior is probabilistic. Yet we write code that pretends uncertainty doesn’t exist, forcing messy real-world data through clean Boolean logic.

Starting with iOS 17, Apple introduced the Observation framework to make updating SwiftUI views more efficient.

Understand DrawingGroup, CompositingGroup and GeometryGroup in the Core Animation way