Updated for iOS 26.1 / iPadOS 26.1

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A practical guide to using Swift's @_private(sourceFile:) attribute for testing private members, with best practices for safe usage in production code

Creating custom controls is something that's just flat out fun. But, I believe, there's an objectively right way to do it.

Master macro patterns that make repetitive and verbose code seemingly vanish with the might of macro power to take a touch of the…

How one modifier can transform your SwiftUI layouts from brittle to brilliant

Learn how to profile and optimize Foundation Models performance using Xcode Instruments

What's new with the 2025 iPhone 17 screen sizes.

We’ve already discussed the fundamental concepts of Foundation Models and their structured outputs. This week, we’ll delve into the process of streaming the partial results generated by the model.

Stop littering your Swift code with print() statements. There's a more powerful, efficient way to debug your iOS applications, and it's…

A super technical post about upgrading Calendar Copilot to Swift 6 and Strict Concurrency

Greetings, traveler! SwiftUI sheets are great until you need one specific behavior: react when the user tries to dismiss the sheet interactively. You can disable interactive dismissal with .interactiveDismissDisabled(), and you can provide a “Done” button…

Professional iOS Engineer specializing in SwiftUI, VisionOS, and modern Apple platforms. Expert in HealthKit, tvOS, watchOS and even some VisionOS development with 50+ technical articles and comprehensive portfolio.

Learn how to render Markdown in SwiftUI using Text and AttributedString

I didn't know what to put as a header so here are some iClouds (interesting clouds) in Maine


I’ve had a lot of fun working with CKSyncEngine over the last month or so. I truly think it’s one of the best APIs Apple has built, and they’ve managed to take…

Agent Skills solves a common problem I have with AGENTS.md files across my projects. Every project that I’m working on has its own AGENTS file. Whenever I encounter an invalid AI output, I try to update my AGENTS file to prevent it from happening again. This…