Swift 6 introduced a new feature called "Access level imports". With [SE-0409](https://github.com/swiftlang/swift-evolution/blob/main/proposals/0409-access-level-on-imports.md) you can attach access level modifiers to your import statements. In the p...

I’m Paulo. A software developer based in Lisbon, Portugal, founder of Outer Corner, currently building apps for Apple platforms.

Understand document-based apps with SwiftUI.

Greetings, traveler! SwiftUI makes it easy to react to text input. There are two common approaches to handle formatted text input: Use TextField format option Format the string inside onChange and then write the processed value back into the same binding…

It is possible with one line of code to switch back to the old-style tab bar at the bottom of the screen, even on iPadOS 26!

Architectural design patterns like VIPER might seem radically different from common ones like MVVM. However, upon deeper inspection, it turns out that these patterns share the same constitutive components. In this article, we will compare the MVVM and VIPER…

How switching from a get-only Binding to a let variable might not be as innocent as you think

SwiftData migrations are one of those things that feel optional… right until you ship an update and real users upgrade with real data on disk. In this post we’ll dig into: By the end of this post you…

Learn how AI agents and tools like Cursor have reshaped my workflow and brought new efficiencies to my app development process.

Comparing GPU single-texture uploads, vertical strip tiling, grid tiling, and the CPU fallback for huge equirectangular images.

While Swift 6.2's Default Actor Isolation simplifies concurrency, the compiler sometimes fails to infer closure execution contexts, leading to unexpected errors. This article explores a practical solution using @isolated(any) and the #isolation macro to achieve…

Xcode 26.3 introduces support for agentic coding, a new way in Xcode for developers to build apps, powered by coding agents from Anthropic and OpenAI.

Xcode 26.3 ships with 20 native MCP tools for AI agents. Learn how to use Xcode's DocumentationSearch, BuildProject, RenderPreview, and more from Cursor, Claude CLI, or any MCP client using the mcpbridge.

Greetings, traveler! Overlay windows are handy when you need UI that sits above everything else. Think about global toasts, network banners, call-status bars, floating debug panels, or a context menu you want to present independently of your main view hierarchy.…

Learn how InlineArray works in Swift 6.2. This guide explains fixed-size arrays, memory benefits, performance use cases, and real-world examples.

Paid up front apps can be a tough sell on the App Store. You might be getting plenty of views on your product page, but if those views aren’t converting to downloads, something has to change.

On-Demand Resources allow you to ship a smaller initial app download and fetch additional assets like images, sounds, level data, ML models, and more only when a user requires them. This week, we’ll explore how to utilize on-demand resources to store secrets…

In this short post I want to recommend an ordered reading list that will get you from Zero to Hero in Swift Concurrency

Apple has finally released Xcode 26.3, which now supports agentic coding. In this article, I’ll guide you through configuring Xcode 26.3 and utilizing the latest best practices when using agentic tools for building apps on Apple platforms.

The Observation Framework is great... once you figure out how it actually works

Do You Really Need DTOs or Are You Just Copying JSON