macOS Development

Develop powerful macOS apps with guides on Swift, AppKit, and SwiftUI, covering desktop patterns, system integration, and native performance.

A dim hub with glowing conduits radiating outward, two of them broken partway along leaving their destinations unlit

iOS Development, macOS Development, Apple Platform Development 9 min read

Testing App Intents: The Half of the Migration Nobody Writes

The migration guides all stop at the point your App Intent compiles. That's the moment the interesting failures begin and they're silent, which is why Apple shipped a framework specifically to catch them.

Two block structures side by side on separate platforms, one brightly lit and one dimmer, fed from a single origin block and linked by short filaments

iOS Development, macOS Development, Apple Platform Development 11 min read

Swift Testing vs XCTest in 2026: Should You Migrate Yet?

Swift Testing has matured. Here's a side-by-side syntax comparison, the specific cases where migrating costs more than it's worth, and why the interop improvements matter more than any single feature.