Swipe actions were a primary reason for using List in SwiftUI. As you may recall, I’ve mentioned several times that a scroll view paired with lazy stacks is the preferred approach in most scenarios, except when swipe actions are required.
SwiftUI tabs used to be simple on iPhone and more awkward on iPad. On iPhone, TabView naturally mapped to a bottom tab bar. On iPad, many apps needed something closer to a sidebar: more space, grouped destinations, and a layout that feels better on a large display.
The usual answer was to build a custom sidebar, split the app into separate navigation structures, or use conditional code for iPhone and iPad. That worked, but it also meant you were responsible for keeping selection, layout, and platform behavior in sync.
Xcode 27 launched during WWDC 2026 and includes Apple’s SwiftUI Agent Skill for the first time. These skills work great for agentic development in Xcode, or when Using Xcode 27’s Agent Skills in Claude, Codex, and Cursor, any AI IDE.
While we can use these skills and not look back, it’s far more interesting to dive a little deeper and analyze what Apple believes is important enough to include in an Agent Skill. Skills need to be compact and optimized for token usage, so only essential parts will be included. In this article, we’ll dive deeper into the SwiftUI best practices by looking at the SwiftUI Specialist Agent Skill bundled in Xcode 27.
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