Talking to Xcode via MCP and fetching a Preview

Learn why Xcode 27 shows a warning when an @Entry declaration creates a new class instance for every fallback access, how unstable environment defaults can cause unnecessary SwiftUI view updates, and how to make them stable.

Learn how to use SwiftUI's new NavigationTransition.crossFade introduced in iOS 27 at WWDC 2026. Explore examples, use cases, and how it compares with the zoom transition.

Learn how to use SwiftUI's new ToolbarOverflowMenu, visibilityPriority(_:), and toolbar placements introduced at WWDC26 to build adaptive toolbars that scale gracefully across iPhone, iPad, Mac, and visionOS.

How ModelBench merges live inference and telemetry streams into one ordered AsyncThrowingStream using a single Swift 6 actor and withThrowingTaskGroup.

Greetings, traveler! Continuations are one of those Swift Concurrency APIs that most app developers do not touch every day, but they become important as soon as old callback-based code has to be wrapped into async/await. A typical example looks like this:…

Build a reusable economy mode modifier that switches a session on device, caps responses, and trims history

Track refresh of an each Scene

Prevent and handle scene close

How I tracked down two SwiftUI animation bugs: an iOS 27 parent-view rebuild that breaks explicit animation, and a ternary-vs-if/else Image glitch in List.