A deep dive into building a macOS screen recorder. Learn practical solutions for ScreenCaptureKit errors (-3821), high-performance video composition with Metal, and optimizing complex SwiftUI timelines using the new Observable macro.
Why does the compiler still demand @MainActor in even when Default Actor Isolation is enabled? 🤔
Discover how to use @isolated(any) and #isolation to let your functions automatically inherit their caller's context in Swift 6.