Annotate UIKit-bound controllers with @MainActor for Swift 6 #103
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Summary
@MainActorSWIFT_STRICT_CONCURRENCY=completebuilds by allowing constraint updates and animator callbacks on the main actorDetails
Building with Swift 6.2 and
SWIFT_SUPPRESS_WARNINGS=NOcurrently fails due to main-actor isolation violations in:UIViewController+Children.swift(helper methods used by container)HeightContraintOverlayTranslationController.swift(mutatesNSLayoutConstraint)InterruptibleAnimatorOverlayContainerTransitionCoordinator.swift(animator callbacks)Adding
@MainActorto these types brings them in line with UIKit’s main-thread requirement and resolves the concurrency errors. Behavior is unchanged; only actor isolation is specified explicitly.Tested: builds cleanly on Swift 6.2 simulator with strict concurrency.