Topics tagged mainactor

Topic	Replies	Views	Activity
Is @concurrent now the standard tool for shifting expensive synchronous work off the main actor? Using Swift concurrency , attributes , asyncawait , mainactor , structured-concurren	44	3835	January 8, 2026
@MainActor needs precondition to run on main actor? Using Swift concurrency , asyncawait , mainactor	3	134	December 6, 2025
Default Main Actor isolation and protocol inheritance Using Swift concurrency , mainactor	9	2130	October 14, 2025
Insight needed for `Equatable` with Default MainActor Isolation Using Swift concurrency , mainactor	9	616	September 24, 2025
Swift 6.2 Approachable Concurrency & Default Actor Isolation with Core Data Transformable type Using Swift concurrency , coredata , mainactor	0	210	September 23, 2025
Unexpected UIApplication behavior under Swift Concurrency Using Swift concurrency , uikit , asyncawait , mainactor	10	352	September 17, 2025
withTaskCancellationHandler operation ignores MainActor isolation inside global function Using Swift concurrency , mainactor	2	255	August 24, 2025
Cycle reference since changing to Default Actor Isolation Main Actor in nested structs Using Swift codable , structs , mainactor	3	232	June 27, 2025
Default Isolation: MainActor vs. property wrappers Using Swift concurrency , mainactor	1	283	June 11, 2025
@MainActor conflict with async UseCase in SwiftUI ViewModel Using Swift concurrency , swiftui , asyncawait , mainactor	9	536	April 24, 2025
Async XCTContext.runActivity? Using Swift concurrency , mainactor	1	286	January 27, 2025
@MainActor should make the function async Using Swift concurrency , mainactor	4	3668	December 13, 2024
GlobalActor and DispatchQueue pairing like @MainActor and DispatchQueue.main Core Libraries concurrency , actors , mainactor , dispatchqueue	17	961	December 12, 2024
Is this runtime crash related to incorrect executor assumption / inheritence? Using Swift bug , concurrency , mainactor , executor	0	273	October 23, 2024
@preconcurrency attribute on conformance to 'AProtocol' has no effect Using Swift concurrency , protocols , mainactor	1	525	October 12, 2024
What is the correct way to call UIApplication.shared.beginBackgroundTask no on the main thread? Using Swift concurrency , uikit , mainactor , actor	5	2258	October 11, 2024
Should awakeFromNib() be manually marked as @MainActor? Using Swift mainactor	5	4126	October 9, 2024
Using @MainActor to ensure execution on the main thread Using Swift concurrency , asyncawait , actors , mainactor	5	25739	September 12, 2024
Why doesn’t this MainActor lock the UI Using Swift concurrency , mainactor	8	495	August 7, 2024
Converting function value of type '@MainActor () -> ()' to '() -> Void' loses global actor 'MainActor' Using Swift concurrency , mainactor	11	10087	August 4, 2024
Use a `Protocol` of @MainActor instead of concrete @MainActor class produces an error Using Swift concurrency , protocols , actors , mainactor	6	2796	June 17, 2024
Overloading on the isolation of a closure parameter Using Swift closure , overloading , mainactor , nonisolated , isolated	5	407	June 17, 2024
Using @MainActor on an ObservableObject or a method Using Swift concurrency , actors , mainactor	2	3508	June 11, 2024
MainActor isolated protocol affects on child class but not superclass Using Swift concurrency , protocols , mainactor	3	1099	June 11, 2024
How to correctly update the UI from an asynchronous context Using Swift concurrency , mainactor	14	6563	June 6, 2024
@MainActor behavior for async functions Using Swift concurrency , asyncawait , mainactor	2	677	May 9, 2024
Main actor-isolated class 'B' has different actor isolation from nonisolated superclass 'A' warning Using Swift concurrency , mainactor	1	790	April 15, 2024
@MainActor-isolated property called not on the Main Actor Using Swift concurrency , swiftui , mainactor	7	4748	March 27, 2024
Warning when assigning a closure to an immutable property on a @MainActor isolated struct from a non isolated initializer Discussion escapingclosure , struct , mainactor , swift6 , nonisolated	4	1127	March 17, 2024
Why is a static let CGFloat in a View an async property in swift 6? Using Swift concurrency , mainactor , swift6	12	774	March 14, 2024