The quality-of-service class for maintenance or cleanup tasks that you create.
SDKs
Framework
case background
Background tasks have the lowest priority of all tasks. Assign this class to tasks or dispatch queues that you use to perform work while your app is running in the background.
case userThe quality-of-service class for user-interactive tasks, such as animations, event handling, or updating your app's user interface.
case userThe quality-of-service class for tasks that prevent the user from actively using your app.
case `default`The default quality-of-service class.
case utilityThe quality-of-service class for tasks that the user does not track actively.
case unspecifiedThe absence of a quality-of-service class.
Beta Software
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