What's new in GameController

extension GCControllerHomeButtonSettingsManager {

    /// Get the current controller Home button action.
    ///
    public func readControllerHomeButtonAction() throws -> GCControllerHomeButtonSettingsManager.Action
}

extension NotificationCenter.MessageIdentifier where Self == NotificationCenter.BaseMessageIdentifier<GCSpatialAccessory.DidConnectMessage> {

    /// The identifier of the message that posts after a spatial accessory
    /// connects to the device.
    public static var didConnect: NotificationCenter.BaseMessageIdentifier<GCSpatialAccessory.DidConnectMessage> { get }
}

extension NotificationCenter.MessageIdentifier where Self == NotificationCenter.BaseMessageIdentifier<GCSpatialAccessory.DidDisconnectMessage> {

    /// The identifier of the message that posts after a spatial accessory
    /// disconnects from the device.
    public static var didDisconnect: NotificationCenter.BaseMessageIdentifier<GCSpatialAccessory.DidDisconnectMessage> { get }
}

public enum Action : Int, @unchecked Sendable {

    /** The controller home button action could not be accessed. */
    case unavailable = 0

    /** The controller home button action opens the current application. */
    case openCurrentApplication = 1

    /** The controller home button action performs some other action. */
    case other = 9223372036854775807
}

public enum Activity : Int, @unchecked Sendable {

    /** Customize the action that occurs in response to long press of the
     *  Home button. */
    case customizeAction = 1

    /** Disable the system Home button actions while this app has focus. */
    case customizeOverrides = 2
}

public struct DidConnectMessage : NotificationCenter.MainActorMessage {

    /// A type which you can optionally post and observe along with this `MainActorMessage`.
    public typealias Subject = GCSpatialAccessory

    /// A optional name corresponding to this type, used to interoperate with notification posters and observers.
    public static var name: Notification.Name { get }

    /// The spatial accessory object that connected to the device.
    public var spatialAccessory: GCSpatialAccessory

    public init(spatialAccessory: GCSpatialAccessory)

    /// Converts a posted notification into this main actor message type for any observers.
    ///
    /// To implement this method in your own `MainActorMessage` conformance, retrieve values from the ``Notification``'s ``Notification/userInfo`` and set them as properties on the message.
    /// - Parameter notification: The posted ``Notification``.
    /// - Returns: The converted `MainActorMessage` or `nil` if conversion is not possible.
    @MainActor public static func makeMessage(_ notification: Notification) -> GCSpatialAccessory.DidConnectMessage?
}

public struct DidDisconnectMessage : NotificationCenter.MainActorMessage {

    /// A type which you can optionally post and observe along with this `MainActorMessage`.
    public typealias Subject = GCSpatialAccessory

    /// A optional name corresponding to this type, used to interoperate with notification posters and observers.
    public static var name: Notification.Name { get }

    /// The spatial object that disconnected from the device.
    public var spatialAccessory: GCSpatialAccessory

    public init(spatialAccessory: GCSpatialAccessory)

    /// Converts a posted notification into this main actor message type for any observers.
    ///
    /// To implement this method in your own `MainActorMessage` conformance, retrieve values from the ``Notification``'s ``Notification/userInfo`` and set them as properties on the message.
    /// - Parameter notification: The posted ``Notification``.
    /// - Returns: The converted `MainActorMessage` or `nil` if conversion is not possible.
    @MainActor public static func makeMessage(_ notification: Notification) -> GCSpatialAccessory.DidDisconnectMessage?
}