From 5.4.0 to 5.4.1

Namespace: MonoTouch

Type Changed: MonoTouch.Constants

Removed:

public const string Version = "5.4.0";

Added:

public const string Version = "5.4.1";

Namespace: MonoTouch.CoreBluetooth

Type Changed: MonoTouch.CoreBluetooth.CBCentralManagerDelegate

Removed:

public abstract void RetrievedConnectedPeripherals (CBCentralManager central, CBPeripheral peripherals);

Added:

public abstract void RetrievedConnectedPeripherals (CBCentralManager central, CBPeripheral[] peripherals);

Namespace: MonoTouch.Foundation

Type Changed: MonoTouch.Foundation.NSTimer

Added:

[Obsolete("This instance of NSTimer would be unusable. Symbol kept for binary compatibility")]
        public NSTimer ();

Namespace: MonoTouch.MediaPlayer

Type Changed: MonoTouch.MediaPlayer.MPMoviePlayerController

Removed:

public static MonoTouch.Foundation.NSObject ObserveWillEnterFullscreen (EventHandler<MPMoviePlayerFullScreenEventArgs> handler);

Added:

public static MonoTouch.Foundation.NSObject ObserveWillEnterFullscreen (System.EventHandler<MonoTouch.Foundation.NSNotificationEventArgs> handler);

Namespace: MonoTouch.ObjCRuntime

New Type: MonoTouch.ObjCRuntime.MountainLionAttribute

public class MountainLionAttribute : Attribute {
        
        public MountainLionAttribute ();
}

Xamarin Workbook

If it's not already installed, install the Xamarin Workbooks app first. The workbook file should download automatically, but if it doesn't, just click to start the workbook download manually.