Xcode 5.1 - Could not load the simulator

Apple offered me Xcode 5.1 today. Xamarin blog recommended that I update to 5.1. So I upgraded to Xcode 5.1.

Now, when trying to start an app from Xamarin Studio on the simulator, I'm getting warning MT1201: Could not load the simulator: dlopen(/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/Library/PrivateFrameworks/iPhoneSimulatorRemoteClient.framework/Versions/A/iPhoneSimulatorRemoteClient, 1): image not found

Looks like iPhoneSimulatorRemoteClient.framework is gone. There's a DVTiPhoneSimulatorRemoteClient.framework.

Any ideas besides downgrading to Xcode 5.0?

I'm going to check out some of the component download options available in Xcode now....