Microsoft has released Windows Phone SDK 8.0 Update for Windows Phone 8.0.10322
The Windows Phone SDK 8.0 Update for Windows Phone 8.0.10322 adds four new emulator images to an existing installation of Windows Phone SDK 8.0. This update requires Visual Studio 2012 Update 2. Using this update, you can test how your apps will run on devices that have build 8.0.10322 or higher of Windows Phone 8.Windows Phone SDK 8.0 Update for Windows Phone 8.0.10322
