In preparation for the rumored, upcoming release of Windows Phone SDK 8 (of which a version has already appeared, as a leak on the web), Microsoft has updated its AppHub,the system through which it manages the submission of the app to the Windows Phone Marketplace.
The update follows a previously announced maintenance, which has blocked the use of the AppHub all day on Monday.
Starting today,the AppHub was renamed and becomes Windows Phone Dev Center and responds to new address .