Some Windows Software Update Services (WSUS) users got a surprise on their patching servers on August 20: A mention of Windows 7 Client.
The actual Windows 7 client code was not distributed via WSUS. But the appearance of Windows 7 on the list of products that will be serviced over WSUS paves the way for Microsoft to start pushing something Windows-7-related to customers in the coming months.
Read more at All About Microsoft