"He also said that the patching system had been updated to allow much tighter control over branch offices and remote users, who may not have decent bandwidth. Patches can be distributed peer-to-peer, and the timing of the installations can be set to ensure update downloads do not interfere with day-to-day operations."
Already does - it's called BranchCache, and has worked with WSUS since 2008. Time of day for installation is a simple group policy setting, been around for years. None of that is new.