Windows 10 Anniversary update will usher into lots of changes in Action Center, Live Tiles and Notifications this summer. You can read all about these changes revealed during Build 2016 by clicking here and here. There is one more notification change that seems very interesting. Multi-user aware apps and notifications API bring lots of notification improvements as can be seen in the example screenshot below.
It is especially awesome in case of Xbox related multi-player games etc with notifications targeted to individual players and users.