Why not a notification system like you have on windows 10 but between Easymorph server and desktop ? As a possible implementation It can be the possibility to add new RSS flows in the start menu, right blue column where there is already the RSS coming from Easymorph.
Well, all kinds, things that I want to share to all my users : technical and business information, last issues and fixes, availability of a new version internally etc. It can be anything