Sorry, incorrect...
Here is a screenshot of my TV application. You can see my company at the top left "xx Solutions Inc.". There is also a group here called "xx Financial"
You can see the cloud beside it indicating it is shared with others. If I click on "share" for that group, I can see it is shared with "xx Financial". Also, as administrator, I am able to remove this shared user from the TV app. This "xx Financial" is *not* in my list of contacts - they are a *user* listed under "User Management".
However, I cannot add any additional users through the app (as tigerpie's original post).
If you say that the TV application does not download the list of users, why is it that I can see this "xx Financial" user as a share for this group and why is it that I (as administrator) can also remove them? This should not be possible accordingly to your logic.
In conclusion, yes, there was the ability to add shared contacts to groups from the TV app in the past and now this functionality is lost.
Yes, I am unhappy with your support, but this has no bearing on this being a *bug* - which it is