I have no idea about communities yet but the first time I heard about the coming soon was in February 2017 :D

What I am hoping for however is that an account can maintain its 'clean presence' on a platform while still using other platforms for their purposes. The general content interfaces put everything in together (mostly) and it gets kind of messy for viewers who might not care much for some content. I remember that when people were sharing their tweets to Facebook, it was annoying :D What ever happened to Facebook anyway?