We have wondered why there haven't been many forum posts.
The only thing I can think of is cudos to Josh (the cpb programmer). I guess nobody needs support!
We are actively working on Community Builder Personal-izer (cbp) and a new project call ITB (If - Then - Bot).
The commercial version of cbp should be out this week with new capabilities, more control and a great feature to:
Display an image from the CB field and place a caption under it. The caption text can be entered in the content or it can come from another CB field.