A couple of problems / questions

Also, the BuddyPress avatar is not synced with the WPDiscuz comments? 

Posted by: @astgh

One of the active plugins also uses the editable_roles hook and removes the author table for guests. This is not a global wpDiscuz issue, this is just a plugin conflict. 

https://gvectors.com/forum/product-license-questions/refund-request/

Kindly refund my purchase. Thanks.