If you missed the announcement (https://community.emc.com/community/connect/documentum/blog/2017/03/21/new-opentext-elite-and-a-team-customer-communities-come-on-in?et=blogs.comment.created#comment-46965) there’s a new “forum” for Documentum users at OpenText: https://opentext.influitive.com/
I’m not digging the cascade layout…