Yes there is at least a search facility (and PMs).
I think I am more familiar with the old integrated course forums.
There were three other forums (as far as I remember). Two that came from the link on the bottom and had big pictures/ icons (one was for course ideas) and then a third that was more for suggestions and discussions where we could up-vote and the MemRise team conversed with us. (I commented and made suggestions in all three.)
(As you know there are several threads here about the loss of the different types of Forums.)
The problem now is that all four areas are here and we start on one topic then “chat” and many other issues get covered and although that is good, if I want to go back to a particular issue it could be in several places…
As someone who likes to see small issues with courses resolved, I find getting in touch with creators who haven’t made it here, for one reason or another, frustrating. Still the MemRise team seem happy for me to support those courses.