Given the increasing number of forum users, and the difficulty for newcomers without a social network of getting input on their posts, I thought I'd highlight this Facebook group (I have no affiliation to it, if that matters for a FB group).
It doesn't look very active, but I think if you post an open-access Google doc in there, many people will still receive a notification about it and potentially read your work.
Seems like this could be a good resource!
Minor note is that the number of forum users peaked in Nov. 2022 and has been declining since.
The FTX collapse took place in November 2022. Among other things, this resulted in a lot of negative media attention on EA.
It's also worth noting that this immediately followed a large (very positive, on the whole) media campaign around Will MacAskill's book What We Owe the Future in summer 2022, which I imagine caused much of the growth earlier that year.