As far as what goes? The member group itself isn’t very restricted at all to begin with, so, being added as a mod literally just gives you thread tools like this:
View attachment 28601
Along with that, you have the moderator panel at the top of your screen that pretty much grants you access to that, which, isn’t really useful considering most of what gets done around the forums is within that menu pictured above.
We don’t have hidden mod forums, the same one you’ve always seen near the bottom of the main forum list is the same one we use, but you can reply to threads there now. All members get custom titles and stuff like that, so, there aren’t any fancy benefits to being staff like there used to be.