Hi,
I have run up against another apparent problem. V4 doesn't seem to be able to show regular users. For example, if you create a new business space and just publish it, enter a new regular user and then search for regular users, you will not see the new regular user or the default admin regular user. Even if you create a query to show regular users, nothing shows up.
The same thing happens with my library example bsv, if I log in as admin and search for regular users, none are found although there are two users in the database. Perhaps you could try the same thing on one of your bsv's to confirm that the problem is with the version and not with my server installation.
cheers,
Pete