Rather embarrassing first post :(
It seems these where dormant registrations that just so happened to register 1 year ago today in VB4 and not actually new XenForo!
I just didn't spot the 2012 instead of 2013 registration dates when they started posting.
Am I doing something wrong? I have the following setting enabled:
Enable Email Confirmation
Enable Manual Approval
Yet, the forum is still allowing certain users to register with a state of 'Valid' without requiring manual approval, yet when I register a test account myself, it is placed in...