What is meant by “upgrade”?

[roderick]

Some BOZO apparently who has been spamming the forum nightly attacking it announcing he was taking things over and denouncing legions of members here as child abusers or something. He got away with the attacks for a few nights, but it looks like someone finally put the little creep to bed.

Are you talking about the guy who tags everyone? If so, then he's still here. I get the most bizarre PMs.