I have a forum problem.. threads that I haven’t read yet seem to get marked as read. So I come to the forum, see a bunch of new threads, and read some of them. Later I come back and the threads I didn’t read are now marked as read, making it hard to work out what I’ve seen and what I haven’t.
I looked in my control panel but I can’t see a setting that controls this, and it doesn’t happen to me at other forums (though I use hardly any other vBulletins)