I believethis"back" thingstarted right after the site came back to life a few days ago.

 

I've seen that for quite a while, long before the latest outage. But it seems like it's happening more often now.

 

I just always hit the "posts since last visit" icon after I post something. that way it updates everything. But when I look at a thread and do not post a reply I do use the "back" button. So I have to click it a few more times...no biggy