User blog comment:DaNASCAT/Technical Update: October 2, 2017/@comment-32094204-20171003011244

The bug isn't entirely fixed. Sometimes, I was on the Main page of some wikis. A giant ad banner at the top of the page (the type where it forces you to scroll a little more) showed up. The toolbar seemed to be "pushed" as well. I had to go to a different pag to see the toolbar again.

Edit:think its fixed