User blog comment:BertH/Fluid layout is arriving on December 4/@comment-1408288-20131118211127/@comment-5275700-20131118212635

No change would have happened yet, unless you or another admin had requested it. In any case, it sounds like it might be a bug? I took a quick look at the wiki I think you mean, and I don't see any issues. Please report any bugs to Special:Contact and we can take a look.