User blog comment:Kirkburn/Technical Update: May 18, 2015/@comment-126761-20150520114830

One more addition to the list: we've recently pushed a fix for an issue that could cause errors when creating a new wikia.

As mentioned below, additional fixes related to the layout update are being worked on - including fixes for oversized text on forums and walls in Desktop XL mode. The smaller font size increase seen on articles is the intended change.