Last modified: 2013-05-29 10:57:29 UTC
Don't have a details yet, but in the recent refactorings there is a regression which causes "System" to be used as a font.
Created attachment 12402 [details] mediawiki.org for some user http://www10.pic-upload.de/27.05.13/bxhleq4ygzm.jpg
Created attachment 12403 [details] Commons beta for some user Opposite, that was from https://imageshack.us/a/img580/4605/zomgxx.png :)
Someone mentioned https://gerrit.wikimedia.org/r/#/c/65658/1/resources/js/ext.uls.webfonts.js as the possible blameworthy
Reedy kindly reverted ULS to previous version from 1.22wmf4. https://gerrit.wikimedia.org/r/#/c/65658/ Reports on IRC confirm that mediawiki.org is okay now. Lowering priority to highest.
Related URL: https://gerrit.wikimedia.org/r/65708 (Gerrit Change I72f5c40739928244cd402c000b48af9911c5b0c7)