Board Thread:Support Requests - Getting Technical/@comment-1038387-20150201134854/@comment-1038387-20150203185514

I used S:C for this, and just in case anyone cares:

It was because of an old preference (see that 2006 note above) that isn't on the current Special:Preferences anymore. "Restore all default settings" fixed things (though write down prefs and copy paste sig first).