User blog comment:Rappy 4187/Technical Update: October 28, 2014/@comment-13301-20141029194429/@comment-24253265-20141030081658

Presumably related: RSS for feed-URL  also fails (hangs on Loading RSS data...). Copying  from  to  followed by a purge does not help.

Updated 12h later, @User:Kirkburn, works for me (after a purge), also the RSS, thanks.