joomla/joomla-cms — pull request #3430 by zero-24 (2014-04-11 17:39:38+00:00)
Title: Fix Message for SimplePie

According to the new strategy, it could only be removed with 4.0 (next major version).
http://developer.joomla.org/news/583-announcing-joomla-cms-3-4.html