X11Embed is broken in qt47 betas. considering this a blocker, and documenting it here. See upstream bug, http://bugreports.qt.nokia.com/browse/QTBUG-10809 Side effects include: 1. classic systray icons 2. browser plugins do not function properly.
This bug appears to have been reported against 'rawhide' during the Fedora 14 development cycle. Changing version to '14'. More information and reason for this action is here: http://fedoraproject.org/wiki/BugZappers/HouseKeeping
This is fixed in qt-4.7.0-beta2