Dart clients running QT 4.6.2 have a complier error:
QmitkDnDFrameWidget.cpp(46) : error C2039: 'reserve' : is not a member of 'QStringList'
see:
http://cdash.mitk.org/viewBuildError.php?buildid=103442
'reserve' was added as a member to 'QStringList' with QT 4.7...