To reproduce: Add a RadGanttView, add a single column and subscribe to the TextViewCellFormatting event. You will notice that the event is not being fired.
To reproduce: Add Tasks which appear far after the start of the timeline. You will notice that some of them are not displayed at the right position.
Open QSF, go to GanttView, open the First Look demo, click a date time cell in, click anywhere else, exception occurs.