Yes, it is the transitions of the tooltips, the circles that appear when you hover over a datapoint and the colour changes. All of these stutter sometimes, esp

Yes, it is the transitions of the tooltips, the circles that appear when you hover over a datapoint and the colour changes. All of these stutter sometimes, especially if you are moving your mouse to a point and happen to trigger a few other events on the way. Firefox 13.0, Kubuntu 10.04 Intel Xeon CPU X3450 @ 2.67GHz 4 core 16GB RAM