I have a problem with WebView, it can't display charts with Dygraph: http://dygraphs.com/gallery/#g/annotations Lines are not visible: http://piccy.info/view3/6591894/dfeafc2dc2af39ed0760afcb9d508546/ The same page loaded in QtWeb browser (also based on Webkit): http://piccy.info/view3/6591897/6216c3ba4fd54e3c908ecc0380c323bd/