The issue is no longer present as of firefox 49 shipped by ubuntu. (Using firefox-mozilla-build, the issue was resolved as of version 46.) No graphics updates whatsoever from 14.04 (xserver-xorg-video-intel 2:2.99.910-0ubuntu1) should be necessary.
The issue is no longer present as of firefox 49 shipped by ubuntu. (Using firefox- mozilla- build, the issue was resolved as of version 46.) No graphics updates whatsoever from 14.04 (xserver- xorg-video- intel 2:2.99. 910-0ubuntu1) should be necessary.