If I have the box checked "Repaint thumbnail in real time for animations," it causes elements on certain pages to jitter. Such as, if I open a new tab, the upper left 4 pinned sites jitter while the other 8 do not.
Another example is the first two pictures on the website: http://www.vitalitymedical.com/mattress.html
If the box is unchecked then the issue does not appear. This has been occurring since the last few versions of Firefox.
Hiroshi-san,
If I have the box checked "Repaint thumbnail in real time for animations," it causes elements on certain pages to jitter. Such as, if I open a new tab, the upper left 4 pinned sites jitter while the other 8 do not. Another example is the first two pictures on the website: http://www.vitalitymedical.com/mattress.html
If the box is unchecked then the issue does not appear. This has been occurring since the last few versions of Firefox.