+++ This bug was initially created as a clone of Bug #1098266 +++ Nightly 2014-11-12 Open URL and press right-arrow to go to the next element ("Have you noticed it's in 3D*?") The text is animating, and for short time after animation stopped, the text is unchanged, and then it changes the way it's rendered. Especially note the asterisk behind "3D". Regression-range: m-c: Last good revision: 80499f04e875 (2012-09-19) First bad revision: 1e56d3016820 (2012-09-20) Pushlog: http://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=80499f04e875&tochange=1e56d3016820 Maybe Bug 774169 - Strange zooming behavior has appeared in Bing Maps or Bug 777194 - over invalidation when scrolling ?

Or visit http://bartaz.github.io/impress.js/#/its-in-3d and press right arrow to go to the overview. you can see the big chunk of text in the middle switch between two text-renderings. Changing the size of the window when the overview is shown works, too. Last good revision: cd4853b0b94a (2012-02-26) First bad revision: d1b2fd680235 (2012-02-27) Pushlog: http://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=cd4853b0b94a&tochange=d1b2fd680235 Maybe 7dcff354aeae Aryeh Gregor — Bug 724614 - 3D scaling makes text blurry. r=mattw Attached video created with Nightly 2014-07-20 because of 1098266.

Oops, marked a wrong bug number, sorry...