Scroll on any page, for example the bugzilla bug reporting page. Scrolling is very sluggish. Profile: http://people.mozilla.org/~bgirard/cleopatra/#report=2cc2855ad0a2a25ff2c5113c0d2b8f7b58372fb6&selection=0,1,2,3,4,5,6,7,8,9,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,189
Unable to reproduce this issue using 2015-02-05 Nightly on Mac OS X 10.9.5, therefore I cannot validate the fix for this bug and for bug 1129818. Markus, as you've encountered these issues, could you please confirm that they are indeed fixed now?
Sure, yes, it's definitely fixed.