Mozilla made some changes to the algorithm used for Smooth Scrolling in Firefox 13. Much like the ‘Hardware Acceleration’ feature introduced a while back, some users are going to find that it does not work well on their machines. To turn off ‘Smooth Scrolling’ go to Firefox Button > Options > Advanced. Uncheck the box in the Browsing Section for Smooth Scrolling and click OK.
To be honest the latest version of Firefox sucks badly – certainly on a Mac.The scrolling lag is ridiculous also text box lag is unacceptable – after years of using it I’m not ditching it!!!
Hilarious piece of software
It does seem as if this was another looked great on paper concept (much like hardware acceleration and Tabs (sort of) on Top in Thunderbird). I am not using Firefox as much as I use to.
Thanks for the hint. On a Mac, of course, this dialog is accessed via Firefox | Preferences…