You’ll need to restart X (press Control-Alt-Backspace after saving any unfinished work) for this to take effect. I’ve done this on both desktop and laptop machines. It’s fixed the Firefox 3.1 display issues, and I’ve noticed no side effects. If you experience side effects or wish to undo this change for some other reason:
sudo mkdir /etc/fonts/conf.disabled
sudo mv /etc/fonts/conf.d/10-* /etc/fonts/conf.disabled
sudo mv /etc/fonts/conf.d/53-* /etc/fonts/conf.disabled
As for Firefox 3.1 itself: Firefox 3.0 is great, but has always felt sluggish on my Linux boxes any time I’ve had more than two or three tabs open. (Yes, I have tried the various
sudo mv /etc/fonts/conf.disabled/* /etc/fonts/conf.d
about:configvoodoos you can find via Google; they have not helped.) With Firefox 3.1, I am experiencing dreamlike performance gains. The browser responds adroitly even with a couple dozen tabs open. The functional improvements in 3.1 strike me as minimal so far. What I’m noticing is the speed.
© 2012 Matthew Newton, published under a Creative Commons License.