SolusOS RC4 Has Mozilla Firefox 12

The developers have updated a lot of packages for this version
by Silviu Stahie, May 7th, 2012
Firefox 12 Testing a New Tab Page for a Limited Time

Firefox 12 Testing a New Tab Page for a Limited Time

by Lucian Parfeni, February 10th, 2012
Aurora builds will get the new tab page Mozilla has been working on lately
 

Here's What You Need to Know About the New Firefox 12 Aurora

Firefox 12 comes with smooth updates and scrolling
by Lucian Parfeni, February 4th, 2012