The firefox-3.6-0.3.beta3 replace the version 3.5.

 

WARNING : a backup of your profile (.mozilla/firefox directory) seems mandatory.

Start by reading :

As always :

yum --enablerepo=remi update firefox

No xulrunner update, this RPM provides his bundled Gecko engine.

Actually the some extensions are not compatibles and will be disabled.

For now, RPM are available for Fedora ≥ 9 (others will come soon)