To read: Mozilla Firefox Release Notes

Installation :
yum --enablerepo=remi update firefox

Notice : this RPM is very close of Firefox 25 one from Fedora 20.

This package needs xulrunner-last which install beside default one.

For Enterprise Linux 6, the build use python27 (Red Hat Software Collections 1) and devtoolset-2 for gcc 4.8.1 (Red Hat Developer Toolset 2) . (only for build, unneeded at run time).

RPM are available for Fedora 14, 15 (x86_64), 16 et 17 and, for Enterprise Linux 6.