The firefox36-3.6-0.1.beta1 package install this new version besides the version 3.5. So you will have 2 entries in the Internet menu.

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

Start by reading :

As always :

yum --enablerepo=remi install firefox36

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

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

I start to test the new features and I expect yours feedbacks.

A first SunSpider JavaScript Benchmark reveal a 20% performance improvment in 64bits.

Mozilla/5.0 (X11; U; Linux x86_64; fr; rv:1.9.2b1) Gecko/20091106 Remi/fc12 Firefox/3.6b1
Total:                 2397.0ms +/- 3.0%
Mozilla/5.0 (X11; U; Linux x86_64; fr; rv: Gecko/20091105 Remi/fc12 Firefox/3.5.5
Total:                 3031.2ms +/- 1.5%