Rated 5 out of 5 stars

I have Installed v5.6.12 but buy default it's not compatible with Firefox 6, So I installed "Nightly Tester Tools" add-on and enabled "Force Addon Compatibility" option.
I hope this help until arai updating this great addon for next Firefox versions ;)

This review is for a previous version of the add-on (5.6.9.1-signed).  This user has other reviews of this add-on.