Setup Info Rated 5 out of 5 stars

I found out why. About:config is missing this line. Set it to false
extensions.checkCompatibility.17.0

Then install whatever you want.

This review is for a previous version of the add-on (3.3). 

Setup help Rated 3 out of 5 stars

Can anyone explain how to get this to work? I can't get tab mix plus to install after installing this.

https://addons.mozilla.org/en-us/firefox/addon/tab-mix-plus/

This review is for a previous version of the add-on (3.3).