One of the best... now working on FF 18.0 Rated 5 out of 5 stars

This is an essential add on for FF for anyone. Dev release Tab Mix Plus - Version 0.4.0.4pre.121222b Installed Win 7 x64 on FF 18.0. Seems to be working fine for the newest release of FF as of today. Link: http://tmp.garyr.net/tab_mix_plus-dev-build.xpi

This review is for a previous version of the add-on (0.4.0.3.1.1-signed).