Rated 3 out of 5 stars

Από τον/την XoRRoX στις Αύγ. 31, 2009 · μόνιμος σύνδεσμος

I think the reason that's it's not updated because Firefox now has this functionality build-in.

Ctrl+Drag a tab or press Alt+Enter in the addressbar to duplicate the tab.

Cheers.