Rated 4 out of 5 stars

Very good. Allows convenient hotkeys like e.g. Alt+`.
But: using FF8, does NOT close to tray.
Minimizes to tray on hotkey, but if closed, FF just closes.
Please fix it! Otherwise it's a great extension!

This review is for a previous version of the add-on (0.3.4.9.1-signed).