Rated 3 out of 5 stars

Nice - works as advertised for hiding windows quickly; but I was aggravated that the restored session was always different - sometimes opening two or more windows with the exact same tabs - frustrating. Other times, tabs would be dropped altogether.

Also, it would help if the toolbar button had a hover tip, so that I could identify it more readily.

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