Noté 5 sur 5 étoiles

par Utilisateur ou utilisatrice 2ae55a de Firefox le déc. 18, 2016 · lien permanent

Works on Firefox Developer Edition 52.0a2 and Gnome 3.22.2...
Also there is a setting to hide the title bar even when the window is not maximized.Double-clicking does not minimize/maximize though.....for those of you who were wondering.:-P
Thanks for this awesome Add-on!