Rated 5 out of 5 stars
I'm using this on Fedora 25, Gnome 3, and Firefox Developer Edition on the Aurora channel; so I'm running the newest of just about everything. This add-on works great, and does exactly what it's supposed to do. It also has an option to hide the title "always" (Rather than just when it is maximized) which is super great for me, as I always have my screen split in half with text editor and terminal on one half, and Firefox on the other. I hope someone takes this project on to keep it running (or merges it into core), as I can't stand the huge title bar!