I can consistently reproduce the issue by doing the following:Open multiple tabs. With Firefox in fullscreen, switch focus to a different program. Switch focus back to Firefox by clicking on the currently active tab and attempting to drag it. The dra...
Similar issue for me. After a few minutes, address bar and forward/back buttons become unclickable. Tabs are clickable, but undraggable, so I can't do the dragging fix; basically everything else between the bookmarks bar and the top of the screen is ...
