Zonnev
Zonnev
The bug fix works well, on top two beautiful rounded corners in latest Nightly. 
Yes, the top window corners are rounded now but the bottom corners aren't made rounded yet. It seems eOS does not make the bottom corners round on non eOS apps....
Maybe it's already well known by Firefox users on eOS, but I just found out you can get rounded bottom corners by enabling `widget.gtk.rounded-bottom-corners.enabled` in `about:config` ;)