Ambiance, the default Ubuntu theme, is quite old. While Canonical had something new in the works for the now-cancelled Unity 8, the big shift to GNOME put a wrench in those plans.Now, similarly to the Suru icon theme, Ubuntu's new look may be based on work done for the cancelled Unity 8 and Ubuntu Phone projects, but this time led by the community, and based on the default GNOME theme, Adwaita.Compared to the old Ambiance theme, the new one ditches the gradients, and ups contrast levels – the good old brown is replaced almost entirely by very dark greys, giving the Linux distribution a brand new look.Still, despite its appearance, the "Communitheme" (what a name), as mentioned earlier, is based on the default GNOME Adwaita theme, since Canonical wants to stick as close as possible to the GNOME base, while maintaining Ubuntu's unique identity.This theme is still early in development, and as mentioned in the FAQ, will be released "when it's done", meaning that the next ...
