Australis is landing in Firefox Nightly
So nitpickers might point out differences but you cannot deny that the basic tab looks just like Chrome's. When Chrome came out with this it was new and innovative. Now it looks like a copy.When this blatant copying happens (and it happens in many places; it's no wonder all phones look like a variation of the original iphone) I always wonder if the designers really did convince themselves that their design is different or they tried but just couldn't come up with anything better than their inspiration.