Many expected it and it is here. GNOME 3.16 has been released as stable and brings with it many visual improvements, which we can see in the following video:
If we want to try (without installing), they have uploaded an ISO image for USB drives based on OpenSuse, which will give us an idea of how the new version of this Desktop Environment works. And in the ArchLinux repositories the packages are already landing.
Right now I am testing it from the USB memory, so I will give my impressions later.