Ubuntu GNOME 15.10 is the latest release of linux distribution based on ubuntu 15.10 featuring with the newest GNOME 3.16.x. it now ready to download and install. Using GNOME Shell 3.16 as main desktop environment, developer also include most of the GNOME 3.16 applications, they also shown GNOME Getting Started Guide at first login.
Other changes and features that include in Ubuntu GNOME 15.10 we can mention. shotwell has been replaced with GNOME Photos, and GNOME Music installed by default. Then, the Bluetooth stack (BlueZ 5) has been updated, introduce the new Ubiquity Slide Show, support has been added to use syncevolution with GNOME Online Accounts (GOA), the Adwaita Dark Theme should now work for Ubuntu Software Center, and a new experimental Wayland session is now available and can be selected from the login menu (it needs OSS GPU drivers.
More information about Ubuntu GNOME 15.10 you can refert to : Ubuntu GNOME 15.10 release and announcement