Download and Install GNOME 3.16 on Ubuntu 14.10/14.04 Systems. GNOME 3.16, the latest version of GNOME 3 includes 33,525 changes by 1043 authors.
GNOME 3.16 brings a brand new notification system and updated calendar design, which helps you to easily keep track of what’s happened, and includes useful information like world times and event reminders. Other features include overlaid scrollbars, updated visuals, improved content views in Files, and a redesigned image viewer.
Major additions have also been made to the GNOME developer experience: GTK+ support for OpenGL now allows GTK+ apps to support 3D natively, a new GLib reference counting feature will help with debugging, and GTK+ Inspector has also had a major update.
Downloading and Installing GNOME 3.16 on Ubuntu
But if you don’t want to wait, you can download GNOME 3.16 live image directly from the GNOME website.
sudo add-apt-repository ppa:gnome3-team/gnome3-staging
sudo add-apt-repository ppa:gnome3-team/gnome3
sudo apt-get update
sudo apt-get dist-upgrade