Fedora 22 Alpha has been released by Fedora Project, it now available to download and install for test drive. The Alpha version of Fedora 22 GNOME edition comes with many enhancements from the GNOME 3.16 Beta desktop environment, such as the revamped GNOME Shell theme, GNOME 3.16’s brand-new notification system that is integrated beside calendar applet, Nautilus improvements, and many other goodies.
More details – Fedora 22 Alpha Gnome Edition : Video Overview and Screenshot Tours