As always, Fedora continues to develop (RedHat contributions) and integrate the latest free and open source software (Fedora 15 Features). The following sections provide a brief overview of major changes from the last release of Fedora.
The following are major features for Fedora 15:

GNOME 3 including the new GNOME 3 shell
KDE 4.6 with the improved Plasma workspace, enhanced core applications, and greater memory efficiency.
XFCE 4.8 with a new panel, Thunar enhancements and more.
Virtualization improvements including Spice support in virt-manager and support for Xen hosts.
Better compression of live images allowing more applications to be provided on a CD.
System and session management via systemd, providing more consistent configuration and improved boot performance.