CentOS 7 1511 Updates To GNOME 3.14, KDE 4.14
CentOS 7 1511 updates the GNOME desktop from GNOME 3.18 to v3.14, similar to the upstream RHEL 7.2 changes. There is also KDE 4.14 to replace KDE 4.3, and the X.Org Server moved from v1.15 to v1.17. Other CentOS 7 1511 changes include improvements to sudo, updates to various storage drivers, networking stack updates, and a whole assortment of other improvements.
More details on CentOS 7 1511 can be found via the release notes.