KDE Desktop Environment as a part of the yum group 'KDE Desktop' underwent a redesign in its user interface as well as underlying technologies in CentOS 7. The users of the desktop environment need to be educated about these changes before the upgrade.
The following packages from yum group 'KDE Desktop' that provides KDE Desktop Environment were detected to be installed in your system: kde-settings-pulseaudio kdeaccessibility kdeartwork-screensavers kdebase kdebase-workspace kdelibs xsettings-kde k3b kcoloredit kdeadmin kdegames kdegraphics kdemultimedia kdenetwork kdepim kdepim-runtime kdeplasma-addons kdeutils kdm kiconedit kipi-plugins kmid konq-plugins ksig ksshaskpass pinentry-qt