Tonight's update has a conflict between gnome-icon-theme and gnome-icon-theme-extras.
Transaction Check Error:
file /usr/share/icons/gnome/16x16/devices/drive-harddisk-ieee1394.png conflicts between attempted installs of gnome-icon-theme-extras-2.30.1-1.fc13.noarch and gnome-icon-theme-2.30.1-2.fc13.noarch
file /usr/share/icons/gnome/16x16/devices/drive-harddisk-usb.png conflicts between attempted installs of gnome-icon-theme-extras-2.30.1-1.fc13.noarch and gnome-icon-theme-2.30.1-2.fc13.noarch
file /usr/share/icons/gnome/16x16/devices/media-optical-bd.png conflicts between attempted installs of gnome-icon-theme-extras-2.30.1-1.fc13.noarch and gnome-icon-theme-2.30.1-2.fc13.noarch
file /usr/share/icons/gnome/16x16/devices/media-optical-dvd.png conflicts between attempted installs of gnome-icon-theme-extras-2.30.1-1.fc13.noarch and gnome-icon-theme-2.30.1-2.fc13.noarch
file /usr/share/icons/gnome/22x22/devices/drive-harddisk-ieee1394.png conflicts between attempted installs of gnome-icon-theme-extras-2.30.1-1.fc13.noarch and gnome-icon-theme-2.30.1-2.fc13.noarch
file /usr/share/icons/gnome/22x22/devices/drive-harddisk-usb.png conflicts between attempted installs of gnome-icon-theme-extras-2.30.1-1.fc13.noarch and gnome-icon-theme-2.30.1-2.fc13.noarch
file /usr/share/icons/gnome/22x22/devices/media-optical-bd.png conflicts between attempted installs of gnome-icon-theme-extras-2.30.1-1.fc13.noarch and gnome-icon-theme-2.30.1-2.fc13.noarch
file /usr/share/icons/gnome/22x22/devices/media-optical-dvd.png conflicts between attempted installs of gnome-icon-theme-extras-2.30.1-1.fc13.noarch and gnome-icon-theme-2.30.1-2.fc13.noarch
file /usr/share/icons/gnome/48x48/devices/drive-harddisk-ieee1394.png conflicts between attempted installs of gnome-icon-theme-extras-2.30.1-1.fc13.noarch and gnome-icon-theme-2.30.1-2.fc13.noarch
file /usr/share/icons/gnome/48x48/devices/drive-harddisk-usb.png conflicts between attempted installs of gnome-icon-theme-extras-2.30.1-1.fc13.noarch and gnome-icon-theme-2.30.1-2.fc13.noarch
file /usr/share/icons/gnome/48x48/devices/media-optical-bd.png conflicts between attempted installs of gnome-icon-theme-extras-2.30.1-1.fc13.noarch and gnome-icon-theme-2.30.1-2.fc13.noarch
file /usr/share/icons/gnome/48x48/devices/media-optical-dvd.png conflicts between attempted installs of gnome-icon-theme-extras-2.30.1-1.fc13.noarch and gnome-icon-theme-2.30.1-2.fc13.noarch
Removing gnome-icon-theme-extras would also remove rhythmbox so I excluded both from the update.
Filed bugzilla:
https://bugzilla.redhat.com/show_bug.cgi?id=584617