These two fields allow to specify a different default assignee for ticket opened against this package in bugzilla. Note: The EPEL field is always displayed for packages in the 'rpms' namespace regardless of whether it is used in bugzilla or not.
xorg-x11-drv-ati-6_9_0-1_fc10:HEAD:xorg-x11-drv-ati-6.9.0-1.fc10.src.rpm:1218428001 xorg-x11-drv-ati-6_12_2-1_fc11:HEAD:xorg-x11-drv-ati-6.12.2-1.fc11.src.rpm:1239644931