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.
bullet-2_74-1_fc11:F-10:bullet-2.74-1.fc11.src.rpm:1246140695 bullet-2_75-1_fc11:F-10:bullet-2.75-1.fc11.src.rpm:1254588037