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.
rubygem-activerecord-2_2_2-1_fc10:HEAD:rubygem-activerecord-2.2.2-1.fc10.src.rpm:1227532664 rubygem-activerecord-2_3_2-1_fc10:HEAD:rubygem-activerecord-2.3.2-1.fc10.src.rpm:1237202080