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.
50573b372a0df29b034cb96aa1c950ca catkin_pkg-fa4b136b16e2d2886ab97257684f6bff243edefb.tar.gz