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.
0e4cf10
https://github.com/tatsuhiro-t/aria2/blob/8d8fb31a45f66a29c78911293a60a00ac4903795/NEWS