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.
535fe80
https://github.com/tatsuhiro-t/aria2/blob/6af3cd82b36190b12102bf3fbc5c07cc494627ad/NEWS