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.
d777204
Upstream released new version: http://packages.debian.org/changelogs/pool/main/d/debmirror/current/changelog#versionversion1:2.7