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.
0507976
Update to 2.21.0 Release notes: https://www.kernel.org/pub/software/scm/git/docs/RelNotes/2.21.0.txt