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.
421c517
Use make macros (https://src.fedoraproject.org/rpms/usb_modeswitch/pull-request/1) https://fedoraproject.org/wiki/Changes/UseMakeBuildInstallMacro