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.
89ff9e4
Make "Patchx:"-tags unconditional, just keep "Source0:" conditional, because it's different for snapshots and releases. No version-bump or rebuild.