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.
04a9259
demote osinfo-db as libguestfs-tools-c suggest it is not used anymore by the library, but only by one of the tools in libguestfs-tools-c -- hence, demote it to suggest