Orphaned for: Do not use it anymore -- The loopdev-3 package is a drop-in replacement for this package and is maintained upstream. See also: https://src.fedoraproject.org/rpms/rust-loopdev-3.
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.