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.
ee53796
Pull in xzcat and lz4cat, used in test-compress lz4 and lz4-libs is split in F26+. Not sure about xz, but let's pull it in for safety.