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.
7e4d2cc
This is now a Rust package, hence it only builds on %{rust_arches} No real difference for Fedora or modern RHEL, but the guidelines say so: https://docs.fedoraproject.org/en-US/packaging-guidelines/Rust/#_exclusivearch