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.
Maven-reporting-api is an API to manage report generation. Maven-reporting-api is included in the Maven 2.x core distribution, but was moved to shared components to achieve report decoupling from the Maven 3 core.