The code for this is in the builds for RHEL 8.1. It got delayed because the Candlpin/Portal/Satellite builds were not ready in time to verify the behavior.
It has been promised in RHEL 8.1 and needs to be fixed for usage against the aforementioned products.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2019:3372