We've description of hub callbacks, but not builder ones. It should be clear, how they can be used in builder plugins, where plugin is located, etc. (Mostly repeat info from general builder plugin)
PR #2345
Metadata Update from @tkopecek: - Custom field Size adjusted to None
Metadata Update from @tkopecek: - Issue tagged with: no_qe
Commit cfe70c21 fixes this issue
Commit db3170da fixes this issue
This issue has been migrated to Fedora Forge: https://forge.fedoraproject.org/koji/koji/issues/2091
Please continue any further discussion there.