I see results same as reported here. This should keep users from messing up their system.
I still say for best maintenance of ones system use a terminal (like Konsole). All package management gui’s are limited, and they all lead to a tendency for users to ignore warning or error dialogs leading to borked systems.
How To use dnf (any version of OMLx)
One should be able to learn this in about 10 minutes. Even if you don’t learn all of it just knowing the resource is there should be helpful, refer to if you need to.