All about Fedora Linux
Are you using your users password or the root accounts password? This wants the root accounts password. What groups are you apart of?
I haven't set up a root user on this installation; I'm in the wheel group
Considering the software specifically asked for root I think you'll either need to make a root account or find newer software.
You need to get into PAM then and change the configuration. This is asking to become root NOT escalate privileges via sudo or similar so being in wheel does not matter.
Actually 2 seconds of looking at the GitHub page will show you how to configure your application to not ask for root.
Dafuk is that tool. Normally you want to use polkit > sudo > su. You dont need a root account and VanillaOS doesnt even need sudo anymore.
This seems like extremely outdated software.
It's a Plasma widget that uses EnvyControl to switch between GPUs on systems that have both an nvidia and AMD GPU. It works fine using the command line, but this widget runs into this issue
You might want to fork it, replace kdesu with pkexec and see how that goes.
And, how did it go? I see they already use pkexec