I get this on my focal desktop too (Ubuntu not Kubuntu).
It's probably not a Plymouth bug though -- Plymouth needs some other process to tell it what message to display. So we need to find what that other process is after installation.
I get this on my focal desktop too (Ubuntu not Kubuntu).
It's probably not a Plymouth bug though -- Plymouth needs some other process to tell it what message to display. So we need to find what that other process is after installation.