The driver manager simply installs the nvidia driver/meta package for the compatible selected driver. If prime should be a dependency of that, then is really an issue with that package.
** Package changed: kubuntu-driver-manager (Ubuntu) => nvidia-graphics- drivers-340 (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1801103 Title: Kubuntu driver manager fails to install nvidia-prime on hybrid systems and that makes system unusable for unexperienced users To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-340/+bug/1801103/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs