Are you using x11 or Wayland? Is anyone running Wayland with NVIDIA drivers? Everything works well in x11, but I’m getting bad flicker in Wayland. When trying to track it down I was led down a rabbit hole suggesting there is some protocol mismatch between what the NVIDIA drivers implement and what Wayland expects.

After having a lot of sysvinit experience, the transition to setting up my own systemd services has been brutal. What finally clicked for me was that I had this habit of building mini-services based on shellscripts; and systemd goes out of its way to deliberately break those: it wants a single stable process to monitor; and if it sniffs out that you are doing some sketchy things that forks in ways it disapproves of, it is going to shut the whole thing down.