KDE does have focus stealing prevention, Have you messed with that at all? https://docs.kde.org/stable5/en/kwin/kcontrol/windowbehaviour/index.html#focus-focusstealing The only thing I can think of is maybe some notification steals the focus and doesnt give it back to the window.

This is a good page to check out if you’re in the market for a new device https://github.com/melontini/bootloader-unlock-wall-of-shame

https://xkcd.com/1172/

We have a coffee machine that runs on linux.

The firefox reader mode button doesn’t show up for me on that site. I wonder if its just a poor site or if they are intentionally trying to break it.

Most games yes. Heavily modded skyrim, Maybe.

I’m not sure about others but none of my computers support PXE boot over wifi.