Oh, and twice now it's randomly crashed on me when I try to do something after leaving her alone for a while. Twice out of many times, so it's not common, but does happen enough to not be a one-off.
I should add that I'm using KDE Plasma 5.27.10, on X11. I believe Wayland has problems with windows that want to move themselves around, so I'm not sure how well it'll work on more 'modern' desktop environments.