I can confirm that this is a problem with a X-11 session of KDE Plasma 5. Interestingly this bug doesn't appear when using a wayland session, so this is a workaround for linux. This may also be the reason why gnome isn't affected, because it uses wayland instead of X-11 by default.
Linus Dierheimer
I can confirm that this is a problem with a X-11 session of KDE Plasma 5. Interestingly this bug doesn't appear when using a wayland session, so this is a workaround for linux. This may also be the reason why gnome isn't affected, because it uses wayland instead of X-11 by default.