Solution -- Found it: The problem was a setting the System Settings -> Workspace Behavior -> Desktop Effects -> and then under Accessibility, the Zoom option. Unselect the Zoom option and it cured my problem.
Thanks Greg! -- Jun 6, 2025, 08:09 by [email protected]: > On 2025-06-03, [email protected] <[email protected]> wrote: > >> >> I'm running KDE/Wayland (does the same with Xorg too) on Bookw >> orm/stable and while using the system all of a sudden the screen >> became "larger" than the actual screen -- like I was using some sort >> of "virtual desktop." >> > > System Settings → Display and Monitor → Display Configuration ? > > System Settings → Accessibility → Zoom ? > > kwin_wayland --replace & disown ? > > >

