STEPS TO REPRODUCE 1. install KDE on multimonitor system (in my case primary right, FullHD, secondary left, QHD) 2. Disconnect the secondary screen. All windows will be moved to the primary screen. So far, so good. 3. Reconnect the secondary screen. OBSERVED RESULT Windows will sometimes be moved halfway (!) to the secondary screen so they are split between screens Windows will always be resized to their minimum possible width (e.g. Dolphin, Konsole, etc). See screenshot. EXPECTED RESULT Windows should be either not moved at all, or (ideally - and this was the case until ~6 months ago) put back to their original position with the dualscreen config. This requires that kwin remembers the window position of each window when the screen config changes, until it is resized or moved, and restores it when a previous screen config is being restored. SOFTWARE/OS VERSIONS: KDE Neon with Frameworks 5.25.5 and all updates applied.
This should be substantially improved or fixed in Plasma 5.26. Can you install the beta version (which was just released today) and see if it's better now? Thanks!
Are there KDE Neon packages for 5.26beta? Then it would be no problem to test ...
Neon Testing should be getting the 5.26 beta soon.
Hi, I now have these packages and the problem seems to have been fixed already: ii kwin-addons 4:5.25.5-0xneon+20.04+focal+release+build58 amd64 additional desktop and window switchers for KWin ii kwin-common 4:5.25.5-0xneon+20.04+focal+release+build77 amd64 KDE window manager, common files ii kwin-data 4:5.25.5-0xneon+20.04+focal+release+build77 all KDE window manager data files ii kwin-style-breeze 4:5.25.5-0xneon+20.04+focal+release+build61 amd64 KWin Breeze Style ii kwin-wayland 4:5.25.5-0xneon+20.04+focal+release+build77 amd64 KDE window manager, wayland version, PREVIEW release ii kwin-wayland-backend-drm 4:5.25.5-0xneon+20.04+focal+release+build77 amd64 KDE window manager drm plugin ii kwin-x11 4:5.25.5-0xneon+20.04+focal+release+build77 amd64 KDE window manager, X11 version ii libkwineffects13 4:5.25.5-0xneon+20.04+focal+release+build77 amd64 KDE window manager effects library ii libkwinglutils13 4:5.25.5-0xneon+20.04+focal+release+build77 amd64 KDE window manager gl utils library ii libkwinxrenderutils13 4:5.25.5-0xneon+20.04+focal+release+build77 amd64 KDE window manager render utils library I'll also check 5.26 when it appears and then close this bug if the problem is confirmed to be fixed. Thanks!!
Great, thanks!
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Hello, with the current installed packages the bug is unfortunately not fixed yet. The issue seems to appear less frequently but it still appears when changing the monitor configuration.
This should be fixed in Plasma 5.27 now. I can't reproduce it there or in the upcoming Plasma 6.