https://bugs.kde.org/show_bug.cgi?id=483612

            Bug ID: 483612
           Summary: Bottom line and right row are bright like stuck pixels
                    after logging in KDE 6
    Classification: KDE Neon
           Product: neon
           Version: unspecified
          Platform: Neon
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: Live/Install images
          Assignee: neon-b...@kde.org
          Reporter: jmb_...@gmx.net
                CC: j...@jriddell.org, neon-b...@kde.org, sit...@kde.org
  Target Milestone: ---

SUMMARY
***
Bottom and right rim bright / stuck pixels when logging in on KDE neon 6.0.0|2
(i.e. bright line at bottom, bright column at the right -
 all being stuck pixels - i.e. coulourful) - see screen shot:
https://jmb-edu.de/images/screenshot_of_KDE_neon_6_0_2_wayland_with_ill_bottom_and_right_rims_of_stuck_pixels.gif
[It is 6734 kB, so larger than allowed attachment - but via Browser no problem
...]

It was not existing with other OS - older KDE up to at least 5.27.10 - but
emerged with update to KDE 6.0.0 (1st time Wayland - so could be kwin ???
related) on installation of KDE neon [based on Ubuntu 22.04 LTS].

The login screen does not show this pattern but directly after loging in,
this pattern is present.
***

STEPS TO REPRODUCE
1. Using KDE neon updated to KDE 6 
2. Logging in
3. bright rims are visible (at least on my HW, see below)

OBSERVED RESULT
bright rims to the right and bottom

EXPECTED RESULT
normal display

SOFTWARE/OS VERSIONS
KDE neon (User edition) with complete update, i.e. current.

ADDITIONAL INFORMATION
CPU: AMD Ryzen 5 3600
GPU: AMD Radeon RX 5700 XT
Motherboard: ASUS ROG Strix X570-E Gaming
Screen: BenQ EW3270U 4k screen
=> This is common HW and the best supported HW under Linux (gaming versions
     are chosen for better compatibility - like motherboard).

I am a former Unix specialist - so if you need futher details,
just ask with some explanation what to do / send to you
for clarification.
E-Mail:  jmb_...@gmx.net

Thanks for your good job!

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