[kde] [Bug 444069] New: Tooltips' bottom borders have artifacts depending on the active app window

[David]

https://bugs.kde.org/show_bug.cgi?id=444069

            Bug ID: 444069
           Summary: Tooltips' bottom borders have artifacts depending on
                    the active app window
           Product: kde
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: david.cortes.rivera at gmail.com
  Target Milestone: ---

Created attachment 142644
  --> https://bugs.kde.org/attachment.cgi?id=142644&action=edit
bugged_borders

SUMMARY
If I have certain applications currently on focus such as VLC or chromium-based
web-browsers, tooltips will have artifacts around the bottom borders, despite
these bottom borders potentially not even touching the offending application's
visible window. If I switch the active app to a different one such as konsole
or evolution, these artifacts in the borders will disappear.

STEPS TO REPRODUCE
1. Disable blur or translucency or similar effects just in case.
2. Launch VLC or Vivaldi.
3. Hover the mouse over some systray icon and watch the bugged bottom borders
(top ones render fine).
4. Optionally, launch konsole or some other app (don't even close nor minimize
the app from step 2) so that it becomes the active window, and then repeat
point 3 and observe that all the borders render correctly.

OBSERVED RESULT
Bottom borders of tooltips have artifacts.

EXPECTED RESULT
Tooltips should not have artifacts.

SOFTWARE/OS VERSIONS
Operating System: Debian GNU/Linux
KDE Plasma Version: 5.23.0
KDE Frameworks Version: 5.86.0
Qt Version: 5.15.2
Kernel Version: 5.14.0-3-amd64 (64-bit)
Graphics Platform: X11
Processors: 16 × AMD Ryzen 7 2700 Eight-Core Processor
Memory: 15.5 GiB of RAM
Graphics Processor: AMD VEGA10

ADDITIONAL INFORMATION

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