[kde] [Bug 508591] New: Chrome rendering issues

[Izaak Kuipers]

https://bugs.kde.org/show_bug.cgi?id=508591

            Bug ID: 508591
           Summary: Chrome rendering issues
    Classification: I don't know
           Product: kde
      Version First unspecified
       Reported In:
          Platform: Flatpak
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: izaak.kuipers at gmail.com
  Target Milestone: ---

SUMMARY
After running a routine system update, Chrome has started showing unbearable
rendering and performance issues. The video in the attachment is a
demonstration what I mean. Sometimes the browser is fine, but most of the time
I can't even use it, which is quite the deal breaker as a full-time web
developer.

I've already run through my extensions, even going as far as to wipe my Chrome
configuration, hoping to resolve the problem that way. Whatever I do, I can't
get it to go away. It's worth nothing though that I have not been able to
reproduce this bug in the `chromium` RPM package, nor Microsoft Edge.

I tried googling this bug to try to find a solution myself, as I usually do,
but I can't seem to find anyone else who has encountered this same problem. I'm
also not aware if this is even the right place to post a bug like this, but I
feel that you all might be able to at least point me in the right direction,
perhaps even proposing some fixes. Any help is greatly appreciated.

STEPS TO REPRODUCE
It's hard for me to formulate an exact plan to reproduce the bug, it just
happened out of nowhere. Watch the video in the attachments to understand what
the bug is about, maybe it's familiar to one of you.

OBSERVED RESULT
An intermittently broken Chrome renderer, resulting in a rather unpleasant and
unbearable experience.

EXPECTED RESULT
Proper functionality of Google Chrome, high performance as was present before,
without any rendering issues

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Fedora Linux 42 (WAYLAND)
KDE Plasma Version: 6.4.4
KDE Frameworks Version: 6.17.0
Qt Version: 6.9.1
Kernel: 6.14.11-300.fc42.x86_64 (tried older and newer kernels, no change)
Chrome Version 139.0.7258.127 (Official Build) (64-bit)

HARDWARE
AMD Ryzen 7 2700X
AMD Radeon RX 590 Series
MSI B350M motherboard

ADDITIONAL INFORMATION
Google Chrome was first installed using the RPM package google-chrome-stable,
then reinstalled as a flatpak as a troubleshooting measure. This switch did not
resolve the problem. A switch to Xorg has not been attempted, and I won't
either, Chrome worked fine on Wayland before I updated my system, it has to
work fine again on Wayland.

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