[kde] [Bug 502564] New: Copy-pasting between applications that use different graphics toolkits (GTK/Qt, etc.) or protocols (X11/Wayland) sometimes results in the clipboard being split into multiple "clipboards".

[andrew]

https://bugs.kde.org/show_bug.cgi?id=502564

            Bug ID: 502564
           Summary: Copy-pasting between applications that use different
                    graphics toolkits (GTK/Qt, etc.) or protocols
                    (X11/Wayland) sometimes results in the clipboard being
                    split into multiple "clipboards".
    Classification: I don't know
           Product: kde
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: fandrew at protonmail.com
  Target Milestone: ---

SUMMARY
It seems that every now and then, when copying and pasting between applications
that use different graphical toolkits (GTK, Qt, etc.) and/or protocols
(X11/Wayland), the copied text can only be pasted into other apps "made the
same way." So, for example, if I copy from a GTK/X11 app and paste into another
GTK/X11 app, it works fine. But if I copy from a GTK/X11 app and paste into a
Qt/Wayland app, the pasted text isn't the most recent one, but the previous
one.

STEPS TO REPRODUCE
1. copy text "AAAAA" from dolphin 
2. paste in kate, (it paste "AAAAA")
3.  copy text "BBBBB" from lutris
4. paste in vscode, (it paste "BBBBB")
5. paste in kate, (it paste "AAAAA" instead of "BBBBB")

SOFTWARE/OS VERSIONS
Operating System: Arch Linux 
KDE Plasma Version: 6.3.4
KDE Frameworks Version: 6.12.0
Qt Version: 6.8.3
Kernel Version: 6.12.21-1-lts (64-bit)
Graphics Platform: Wayland
Processors: 20 × Intel® Core™ i5-14600K
Memory: 31.1 GiB of RAM
Graphics Processor: AMD Radeon RX 550 / 550 Series

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