What exactly is the problem?
When you launch LO writer for example from the panel, it launches with a generic LO grey icon rather than the blue writer one. If you then launch calc for example it becomes a second document under the grey icon. It works as you would expect in X11
This from LO Libreoffice 6 with wayland - English - Ask LibreOffice 5 years ago!
And Fedora forum 3 years ago Broken icon for Libreoffice writer in Wayland - Fedora Discussion
That bugged me too - I fixed it pretty quickly on my machine using a Window Manager override by right-clicking the title bar, choosing More Actions > Configure Special Application Settings, then setting it up like this:
(And the equivalent for other LibreOffice modules when you use them)
Hope that helps,
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It does - thank you. There is still some odd behaviour - the grey icon appears for all briefly and then, with writer only, it opens a second icon of itself (too briefly to screenshot) but I will live with that!! Writer also takes a while longer to start than the other apps for some reason. I can’t see any difference in the desktop files.
Maybe one day someone will come up with a proper fix…
Ah, that. Unfortunately it is indeed a LibreOffice bug. We could work around it in the the Task Manager, but I think we would prefer not to if possible.
And of course, I’d hardly call this a showstopper. 
Barely even a papercut, really.
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Thanks Nate - LO seem to be in denial about it. Anyhow, as you say, a papercut thanks to the workaround by @johnandmegh
I think this is a related bug report, linked from the Plasma Wayland page?
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FWIW I cannot reproduce the bug in Plasma 6 (but can in Plasma 5) with the LO GTK backend.
That and the linked bug report suggests that it was/is broken on both sides
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From the perspective of users, it doesn’t matter if Plasma desktop is running on Qt5 or Qt6, or even using other desktops like GNOME, MATE… or even running Windows or Mac, the only important thing is the ability to properly run their apps.
The moment any known app breaks or becomes unsupported because of any change in the running desktop, then it becomes a real problem, and the immediate reaction would be to jump to another desktop option.
So, for users who depend on Linux apps for their daily work like writers, digital artists, devs, compositors,…, the true real showstopper is the trust to perfectly run their X11 apps on Wayland.
But GNOME already fixed it for their users ?
@medin The app runs fine. What we’re discussing here is a minor visual glitch that goes away on its own in 2 seconds.
@nicolasfella For me it happens in Plasma 6 with both LO’s GTK and KF5 backends.