SUMMARY When starting a flatpak program, only a generic icon is shown in the taskbar. It doesn't matter which window list applet I use. Flatpak programs I observed this behaviour with so far are: upnpcontrol libreoffice calibre Programs that do show their correct icon: Clementine bibletime boinc manager flatseal chromium freeplane gramps homebank inkscape kdenlive Operating System: KDE neon 5.22 KDE Plasma Version: 5.22.5 KDE Frameworks Version: 5.86.0 Qt Version: 5.15.3 Kernel Version: 5.11.0-37-generic (64-bit) Graphics Platform: Wayland Processors: 6 × AMD Ryzen 5 4500U with Radeon Graphics Memory: 15.0 GiB of RAM Graphics Processor: AMD RENOIR
Moving to plasma, it has nothing to do with Discover. It might well be it's a packaging issue but it needs a bit of research.
I tried a few of those on Fedora 34 and they all work for me.
Please enclose: - screenshot - confirm x or wayland - output of "xprop" and clicking on the app output of "env"
Created attachment 142231 [details] output ov env
it's wayland, so xprop doesn't work obviously... As far as I remember, the icons work under X, though.
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Hmm... libreoffice has the same problem even when installed from deb, so it probably has nothing to do with flatpak.
On Neon, I think it's expected for apps installed via CLI since those are no explicitly longer supported. Moving to Neon for further triage.
I can confirm this bug on Neon with LibreOffice. On Wayland, a generic icon appears in task manager (I use icon-only task manager and have pinned icons for LO writer and calc but as soon as I launch either apps an extra generic black libreoffice icon appears and the pinned icon don't become active). I have Libreoffice installed and updated via discover from the libreoffice stable ppa repository and not as Flatpack. So I agree that this has probably nothing to do with Flatpack. On X11 it works just fine.
(In reply to Nate Graham from comment #8) > On Neon, I think it's expected for apps installed via CLI since those are no > explicitly longer supported. Moving to Neon for further triage. Just read your comment so checked in Fedora 35 in a VM and I can reproduce this (at least on the live CD), so may not be neon specific. Also all drop down menus seem broken (including drop down menu in cells).
Sorry the unclarity of my previous comment. What I meant was I installed Fedora 35 KDE edition in a VM (QEMU-KVM), and the Libreoffice icons in the task manager do not work properly on wayland. When you launch any of the LibreOffice app, you get the generic black icon instead of say the icon of the specific app (writer, calc, etc.). (ignore what I said about drop down menu being broken, I'll file another bug)
Actually for LO at least the issue is reported here but apparently needs a fix in Qt and a fix in LO for it to be resolved. https://bugs.documentfoundation.org/show_bug.cgi?id=125934 Comment 15 of this post shows a workaround using window rules: By right clicking on the title bar > more actions there is the possibility to configure special window settings. I have added the option Window Title, which should partly be equal to "Libreoffice Writer", then I enforce that with another option that the desktop filename "libreoffice-writer" is used. I repeat this for the other applications and now I have separate icons on my wayland taskbar for each libreoffice app. Also it may be wider than Plasma / Qt since some issues on Gnome seem to be here too (might be a different problem though): https://ask.fedoraproject.org/t/broken-icon-for-libreoffice-writer-in-wayland/4987 Side track note: the issue mentioned about dropdown menu in Plasma wayland will be fixed in LO 7.3.3 which will make LO actually usable on wayland :) (I use many spreadsheet with dropdown cells): https://bugs.documentfoundation.org/show_bug.cgi?id=144585