Accidentally uninstalled an important package in Debian Sid with KDE, transparency no longer working

buffy@lemmy.world to Linux@lemmy.ml – 118 points –

Hi everyone, I ran apt full-upgrade last month and accidentally deleted a couple packages that weren't supposed to be removed, due to me not paying enough attention. I could recover most of the system just fine, since most of the missing features and related packages were obvious to me. However, I still couldn't figure out why transparency is not working on KDE, both in Wayland and X. I suspected it could be a missing compositor, but libwayland and libqt6waylandcompositor6 (and related packages) are all installed (and that wouldn't explain why it isn't also working on X).

I have attached a screenshot to illustrate what I mean.

I would appreciate if anyone could help me figure out what package might be missing that is causing this issue. Thanks in advance!

EDIT: Thank you so much everyone! I finally solved my problem. I just had to replace libqt5quick5-gles by libqt5quick5 (non gles version).

Commandline: apt install libqt5quick5
Install: libqt5quick5:amd64 (5.15.10+dfsg-2+b2)
Remove: libqt5quick5-gles:amd64 (5.15.10+dfsg-2+b2)
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Yeah, I tried installing kde-full but it didn't solve my problem.

There is tasksel in debian to install DEs ig. Maybe try witj that, and also try reinstall instead of install

Tasksel seems to be correctly set,

~$ tasksel --list-tasks
i desktop       Debian desktop environment
u gnome-desktop GNOME
u xfce-desktop  Xfce
u gnome-flashback-desktop       GNOME Flashback
i kde-desktop   KDE Plasma
u cinnamon-desktop      Cinnamon
u mate-desktop  MATE
u lxde-desktop  LXDE
u lxqt-desktop  LXQt
u web-server    web server
u ssh-server    SSH server
i laptop        laptop

I tried apt reinstall kde-full, but unfortunately nothing changed.