Addendum: I forgot to mention that this issue persists relogging and even 
restarting the machine post-reconfiguration.
________________________________
From: Mateus Oliveira <[email protected]>
Sent: Saturday, February 28, 2026 9:44 AM
To: [email protected] <[email protected]>
Subject: KDE unable to update desktop entries and no icons for new applications

Hello help-guix,

I just finished my first installation of GNU Guix and am currently
experimenting with my setup, learning the ins and outs and such. However
I am having some issues with KDE, which I picked in the guided installer
to be my DE for the time being. It has become completely unable to show
new application entries, with any new applications I install, be they
added to my config.scm, my home configuration, or with `guix install'.
Only a few apps are listed, that I think I added before I started
experimenting with guix home.

This wouldn't be that much of an issue as I plan to move from KDE to
Niri or Sway later, which I'm more familiar with. That said, I have
noticed that application launchers such as Fuzzel are able to show all
the desktop entries in XDG_DATA_DIRS properly, but are unable to show
icons for them. KDE is also unable to show icons for them in the task bar.

What could be causing this? This is my first time using a mailing list
too, so if I need to provide anything more, I can.

Mateus

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