Install gajim-appindicatorintegration by entering the following commands in the terminal:
sudo apt update sudo apt install gajim-appindicatorintegration
Description:
integrates Gajim with the appindicator
This Gajim plugin makes the status icon work on KDE.
Homepage: https://dev.gajim.org/gajim/gajim-plugins/wikis/AntiSpamPlugin
Version: 1.0.1-1
Section: universe/net