I can confirm that my workaround (removing indicator packages) does not work
anymore with Xubuntu 18.10. Even using "dbus-launch nm-applet" workaround does
not work anymore. You can easily reproduce the issue by having WiFi switched
off and when you switch it on, you will have to scroll to see
I'm using Xubuntu with the panel at the bottom of the screen and I have
fixed the scroll problem by removing xfce4-indicator-plugin and
indicator-application (I also removed all Unity indicator-* packages).
This way Xfce can directly use the notification area. Another solution
was to use