(on Mon, 2020-11-30 at 18:37 +0000, jtj wrote)
AKAIK, Fedora checks for updates at intervals to notify them
via dnfdragora. May be that.
(I replied to this hours ago, but I don't see my reply in the thread.
Trying again.)
A few years ago, with the help of members of this list, I turned off all
automatic updating and automatic checking for updates that we knew of.
I checked the process table in the ksysguard display. dnfdragora is not
listed.