As far as I can see, update-notifier-kde gets its upgrade infos from the apt_check.py script, from the update-notifier-common package. It would seem that this functionality would have to be implemented there.
As far as I can see, update-notifier-kde gets its upgrade infos from the apt_check.py script, from the update- notifier- common package. It would seem that this functionality would have to be implemented there.