RFC7986 has introduced the CONFERENCE property into the iCal standard - this is a URI with a link to a conferencing system (be it a phone number or (video)conference website or software).
The task is to add support for this field into the Incidence editor (so one can create an event with conference link) as well as the incidence viewer (so one can see the available conferencing options for an event) and to the reminder popup (to allow the user to join the conference of an upcoming meeting easily with a single click).
I haven't found a bug/wish for this in KDE Bugzilla, but it is something that has been on my todo basically since Covid started and I tried to use KOrganizer to view my work calendar with Zoom calls :)