No more reporting of newly discovered devices?

sorry if I missed this completely since the migration to .storage and deprecation of known_devices.yaml from legacy device_trackers, but my bluetooth device_tracker on my full UI test system still adds newly discovered devices, albeit silently nowadays.
I only notice them because the auto filled entities card displays them …

Wat do I need to do to have a notification show me a new device was discovered, like in the ‘old’ days?

again, pardon my ignorance if this has been covered extensively elsewhere. A pointer in that case suffices, no need humble me please…