"Hey Siri" support and possibly wireless charging case alongside AirPower charging mat.
AirPods and AirPower: Everything We Know
Apple axes RingTone iTunes Plan?
The new feature was reported to be a headline feature of iLife '06 at Macworld San Francisco. According to The Register, however, it has been cancelled just weeks before the supposed announcement.
A source described the feature, which included integration with GarageBand and Flickr, as "giving ringtones the Apple makeover".
It's unclear why the feature was cancelled.