Every magazine and annotated opened if its most recent problem used the standard format or Apple News Format to create this record. The split between Apple News Format magazines and regular magazines is fairly even: 125 magazines are employing the wealthier Apple News Format in their latest issue, while 126 of these are relying on conventional PDFs (probably the format the old Texture service was using).

Federico Viticci, writing at MacStories:

I get why they’re encouraging PDF as an option, but the Apple News Format magazines feel much better, particularly.