iTunes Package Film Specification 5.2.18 update.
The iTunes Package Film Specification contains the following updates:
HDR and 4K Previews
4K HDR is supported for custom previews.
Minimum Storefront Requirements
The following territories have been added to the Minimum Storefront requirements table:
|Country||Required Language Component|
|United Arab Emirates||Arabic|
Note that Japan and Thailand have additional requirements of localized poster art, title and synopsis.