You can download a local copy of an HD movie, and you might be able to download HDR and Dolby Vision versions, but you can’t download a 4K version. — Apple Inc.
“It’s not clear why Apple is not allowing customers to download 4K content onto their devices, but it could potentially be a licensing issue,” Clover reports. “Apple is providing 4K content at the same price as HD content, though movie studios were rumored to want to charge more. It’s also possible it’s a local storage issue, as 4K movies have large file sizes.”
Read more in the full article here.
MacDailyNews Take: It’s almost certainly a licensing issue.