A list of the feeds Apple uses for its video screensavers

apple-tv-screen-saver-feeds.txt

tvOS 10: 1080p + H.264
http://a1.phobos.apple.com/us/r1000/000/Features/atv/AutumnResources/videos/entries.json

tvOS 11: 1080p/4K + SDR/HDR + HEVC
https://sylvan.apple.com/Aerials/2x/entries.json
https://t27q97zg19.execute-api.us-east-1.amazonaws.com/prod/aerialAltJSON/4kEntites.json

tvOS 12: 4K + SDR/HDR + HEVC, 1080p + H.264, localised descriptions 
https://sylvan.apple.com/Aerials/resources.tar

tvOS 13: 4K + SDR/HDR + HEVC, 1080p + H.264, localised descriptions 
https://sylvan.apple.com/Aerials/resources-13.tar

tvOS 15: 4K + SDR/HDR + HEVC, 1080p + H.264, localised descriptions 
https://sylvan.apple.com/Aerials/resources-15.tar

tvOS 16: 4K + SDR/HDR + HEVC, 1080p + H.264, localised descriptions 
https://sylvan.apple.com/Aerials/resources-16.tar

macOS 14: 4K 120FPS + 240FPS, localised descriptions 
https://sylvan.apple.com/itunes-assets/Aerials126/v4/82/2e/34/822e344c-f5d2-878c-3d56-508d5b09ed61/resources-14-0.tar

macOS 15: 4K 240FPS, localised descriptions 
https://sylvan.apple.com/itunes-assets/Aerials126/v4/82/2e/34/822e344c-f5d2-878c-3d56-508d5b09ed61/resources-15-0-2.tar

macOS 26: 4K 240FPS, localised descriptions 
https://configuration.apple.com/configurations/internetservices/aerials/resources-config-26-0.plist

Does the released tvOS 26 has any of the new aerials? I wonder if there any HDR versions available.

Yes the new videos are there. But we still have no idea where the manifest is available :(

got Apple TV 4k 1st gen, will try jailbreaking it to see if there any manifest available