Object requires a newer version of iOS about model-viewer HOT 13 OPEN

Considering it says you need a newer version of iOS, could you at least include your iOS version? :)

@AdaRoseCannon @mrdoob Maybe you two can work out some kind of testing regimen so that Apple's Quick Look isn't constantly making breaking changes to its USDZ reader (this file is produced by Three's USDZExporter)?

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@elalish I apologize, of course. I'm on 17.5, but I tested it also on 17.3 and older.

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Just to clarify, what version of THREE.js does this USDZExporter come from?

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r163 - we're generally up to date at whatever the time of our release was.

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From my side I have no other option than reverse engineer the iOS viewer by disabling things until it works again.

It would be greatly appreciated if iOS could offer a mechanism to know what the issue actually is.

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Can you link the USDZ model generated so I can take a look?

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@AdaRoseCannon do you have a tool to extract it from a QuickLook session? MV just generates it in memory and passes the blob across, so there isn't super easy file access without hacking MV a bit. You might consider setting up a Glitch with Three.js for converting glTF to USDZ so you can easily repro problems like this (they are very common with our users).

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I’ll do that, if @ermincelikovic has the original gltf then that would also be fine and I will make a glitch to test it with.

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I believe the original GLB is the first link in the description above.

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Totally missed it, my bad!

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@AdaRoseCannon do you have a tool to extract it from a QuickLook session? MV just generates it in memory and passes the blob across, so there isn't super easy file access without hacking MV a bit. You might consider setting up a Glitch with Three.js for converting glTF to USDZ so you can easily repro problems like this (they are very common with our users).

Or you can load the glb in https://threejs.org/editor/ and export to usdz from there too.

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That is a really useful tip and will save a lot of time.

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Thanks everyone for checking this out! If there is anything I can help with, let me know.

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