Morphing Animation Not Playing in an Xcode VisionOS App

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Created 4d

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I have a 3D model with morphing animation that works correctly in Blender.
I exported this model as a USDZ file and tried to display it in an Xcode-developed visionOS app, but the morphing animation does not play.

What I Have Tried:

Morphing animation works correctly in Blender.
After exporting to USDZ, the morphing animation does not play in the Xcode app.
Linear motion animations (such as object movement) work fine.
Behavior in Reality Converter:
- GLB files do not display.
- USDZ files load, but morphing animations do not play.

What I Want to Know:

Is there a way to play morphing animations in an Xcode-developed app?
Does RealityKit support morphing animations?
Can morphing animations be played in an Xcode-developed app?
If RealityKit does not support morphing animations, what alternative methods can be used to play them?
I am looking for a way to use the existing animations without recreating them.

Additional Information:

I have both the Blender file (where animations work) and the USDZ file (where animations do not play).
I am developing a visionOS app using Xcode.

Any advice or solutions would be greatly appreciated.
Thank you in advance!

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Answer 1

DTS Engineer OP

Apple

4d

Hello. Thanks for asking. I struck up a conversation with our engineering teams about your question on an internal mailing list. They'd like to see your file to investigate if they can provide any recommendations to you. Can you send us a copy? You can do that in your reply by either providing a link to your file on a server somewhere or by attaching your test project as a .zip file in a reply on this forums thread. Thanks!

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