Are there any good tutorials or suggestions on creating models in Blender and exporting with the associated materials and nodes? Specifically I'm looking to see if there is an ability to export translucency associated with an object (i.e. glass bottle). I have created a simple cube with a Principled BSDF shader, but the transmission and IOR settings are not porting over. Any tips or suggestions would be helpful.

I have created a multi-level scene where the user can click an audio file icon and an .mp3 file will play a short audio file. This works beautifully locally on my computer and when I share to my iPhone/iPad. However, when I export the USDZ file, upload to my website and test from there the audio does not play. The other behaviors (Tap + Show) works, but the audio does not play. I've tried the .mp3, .wav, and .caf format with no luck. I created a new reality composer file, added a cube and added a tap + sound behavior using the built in audio options (Happy Chime), but the same exact issue occurs. Any suggestions on what I can adjust in my project to allow audio to play? Do the audio files need to be in the same directory as the usdz file? Any help is appreciated.

The SWIFT Club Playgrounds PDF - https://www.apple.com/education/docs/swift-club-playgrounds.pdf for Build a Project references the Shapes playground, but it looks like it has been updated to 5.1. Do you know where I can find an older version of the Shapes Playground that better matches the instructions found in the PDF?

For some reason when I send my Reality Composer experience to my iPhone the AR button does not appear. I am using the Face Anchor and sending to an iPhone 8 and an iPad 6. If I change the anchor to horizontal or vertical the AR button appears, but will not show the AR button when using the Face Anchor. Reality Composer app on all devices are up to date. Help me Obi Wan!