AR model shadows not working on mobile (but working on dekstop)

Strangely, shadows in AR are working fine on desktop (with webcam) but not visible on mobile (iOS Safari).

Basically, code is taken from here:

Anyone have any idea why this might be?


Do you see any warnings or error messages in the browser console?

Me too to having the same thing. Maybe it happens due to configuration issues with webpolyfill , They were not updating the latest devices. So need to configure it manually. But I dont know what is the best way for configure it manually.