I will also add, FWIW, Safari has yet to support this, and we look to do our best not to create web compatibility issues across the web for these new features. The web works best when we all have the ability to support a feature.
@Mutzu Thank you for the feedback and the recommendations. While many of these are outside of the focus of my teams (A11y/APZ/Layout) , I've passed them on to my peers on the mobile team responsible for user experience (UX). Thanks for your suggest...