I've also noticed a minor issue, I don't have time at the moment to file a report on github. I noticed on the demo that if I zoom all the way out, and then use

I've also noticed a minor issue, I don't have time at the moment to file a report on github. I noticed on the demo that if I zoom all the way out, and then use my mouse wheel to zoom in quickly enough I can clip into the earth and see the black below. This does seem to depend on scroll speed being high enough.