yeaahh I saw that, pretty amazing, here is the link:
https://blog.sketchfab.com/sketchfab-no ... nslucency/
there are many cool things missing yet, but 2.1 is almost entirely being developed by just one person, Matias (dark_sylinc)... and now he is busy with core features (2.2 texture refactor)... so its going to be a while.. unless we contribute! =D.