Blender 2.81: Retopo with Poly Build

jayanam writes:
And again Pablo Dobarro added great new features to the latest Blender 2.81 experimental build – now we can use the Poly Build tool as a real retopology utility. In this video I show you how to get started with it.

Loving it already. Hope it gets a few more features! Great work.
Looks But retopo flow Looks a lot faster and mightier