The add-on is now owned by 3DCW (https://www.3dcharacterworkshop.com/)
And it will be released soon again under their domain.
Here is l little preview of the add-on UI:
He bought it a year ago. No He is not switching to bender. He bought the add-on so that his blender followers can easily follow along with him with his workflow (since the add-on was made to follow his workflow in blender). He is adding new features to the add-on, which will make it easy to follow him.