Great videos, I watched all of them through!
I wish I had something constructive to add here, but all I can say is Awesome!
I think feedback might be minimal because there’s nothing to really compare this to (for a majority of blender users anyway) so people are just hype that it exists.
All looks good to me
The only thing I would want is a bone for the masseter muscle:
Here it is in action, watch Tuvok’s cheeks (brown guy with pointy ears at 1:11):
I understand that this might be difficult (maybe impossible) to capture from front angle video footage. What do you think?