MorphTarget modifierというものらしいです。
原文は長文なので・・・割愛。

以下は抜粋です。
You can see some basic demonstration be me below
basic demonstration
basic demonstration(from last year)

これは公式wikiのリンクです。
MorphTarget_ShapeBlender_Modifier

これはBlenderArtists.orgのリンクです。
Old forum link
New forum link

It's always cool to see people work on physics, solvers and engines. Blender unfortunately isn't very flexible here, you can't just plugin another solver so easily. We tried it with Itasc, but thats not very succesful either (and I doubt there's more than a handful people using it).

Same is for BEPU engine. It looks nice... but I don't see any real breakthrough or benefit for Blender. Especially not to add it alongside our current armature IK system.

Instead, I would suggest to work on Blender in ways that expands our functionality in compatible and design-compliant ways. Same goes for physics in Blender, which is heavily relying on Bullet for example. To just add another physics engine might not be the best way forward I'm afraid.

On our roadmap there's node systems planned for constraints/modifiers/particles, but I am not sure yet how rigging would fit in. We also want to unfify physics, and/or make solvers "pluggable". This might well take a half year to a full year to mature. Lukas Toenne and Antonis Ryakiotakis are coordinating this and will be working on this. I'm sure they will welcome people who know phsyics well to help out.

I also have to admit that the quality of examples on your webpage are not very encouraging. And: reading things about XNA (Microsoft) and C# is quite scary.

To be clear: "The Blender Foundation" is not involved in development. I was speaking on my own behalf, based on experience I have as tool designer, developer and producer of animation film.

Personally I have nothing against a full body IK solver for Blender. In fact, my first IK experiments in 90ies was 'full body' based. It just has proven to be not very useful in practice. I only hear animators to confirm that it's not good for articulated animation. For ragdoll physics or massive anims (with bodies falling from cliffs or so) it might be more useful though.

Would it be possible to present this proposal as a full-body solver, fitting with current armature IK and constraints? (Drop the "BEPU" name from the feature too, to make it less confusing).

There's an official animators mailing list where you can get feedback from the module team who handles (character) animation. (bf-animsys). That's the place where decision usually get made, and if the core module team agrees on things you won't hear me complain :)