Product Variations & Product Features

I've tried new engine functionality - product variations. But I have some problems with this, maybe you know solution. Main problem is that I'm able to add different features to all grouped products, but when I change variant, product feature still show feature assigned to the first product.
Is there any solution to change it, when customer change product variant?

Since this module is still in beta, I suggest you to make a post in the bug tracker (see link at the top)