There’s a fundamental flaw in all these shader setups as you have your bark/twig part of the texture pumping into the Subsurface color slot. Only the leaves should have light passing through them. On top of that; leaves have veins which do not allow as much light to pass through. So the new foliage shader needs a new mask added into the equation. The only problem is I don’t know how to set it up properly.
Does anyone have any ideas?