the 2.79 version of rigify presents a peculiar problem that never presented in earlier versions.
when adjusting the meta rig to a given model’s proportions and then generating the true rig, the roll value on the limb bones is way off
in this image you can see that the limbs have been altered from their original position at given degrees.
and this is the result. the bones are pointing correctly, but are twisted by default, including the hand bones and i dont know how to prevent this from happening