If their is such a thing, it probably didn't change since the mountain caves update many months ago. That was on the 16th of February to be more specific. Since then their has not been any change of significance made to the world generation.

The content we got in the most recent patch are just decorative craftables which can be easily produced no matter what your seed. If anything the reintroduction of craftable maypoles means their is just one less factor as to whether one seed is necessarily better than another.