- :class:`~sklearn.decomposition.LatentDirichletAllocation` now has a
  ``normalize`` parameter in
  :meth:`~sklearn.decomposition.LatentDirichletAllocation.transform` and
  :meth:`~sklearn.decomposition.LatentDirichletAllocation.fit_transform`
  methods to control whether the document topic distribution is normalized.
  By `Adrin Jalali`_
