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* Add support for the new-style middleware classes introduced in Django 1.10.
The same WhiteNoiseMiddleware class can now be used in either the old
``MIDDLEWARE_CLASSES`` list or the new ``MIDDLEWARE`` list.
* Fixed a bug where incorrect Content-Type headers were being sent on 304 Not
Modified responses (thanks `oppianmatt <https://github.com/oppianmatt>`_).
* Return Vary and Cache-Control headers on 304 responses, as specified by the
`RFC <https://tools.ietf.org/html/rfc7232#section-4.1>`_.