  * The ``django.db.models.permalink()`` decorator will be removed.
  
  .. _deprecation-removed-in-2.0:
  
  2.0
  ---
 
</s> remove           appropriately.
 </s> add           appropriately. USE_ETAGS is deprecated in favor of
          ConditionalGetMiddleware.
* The ``USE_ETAGS`` setting will be removed. ``CommonMiddleware`` and
  ``django.utils.cache.patch_response_headers()`` will no longer set ETags.

  * The ``django.db.models.permalink()`` decorator will be removed.
  
* The ``USE_ETAGS`` setting will be removed. ``CommonMiddleware`` and
  ``django.utils.cache.patch_response_headers()`` will no longer set ETags.

  .. _deprecation-removed-in-2.0:
  
  2.0
  ---
keep add keep keep keep keep
 Fixed #26447 -- Deprecated settings.USE_ETAGS in favor of ConditionalGetMiddleware. 
docs/internals/deprecation.txt