Added PBKDF2 hasher iteration increase to 3.0 release notes.
Refs
@@ -139,6 +139,9 @@ Minor features
* The new :meth:`.UserManager.with_perm` method returns users that have the
specified permission.
+* The default iteration count for the PBKDF2 password hasher is increased from
+ 150,000 to 180,000.
+
:mod:`django.contrib.gis`
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