Triaged
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https://code.djangoproject.com/ticket/28646 - Migration calls "CREATE INDEX" when one already exists when 'unique' field attribute is added (accepted)
https://code.djangoproject.com/ticket/28728 - Make validate_password() require a user instance (wontfix)
https://code.djangoproject.com/ticket/28731 - Passing an empty Q() to a When inside a Case causes an OperationError (accepted)
https://code.djangoproject.com/ticket/28736 - Database migration fails with postgresql 8.x with rest_framework.authtoken (invalid)
https://code.djangoproject.com/ticket/28733 - Formsets are missing classes to be easily styleable (wontfix)
https://code.djangoproject.com/ticket/28725 - In multi-table inheritance, serializers output ManyToManyFields in both the parent and the base class which causes an error with loaddata (accepted)
https://code.djangoproject.com/ticket/28742 - get/set on a OneToOneField produces AttributeError (accepted)
https://code.djangoproject.com/ticket/28737 - Clarify {% cache %} tag's handling of arguments (fixed)
https://code.djangoproject.com/ticket/28741 - Remove unnecessary leading dot from cross-domain cookie examples (accepted)
https://code.djangoproject.com/ticket/28712 - Add ability to apply separate attributes to ChoiceWidget options (accepted)
Reviewed/committed
------------------
https://github.com/django/django/pull/9231 - Fixed #28706 -- Moved AuthenticationForm invalid login ValidationError to a method for reuse.
https://github.com/django/django/pull/9281 - Fixed #28739 -- Fixed get_fixed_timezone() for negative timedeltas.
https://github.com/django/django/pull/9282 - Fixed #28740 -- Added 'continent_code' and 'continent_name' in GeoIP2.city() dict.
https://github.com/django/django/pull/8870 - Fixed #28474 -- Made DurationField raise ValidationError for inputs that raised OverflowError.
https://github.com/django/django/pull/9297 - Fixed #28131 -- Corrected examples of using attribute lookups on the "perms" template variable.
https://github.com/django/django/pull/9290 - Fixed #28205 -- Doc'd that ModelAdmin.prepopulated_fields only works on add forms.
https://github.com/django/django/pull/9250 - Refs #28010 -- Allowed reverse related fields in SELECT FOR UPDATE .. OF.