Triaged
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https://code.djangoproject.com/ticket/27958 - CSRF_COOKIE reset while requesting a broken relative URL over HTTPS (invalid)
https://code.djangoproject.com/ticket/27970 - Allow in_bulk() to use other unique fields besides the primary key (accepted)
https://code.djangoproject.com/ticket/27979 - Using F() to save negative integers in unsigned columns on MySQL should raise IntegrityError rather than OperationalError (accepted)
https://code.djangoproject.com/ticket/27981 - date/time filter docs inaccurate about how localization works (accepted)
https://code.djangoproject.com/ticket/27980 - ExpressionWrapper is maybe masking a NotImplementedError on SQLite (invalid)
Authored
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https://github.com/django/django/pull/8217 - Fixed #27919 -- Fixed some args/kwargs discrepancies in template widget rendering APIs.
https://github.com/django/django/pull/8233 - Fixed #27956 -- Fixed display of errors in an {% extends %} child.
Reviewed/committed
------------------
https://github.com/django/django/pull/8232 - Fixed #27975 -- Fixed crash if ModelChoiceField's queryset=None.
https://github.com/django/django/pull/8229 - Fixed #27969 -- Fixed models.Field.formfield() setting 'disabled' for fields with choices.
https://github.com/django/django/pull/8242 - Fixed #27603 -- Fixed AsKML when queryset is evaluated more than once.
https://github.com/django/django/pull/8215 - Fixed #27962 -- Allowed lookups on Area annotation.
https://github.com/django/django/pull/8241 - Refs #21160 -- Replaced DatabaseFeatures.supports_1000_query_parameters by max_query_params.