Triaged
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https://code.djangoproject.com/ticket/28356 - Serializer got error when datetime field receive string instead datetime object (wontfix)
https://code.djangoproject.com/ticket/28362 - Docs incorrectly state that time zone support is disabled by default (invalid)
https://code.djangoproject.com/ticket/28363 - Allow naming the migration generated by squashmigrations (accepted)
https://code.djangoproject.com/ticket/28367 - Document how to override management commands (accepted)
https://code.djangoproject.com/ticket/28368 - Model Inheritance Primary Key Issue (invalid)
https://code.djangoproject.com/ticket/28375 - QuerySet.prefetch_related() crashes with KeyError if model uses to_field and string primary key (accepted)
https://code.djangoproject.com/ticket/28373 - TIME_ZONE value in DATABASES settings is not used for date lookup (accepted)
Authored
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https://github.com/django/django/pull/8697 - Fixed #28355 -- Fixed widget rendering of non-ASCII date/time formats on Python 2.
https://github.com/django/django/pull/8718 - Added a test for QuerySet.update() with an invalid field.
https://github.com/django/django/pull/8716 - Fixed #20880 -- Split QuerySet._clone() to _clone() and _pre_next_op().
Reviewed/committed
------------------
https://github.com/django/django/pull/8354 - Fixed #28076 -- Added support for PostgreSQL's interval format to parse_duration().
https://github.com/django/django/pull/8703 - Fixed #28360 -- Fixed test runner crash with --debug-sql on fail/error in subTest.
https://github.com/django/django/pull/8671 - Fixed #28331 -- Added ContextMixin.extra_context to allowing passing context in as_view().