Triaged
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https://code.djangoproject.com/ticket/26386 - ManifestStaticFilesStorage not respecting commented lines in collect static (duplicate)
https://code.djangoproject.com/ticket/26381 - UserCreationForm cannot be reused with a custom USERNAME_FIELD value (fixed)
https://code.djangoproject.com/ticket/26382 - Better decouple Storage and FileField (duplicate)
https://code.djangoproject.com/ticket/26372 - admin_order_field ignored when shadowing model field (accepted)
https://code.djangoproject.com/ticket/26384 - Django 1.9 regression in migrations due to lazy model operations refactor (accepted)
https://code.djangoproject.com/ticket/26385 - Squashing migrations with Python 2.7 adds bytestring prefix to ManyToManyField 'to' values which fails to run on Python 3 (accepted)
https://code.djangoproject.com/ticket/26379 - Inconsistent behaviour of filter() on related model (RelatedManager) (accepted)
https://code.djangoproject.com/ticket/26387 - Related popup doesn’t open in a changelist when list_editable in raw_id_fields (accepted)
https://code.djangoproject.com/ticket/26388 - make is_anonymous and is_authenticated properties (duplicate)
https://code.djangoproject.com/ticket/26392 - Sample code for @permission_required is incorrect (fixed)
https://code.djangoproject.com/ticket/26395 - CryptPasswordHasher only return None on some platform (fixed)
https://code.djangoproject.com/ticket/26393 - Unable to filter against annotations in Manager with use_for_related_fields (wontfix)
https://code.djangoproject.com/ticket/26397 - Use custom managers on Foreign Key (duplicate)
https://code.djangoproject.com/ticket/26404 - Change of primary key field does not update foreign keys in migration (duplicate)
https://code.djangoproject.com/ticket/26405 - ModelMultipleChoiceField does not honor to_field_name at render (duplicate)
Authored
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https://github.com/django/django/pull/6327 - Split model_fields tests into different files.
https://github.com/django/django/pull/6332 - Fixed #26387 -- Restored the functionality of the admin's raw_id_fields in list_editable.
Reviewed/committed
------------------
https://github.com/django/django/pull/6308 - Fixed #26365 --- Added a system check to ensure "string_is_invalid" is a string
https://github.com/django/django/pull/6192 - Fixed #26235 -- Handled ProtectedError in a POST to admin's delete_view().
https://github.com/django/django/pull/6316 - Fixed #26378 -- Allowed a left byte of zero in mixed IPv4/IPv6 validation.
https://github.com/django/django/pull/6312 - Fixed #26293 -- Fixed CommonMiddleware to process PREPEND_WWW and APPEND_SLASH independently.
https://github.com/django/django/pull/6325 - Fixed #26398 -- Made FieldFile.open() respect its mode argument.
https://github.com/django/django/pull/6302 - Fixed #25759 -- Added keyword arguments to customize Expressions' as_sql().
https://github.com/django/django/pull/6271 - Fixed #24932 -- Added Cast database function.
Reviews of core dev work
------------------------
https://github.com/django/django/pull/6333 - Fixed #25987 -- Made inline formset validation respect unique_together with an unsaved parent object.
https://github.com/django/django/pull/6236 - Fixed #24227 -- Replaced ForeignKey isinstance checks by field.many_to_one.