Triaged
-------
https://code.djangoproject.com/ticket/27444 - Django StaticLiveServerTestCase: view cannot query test-database properly (invalid)
https://code.djangoproject.com/ticket/27457 - Cannot migrate ArrayField on SQLite (invalid)
https://code.djangoproject.com/ticket/27451 - syndication feed may crash with AmbiguousTimeError (accepted)
https://code.djangoproject.com/ticket/27456 - Changing the unique parameter from True to False has no effect on MySQL (worksforme)
https://code.djangoproject.com/ticket/27466 - Use a datepicker widget for Date[Time]RangeField in admin (accepted)
https://code.djangoproject.com/ticket/27462 - Clarify what's contained in m2m_changed's "pk_set" argument (accepted)
https://code.djangoproject.com/ticket/27463 - Fix ambiguous variable flake8 warnings (accepted)
https://code.djangoproject.com/ticket/27417 - Migration to change model field case crashes on Oracle (accepted)
https://code.djangoproject.com/ticket/27406 - Signals pre_delete and post_delete break logical relationship of models and behave in differently with different backends (invalid)
https://code.djangoproject.com/ticket/27467 - UserAttributeSimilarityValidator max_similarity=0/1 doesn't work as documented (accepted)
https://code.djangoproject.com/ticket/27471 - Make admin's list_filter choices collapsible (accepted)
Authored
----------
https://github.com/django/django/pull/7534 - Fixed #27467 -- Made UserAttributeSimilarityValidator max_similarity=0/1 work as documented.
Reviewed/committed
------------------
https://github.com/django/django/pull/7415 - Fixed #27369 -- Prevented widgets from being shared between form field instances.
https://github.com/django/django/pull/7486 - Fixed #27372 -- Fixed introspection of SQLite foreign keys with spaces in DDL.
https://github.com/django/django/pull/7506 - Fixed #27133 -- Doc'd how to provide initial data with migrations.
https://github.com/django/django/pull/7474 - Fixed #27138 -- Restored pre-Python 3.6 behavior of localtime() and make_naive() on Python 3.6.
https://github.com/django/django/pull/7463 - Fixed #27420 -- Quoted the Oracle test user password in queries.
https://github.com/django/django/pull/7472 - Fixed #27436 -- Fixed makemigrations crash when creating migrations on a separate drive than where Django is installed.
https://github.com/django/django/pull/7500 - Fixed #27184 -- Allowed uploading TemporaryFile with the test client.
https://github.com/django/django/pull/7512 - Fixed #27414 -- Doc'd that F() expressions on relations return pk values.
https://github.com/django/django/pull/7530 - Fixed #27461 -- Fixed incorrect allow_migrate() arguments in makemigrations.
https://github.com/django/django/pull/7475 - Fixed #27438 -- Added the diffsettings --default option.
https://github.com/django/django/pull/7439 - Fixed #27392 -- Removed "Tests that", "Ensures that", etc. from test docstrings.
https://github.com/django/django/pull/7502 - Fixed #27431 -- Prevented disabled form fields from appearing as changed.
https://github.com/django/django/pull/7464 - Fixed #27421 -- Added shape, size, and offset controls to GDALRaster constructor.
https://github.com/django/django/pull/7447 - Fixed #25240 -- Added ExtractWeek and exposed it through the __week lookup.
https://github.com/django/django/pull/7477 - Fixed #27386 -- Wrapped admin's readonly fields in <div> rather than <p>.
https://github.com/django/django/pull/7539 - Fixed #27448 -- Switched use of functions deprecated in PostGIS 2.2.