Triaged
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https://code.djangoproject.com/ticket/26351 - Recommend enabling MySQL's STRICT_TRANS_TABLES to prevent silent truncation (accepted)
https://code.djangoproject.com/ticket/26355 - Add support for PostgreSQL's array_append to ArrayField (accepted)
https://code.djangoproject.com/ticket/26356 - Allow management commands to require tagged checks (wontfix)
https://code.djangoproject.com/ticket/26365 - Add a system check to ensure "string_if_invalid" is a string (accepted)
https://code.djangoproject.com/ticket/26362 - Manually changing the parent of a child model is silently failing (accepted)
https://code.djangoproject.com/ticket/26366 - Implicitly save related models as needed instead of raising "unsaved related objects error" on Model.save() (wontfix)
https://code.djangoproject.com/ticket/26367 - Assess if FieldFile can work with stdlib File instead of requiring Django's File (accepted)
https://code.djangoproject.com/ticket/26373 - Reverse lookup with subquery with a ForeignKey with to_field set causes FieldError (accepted)
https://code.djangoproject.com/ticket/26380 - 'FileField' attribute has no file associated with it (duplicate)
Authored
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https://github.com/django/django/pull/6306 - Fixed #26265 -- Clarified RadioSelect container's HTML id.
https://github.com/django/djangoproject.com/pull/646 - Added support for gold/platinum members on fundraising page.
Reviewed/committed
------------------
https://github.com/django/django/pull/6293 - Fixed #26334 -- Removed whitespace stripping from contrib.auth password fields.
https://github.com/django/django/pull/6278 - Fixed #25579 -- Fixed ArrayField.get_db_prep_value() to allow complex types.
https://github.com/django/django/pull/6277 - Fixed #26158 -- Rewrote http.parse_cookie() to better match browsers.
https://github.com/django/django/pull/6288 - Fixed #26297 -- Fixed `collectstatic --clear` crash if storage doesn't implement path().
https://github.com/django/django/pull/6259 - Fixed #26306 -- Fixed memory leak in cached template loader.
https://github.com/django/django/pull/5530 - Fixed #25658 -- Allowed inspectdb to inspect a specific set of tables.
https://github.com/django/django/pull/6090 - Fixed #25232 -- Made ModelBackend authentication backend reject inactive users
https://github.com/django/django/pull/6124 - Fixed #24987 -- Allowed inactive users to login with the test client.
https://github.com/django/django/pull/6304 - Fixed #26373 -- Fixed reverse lookup crash with a ForeignKey to_field in a subquery.
Reviews of core dev work
------------------------
https://github.com/django/django/pull/6289 - Fixed #26157 #25321 -- Added sql/params to extra context of schema logger.