Triaged
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https://code.djangoproject.com/ticket/26646 - Add IOBase methods required by TextIOWrapper to FileProxyMixin (acepted)
https://code.djangoproject.com/ticket/26653 - Make syndication's lastBuildDate timezone aware (accepted)
https://code.djangoproject.com/ticket/26657 - MySQL 5.7 GIS test failures: InterfaceError: (-1, 'error totally whack') (created)
https://code.djangoproject.com/ticket/26665 - Model field default callable called twice in forms (duplicate)
https://code.djangoproject.com/ticket/26669 - UnicodeDecodeError with non-ASCII string in 'Content-Type' header (worksforme)
https://code.djangoproject.com/ticket/26666 - assertRedirects gives unhelpful error message expected URL is external (accepted)
https://code.djangoproject.com/ticket/26664 - Support of model_object.delete(cascade=True) (wontfix)
https://code.djangoproject.com/ticket/26619 - BaseCache incr method will reset the timeout (accepted)
https://code.djangoproject.com/ticket/26624 - Error when running sqlmigrate after dropping index (of index_together) without actually migrating (accepted)
https://code.djangoproject.com/ticket/26635 - Clarify "memory_cost" of Argon2PasswordHasher differs from command line utility (accepted)
https://code.djangoproject.com/ticket/26621 - simplify_regex handles named capture groups incorrectly (accepted)
https://code.djangoproject.com/ticket/26655 - Provide a hook to handle database exceptions in Django Admin (wontfix)
https://code.djangoproject.com/ticket/26659 - Allow filtering of which tests run (Someday/Maybe)
https://code.djangoproject.com/ticket/26672 - forms.HStoreField crashes on an empty JSON array (accepted)
https://code.djangoproject.com/ticket/26630 - Defered constraint checks flush after `post_delete` signal (accepted)
Authored
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https://github.com/django/django/pull/6646 - Refs #26134 -- Updated deprecated MySQL GIS function names.
https://github.com/django/django/pull/6661 - Fixed #26667 -- Fixed a regression in queries on a OneToOneField that has to_field and primary_key=True.
https://github.com/django/django/pull/6663 - Fixed #26084 -- Documented that deprecation warnings are no longer loud.
https://github.com/django/django/pull/6664 - Fixed #25645 -- Dropped support for SpatiaLite < 4.0.
https://github.com/django/django/pull/6666 - Fixed #26675 -- Dropped support for PostgreSQL 9.2/PostGIS 2.0.
https://github.com/django/django-formtools/compare/00e436da31d...457ee2fae - Assorted formtools cleanups and testing with Django 1.10
Reviewed/committed
------------------
https://github.com/django/django/pull/6654 - Refs #25588 -- Fixed GDAL dependency in spatial lookups.
https://github.com/django/django/pull/6629 - Fixed #26642 -- Made ModelSignal.disconnect() work with lazy references.
https://github.com/django/django/pull/6602 - Fixed #26573 -- Added descriptive error message for malformed if/else/elif template tags.
Reviews of core dev work
------------------------
https://github.com/django/django/pull/6645 - Fixed #26645 -- Fixed potential makemessages failures on Windows.
https://github.com/django/django/pull/6639 - Fixed #26646 -- Added IOBase methods required by TextIOWrapper to File.