Triaged
-------
https://code.djangoproject.com/ticket/27993 - Impossible to clear an ArrayField with a forms.MultipleChoiceField (accepted)
https://code.djangoproject.com/ticket/27991 - Add 'obj' kwarg to InlineModelAdmin's.has_add_permission() (accepted)
https://code.djangoproject.com/ticket/28000 - Migration forces "DROP DEFAULT" SQL (invalid)
https://code.djangoproject.com/ticket/28001 - Investigate/update comment about context popping in ForNode.render() (accepted)
https://code.djangoproject.com/ticket/27998 - LogEntry messages do not list m2m fields that were changed when an object is changed via ModelAdmin (accepted)
Authored
----------
https://github.com/django/djangosnippets.org/pull/61 - Replace markdown()'s deprecated safe_mode with bleach.clean()
Reviewed/committed
------------------
https://github.com/django/django/pull/8247 - Fixed #21160 -- Fixed QuerySet.in_bulk() crash on SQLite when requesting more than 999 ids.
https://github.com/django/django/pull/8243 - Fixed #27981 -- Doc'd date/time filter localization change from refs #25758.
https://github.com/django/django/pull/8230 - Fixed #27973 -- Fixed GeoJSON representation of LinearRing and custom GEOSGeometry subclasses.
https://github.com/django/django/pull/8258 - Fixed #25414 -- Fixed QuerySet.annotate() with pk in values() on MySQL.
https://github.com/django/django/pull/8263 - Fixed #25873 -- Made GEOSGeometry handle srid parameter in the more predictable way.
https://github.com/django/django/pull/8256 - Fixed #27942 -- Prevented admin from adding "add" buttons to all tables in inlines.
https://github.com/django/django/pull/8266 - Fixed #27993 -- Fixed model form default fallback for SelectMultiple.
https://github.com/django/django/pull/8000 - Fixed #27359 -- Allowed multiple DTL backends with Engine.get_default().
https://github.com/django/django/pull/7670 - Fixed #25605 -- Made GIS DB functions accept geometric expressions, not only values, in all positions.
https://github.com/django/django/pull/8276 - Fixed #26967 -- Added MySQL support for AsGeoJSON, GeoHash, IsValid functions.
https://github.com/django/django/pull/8283 - Fixed #12410 -- Added LineLocatePoint GIS function.
https://github.com/django/django/pull/8274 - Fixed #25874 -- Made GEOSGeometry read SRID from GeoJSON input.
https://github.com/django/django/pull/8262 - Fixed #27989 -- Preserved empty QueryDicts for form's data/files args.
https://github.com/django/django/pull/8248 - Fixed #27954 -- Allowed keyboard interrupt to abort queries in PostgreSQL dbshell.
https://github.com/django/django/pull/8275 - Fixed #28003 -- Doc'ed what auto-created parent_links o2o look like.