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- ==========================
- Django 1.8.3 release notes
- ==========================
- *Under development*
- Django 1.8.3 fixes several bugs in 1.8.2.
- Bugfixes
- ========
- * Fixed ``BaseRangeField.prepare_value()`` to use each ``base_field``’s
- ``prepare_value()`` method (:ticket:`24841`).
- * Fixed crash during :djadmin:`makemigrations` if a migrations module either
- is missing ``__init__.py`` or is a file (:ticket:`24848`).
- * Fixed ``QuerySet.exists()`` returning incorrect results after annotation with
- ``Count()`` (:ticket:`24835`).
- * Corrected ``HStoreField.has_changed()`` (:ticket:`24844`).
- * Reverted an optimization to the CSRF template context processor which caused
- a regression (:ticket:`24836`).
- * Fixed a regression which caused template context processors to overwrite
- variables set on a ``RequestContext`` after it's created (:ticket:`24847`).
- * Prevented the loss of ``null``/``not null`` column properties during field
- renaming of MySQL databases (:ticket:`24817`).
- * Fixed a crash when using a reverse one-to-one relation in
- ``ModelAdmin.list_display`` (:ticket:`24851`).
- * Fixed quoting of SQL when renaming a field to ``AutoField`` in PostgreSQL
- (:ticket:`24892`).
- * Fixed lack of unique constraint when changing a field from
- ``primary_key=True`` to ``unique=True`` (:ticket:`24893`).
- * Fixed queryset pickling when using ``prefetch_related()`` after deleting
- objects (:ticket:`24831`).
- * Allowed using ``choices`` longer than 1 day with ``DurationField``
- (:ticket:`24897`).
- * Fixed a crash when loading squashed migrations from two apps with a
- dependency between them, where the dependent app's replaced migrations are
- partially applied (:ticket:`24895`).
- * Fixed recording of applied status for squashed (replacement) migrations
- (:ticket:`24628`).
- * Fixed queryset annotations when using ``Case`` expressions with ``exclude()``
- (:ticket:`24833`).
- * Corrected join promotion for multiple ``Case`` expressions. Annotating a
- query with multiple ``Case`` expressions could unexpectedly filter out
- results (:ticket:`24924`).
- * Fixed usage of transforms in subqueries (:ticket:`24744`).
- * Fixed ``SimpleTestCase.assertRaisesMessage()`` on Python 2.7.10
- (:ticket:`24903`).
- * Provided better backwards compatibility for the ``verbosity`` argument in
- ``optparse`` management commands by casting it to an integer
- (:ticket:`24769`).
- * Fixed ``prefetch_related()`` on databases other than PostgreSQL for models
- using UUID primary keys (:ticket:`24912`).
- * Fixed removing ``unique_together`` constraints on MySQL (:ticket:`24972`).
- * Fixed crash when uploading images with MIME types that Pillow doesn't detect,
- such as bitmap, in ``forms.ImageField`` (:ticket:`24948`).
- * Fixed a regression when deleting a model through the admin that has a
- ``GenericRelation`` with a ``related_query_name`` (:ticket:`24940`).
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