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django/docs/releases/1.9.1.txt

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==========================
Django 1.9.1 release notes
==========================
*Under development*
Django 1.9.1 fixes several bugs in 1.9.
Bugfixes
========
* Fixed ``BaseCache.get_or_set()`` with the ``DummyCache`` backend
(:ticket:`25840`).
* Fixed a regression in ``FormMixin`` causing forms to be validated twice
(:ticket:`25548`).
* Fixed a system check crash with nested ``ArrayField``\s (:ticket:`25867`).
* Fixed a state bug when migrating a ``SeparateDatabaseAndState`` operation
backwards (:ticket:`25896`).
* Fixed a regression in ``CommonMiddleware`` causing ``If-None-Match`` checks
to always return HTTP 200 (:ticket:`25900`).
* Fixed missing ``varchar/text_pattern_ops`` index on ``CharField`` and
``TextField`` respectively when using ``AlterField`` on PostgreSQL
(:ticket:`25412`).
* Fixed admin's delete confirmation page's summary counts of related objects
(:ticket:`25883`).
* Added ``from __future__ import unicode_literals`` to the default ``apps.py``
created by ``startapp`` on Python 2 (:ticket:`25909`). Add this line to your
own ``apps.py`` files created using Django 1.9 if you want your migrations
to work on both Python 2 and Python 3.
* Prevented ``QuerySet.delete()`` from crashing on MySQL when querying across
relations (:ticket`25882`).
* Fixed evaluation of zero-length slices of ``QuerySet.values()``
(:ticket:`25894`).