==========================
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`).