Django 1.9.1 release notes
Django 1.9.1 fixes several bugs in 1.9.
- Fixed with the
DummyCache
backend (). - Fixed a regression in
FormMixin
causing forms to be validated twice (#25548, ). - Fixed a system check crash with nested
ArrayField
s (#25867). - Fixed a state bug when migrating a
SeparateDatabaseAndState
operation backwards (). - Fixed a regression in
CommonMiddleware
causingIf-None-Match
checks to always return HTTP 200 (#25900). - Fixed missing
varchar/text_pattern_ops
index onCharField
andTextField
respectively when usingAlterField
on PostgreSQL (). - Added
from __future__ import unicode_literals
to the defaultapps.py
created by on Python 2 (#25909). Add this line to your ownapps.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 (). - Fixed evaluation of zero-length slices of
QuerySet.values()
(#25894). - Fixed a state bug when using an
AlterModelManagers
operation (). - Fixed
TypedChoiceField
change detection with nullable fields (#25942). - Fixed incorrect timezone warnings in custom admin templates that don’t have a
data-admin-utc-offset
attribute in thebody
tag. (). - Fixed a regression which prevented using a language not in Django’s default language list (
LANGUAGES
) (). - Fixed detection of many-to-many tables (#25922).
- Restored the functionality of the admin’s
list_editable
add and change buttons (). - Fixed
isnull
query lookup forForeignObject
(#25972). - Fixed a regression in the admin which ignored line breaks in read-only fields instead of converting them to
<br>
(). - Fixed incorrect object reference in
SingleObjectMixin.get_context_object_name()
(#26006). - Made
loaddata
skip disabling and enabling database constraints when it doesn’t load any fixtures (). - Restored
contrib.auth
hashers compatibility with py-bcrypt (#26016).