Django 1.9.1 release notes — Django documentation
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Django/docs/3.2.x/releases/1.9.1
Django 1.9.1 release notes
January 2, 2016
Django 1.9.1 fixes several bugs in 1.9.
Bugfixes
- Fixed
BaseCache.get_or_set()
with theDummyCache
backend (:ticket:`25840`). - Fixed a regression in
FormMixin
causing forms to be validated twice (:ticket:`25548`, :ticket:`26018`). - 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
causingIf-None-Match
checks to always return HTTP 200 (:ticket:`25900`). - Fixed missing
varchar/text_pattern_ops
index onCharField
andTextField
respectively when usingAlterField
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 defaultapps.py
created bystartapp
on Python 2 (:ticket:`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 (:ticket:`25882`). - Fixed evaluation of zero-length slices of
QuerySet.values()
(:ticket:`25894`). - Fixed a state bug when using an
AlterModelManagers
operation (:ticket:`25852`). - Fixed
TypedChoiceField
change detection with nullable fields (:ticket:`25942`). - Fixed incorrect timezone warnings in custom admin templates that don’t have a
data-admin-utc-offset
attribute in thebody
tag. (:ticket:`25845`). - Fixed a regression which prevented using a language not in Django’s default language list (:setting:`LANGUAGES`) (:ticket:`25915`).
- Avoided hiding some exceptions, like an invalid
INSTALLED_APPS
setting, behindAppRegistryNotReady
when startingrunserver
(:ticket:`25510`). This regression appeared in 1.8.5 as a side effect of fixing :ticket:`24704` and by mistake the fix wasn’t applied to thestable/1.9.x
branch. - Fixed
migrate --fake-initial
detection of many-to-many tables (:ticket:`25922`). - Restored the functionality of the admin’s
list_editable
add and change buttons (:ticket:`25903`). - Fixed
isnull
query lookup forForeignObject
(:ticket:`25972`). - Fixed a regression in the admin which ignored line breaks in read-only fields instead of converting them to
<br>
(:ticket:`25465`). - Fixed incorrect object reference in
SingleObjectMixin.get_context_object_name()
(:ticket:`26006`). - Made
loaddata
skip disabling and enabling database constraints when it doesn’t load any fixtures (:ticket:`23372`). - Restored
contrib.auth
hashers compatibility with py-bcrypt (:ticket:`26016`). - Fixed a crash in
QuerySet.values()/values_list()
after anannotate()
andorder_by()
whenvalues()/values_list()
includes a field not in theorder_by()
(:ticket:`25316`).