django/django

==========================
Django 3.1.3 release notes
==========================

*November 2, 2020*

Django 3.1.3 fixes several bugs in 3.1.2 and adds compatibility with Python
3.9.

Bugfixes
========

* Fixed a regression in Django 3.1.2 that caused the incorrect height of the
  admin changelist search bar (:ticket:`32072`).

* Fixed a regression in Django 3.1.2 that caused the incorrect width of the
  admin changelist search bar on a filtered page (:ticket:`32091`).

* Fixed displaying Unicode characters in
  :class:`forms.JSONField <django.forms.JSONField>` and read-only
  :class:`models.JSONField <django.db.models.JSONField>` values in the admin
  (:ticket:`32080`).

* Fixed a regression in Django 3.1 that caused a crash of
  :class:`~django.contrib.postgres.aggregates.ArrayAgg` and
  :class:`~django.contrib.postgres.aggregates.StringAgg` with ``ordering``
  on key transforms for :class:`~django.db.models.JSONField` (:ticket:`32096`).

* Fixed a regression in Django 3.1 that caused a crash of ``__in`` lookup when
  using key transforms for :class:`~django.db.models.JSONField` in the lookup
  value (:ticket:`32096`).

* Fixed a regression in Django 3.1 that caused a crash of
  :class:`~django.db.models.ExpressionWrapper` with key transforms for
  :class:`~django.db.models.JSONField` (:ticket:`32096`).

* Fixed a regression in Django 3.1 that caused a migrations crash on PostgreSQL
  when adding an
  :class:`~django.contrib.postgres.constraints.ExclusionConstraint` with key
  transforms for :class:`~django.db.models.JSONField` in ``expressions``
  (:ticket:`32096`).

* Fixed a regression in Django 3.1 where
  :exc:`ProtectedError.protected_objects <django.db.models.ProtectedError>` and
  :exc:`RestrictedError.restricted_objects <django.db.models.RestrictedError>`
  attributes returned iterators instead of :py:class:`set` of objects
  (:ticket:`32107`).

* Fixed a regression in Django 3.1.2 that caused incorrect form input layout on
  small screens in the admin change form view (:ticket:`32069`).

* Fixed a regression in Django 3.1 that invalidated pre-Django 3.1 password
  reset tokens (:ticket:`32130`).

* Added support for ``asgiref`` 3.3 (:ticket:`32128`).

* Fixed a regression in Django 3.1 that caused incorrect textarea layout on
  medium-sized screens in the admin change form view with the sidebar open
  (:ticket:`32127`).

* Fixed a regression in Django 3.0.7 that didn't use ``Subquery()`` aliases in
  the ``GROUP BY`` clause (:ticket:`32152`).