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Django 3.1.4 release notes

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*December 1, 2020*

Django 3.1.4 fixes several bugs in 3.1.3.

Bugfixes

========

* Fixed setting the ``Content-Length`` HTTP header in ``AsyncRequestFactory``

  (:ticket:`32162`).

* Fixed passing extra HTTP headers to ``AsyncRequestFactory`` request methods

  (:ticket:`32159`).

* Fixed crash of key transforms for :class:`~django.db.models.JSONField` on

  PostgreSQL when using on a ``Subquery()`` annotation (:ticket:`32182`).

* Fixed a regression in Django 3.1 that caused a crash of auto-reloader for

  certain invocations of ``runserver`` on Windows with Python 3.7 and below

  (:ticket:`32202`).

* Fixed a regression in Django 3.1 that caused the incorrect grouping by a

  ``Q`` object annotation (:ticket:`32200`).

* Fixed a regression in Django 3.1 that caused suppressing connection errors

  when :class:`~django.db.models.JSONField` is used on SQLite

  (:ticket:`32224`).

* Fixed a crash on SQLite, when ``QuerySet.values()/values_list()`` contained

  key transforms for :class:`~django.db.models.JSONField` returning non-string

  primitive values (:ticket:`32203`).