django/docs/releases/4.0.txt

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============================================
Django 4.0 release notes - UNDER DEVELOPMENT
============================================
*Expected December 2021*
Welcome to Django 4.0!
These release notes cover the :ref:`new features <whats-new-4.0>`, as well as
some :ref:`backwards incompatible changes <backwards-incompatible-4.0>` you'll
want to be aware of when upgrading from Django 3.2 or earlier. We've
:ref:`begun the deprecation process for some features
<deprecated-features-4.0>`.
See the :doc:`/howto/upgrade-version` guide if you're updating an existing
project.
Python compatibility
====================
Django 4.0 supports Python 3.8, 3.9, and 3.10. We **highly recommend** and only
officially support the latest release of each series.
.. _whats-new-4.0:
What's new in Django 4.0
========================
Minor features
--------------
:mod:`django.contrib.admin`
~~~~~~~~~~~~~~~~~~~~~~~~~~~
* ...
:mod:`django.contrib.admindocs`
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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:mod:`django.contrib.auth`
~~~~~~~~~~~~~~~~~~~~~~~~~~
* ...
:mod:`django.contrib.contenttypes`
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* ...
:mod:`django.contrib.gis`
~~~~~~~~~~~~~~~~~~~~~~~~~
* ...
:mod:`django.contrib.messages`
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* ...
:mod:`django.contrib.postgres`
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* ...
:mod:`django.contrib.redirects`
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* ...
:mod:`django.contrib.sessions`
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* ...
:mod:`django.contrib.sitemaps`
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* ...
:mod:`django.contrib.sites`
~~~~~~~~~~~~~~~~~~~~~~~~~~~
* ...
:mod:`django.contrib.staticfiles`
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* ...
:mod:`django.contrib.syndication`
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* ...
Cache
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CSRF
~~~~
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Decorators
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Email
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Error Reporting
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File Storage
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File Uploads
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Forms
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Generic Views
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Internationalization
~~~~~~~~~~~~~~~~~~~~
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Logging
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Management Commands
~~~~~~~~~~~~~~~~~~~
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Migrations
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Models
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Requests and Responses
~~~~~~~~~~~~~~~~~~~~~~
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Security
~~~~~~~~
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Serialization
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Signals
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Templates
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Tests
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URLs
~~~~
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Utilities
~~~~~~~~~
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Validators
~~~~~~~~~~
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.. _backwards-incompatible-4.0:
Backwards incompatible changes in 4.0
=====================================
Database backend API
--------------------
This section describes changes that may be needed in third-party database
backends.
* ...
Miscellaneous
-------------
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.. _deprecated-features-4.0:
Features deprecated in 4.0
==========================
Miscellaneous
-------------
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Features removed in 4.0
=======================
These features have reached the end of their deprecation cycle and are removed
in Django 4.0.
See :ref:`deprecated-features-3.0` for details on these changes, including how
to remove usage of these features.
* ``django.utils.http.urlquote()``, ``urlquote_plus()``, ``urlunquote()``, and
``urlunquote_plus()`` are removed.
* ``django.utils.encoding.force_text()`` and ``smart_text()`` are removed.
See :ref:`deprecated-features-3.1` for details on these changes, including how
to remove usage of these features.
* ...