diff --git a/docs/faq/install.txt b/docs/faq/install.txt
index 1618d40c8e..716c4fb557 100644
--- a/docs/faq/install.txt
+++ b/docs/faq/install.txt
@@ -54,6 +54,7 @@ Django version Python versions
 3.0            3.6, 3.7, 3.8, 3.9 (added in 3.0.11)
 3.1            3.6, 3.7, 3.8, 3.9 (added in 3.1.3)
 3.2            3.6, 3.7, 3.8, 3.9
+4.0            3.8, 3.9, 3.10
 ============== ===============
 
 For each version of Python, only the latest micro release (A.B.C) is officially
diff --git a/docs/releases/4.0.txt b/docs/releases/4.0.txt
new file mode 100644
index 0000000000..cc8c698ba4
--- /dev/null
+++ b/docs/releases/4.0.txt
@@ -0,0 +1,254 @@
+============================================
+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`
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+* ...
+
+: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
+~~~~~
+
+* ...
+
+CSRF
+~~~~
+
+* ...
+
+Decorators
+~~~~~~~~~~
+
+* ...
+
+Email
+~~~~~
+
+* ...
+
+Error Reporting
+~~~~~~~~~~~~~~~
+
+* ...
+
+File Storage
+~~~~~~~~~~~~
+
+* ...
+
+File Uploads
+~~~~~~~~~~~~
+
+* ...
+
+Forms
+~~~~~
+
+* ...
+
+Generic Views
+~~~~~~~~~~~~~
+
+* ...
+
+Internationalization
+~~~~~~~~~~~~~~~~~~~~
+
+* ...
+
+Logging
+~~~~~~~
+
+* ...
+
+Management Commands
+~~~~~~~~~~~~~~~~~~~
+
+* ...
+
+Migrations
+~~~~~~~~~~
+
+* ...
+
+Models
+~~~~~~
+
+* ...
+
+Requests and Responses
+~~~~~~~~~~~~~~~~~~~~~~
+
+* ...
+
+Security
+~~~~~~~~
+
+* ...
+
+Serialization
+~~~~~~~~~~~~~
+
+* ...
+
+Signals
+~~~~~~~
+
+* ...
+
+Templates
+~~~~~~~~~
+
+* ...
+
+Tests
+~~~~~
+
+* ...
+
+URLs
+~~~~
+
+* ...
+
+Utilities
+~~~~~~~~~
+
+* ...
+
+Validators
+~~~~~~~~~~
+
+* ...
+
+.. _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
+-------------
+
+* ...
+
+.. _deprecated-features-4.0:
+
+Features deprecated in 4.0
+==========================
+
+Miscellaneous
+-------------
+
+* ...
+
+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.
+
+* ...
+
+See :ref:`deprecated-features-3.1` for details on these changes, including how
+to remove usage of these features.
+
+* ...
diff --git a/docs/releases/index.txt b/docs/releases/index.txt
index 457d69e034..68733d9b24 100644
--- a/docs/releases/index.txt
+++ b/docs/releases/index.txt
@@ -20,6 +20,13 @@ versions of the documentation contain the release notes for any later releases.
 
 .. _development_release_notes:
 
+4.0 release
+-----------
+.. toctree::
+   :maxdepth: 1
+
+   4.0
+
 3.2 release
 -----------
 .. toctree::