diff --git a/user_guide_src/source/changelogs/index.rst b/user_guide_src/source/changelogs/index.rst
index fcdbccdf13fb..daaff12022ce 100644
--- a/user_guide_src/source/changelogs/index.rst
+++ b/user_guide_src/source/changelogs/index.rst
@@ -13,6 +13,7 @@ See all the changes.
     :titlesonly:
 
     v4.4.0
+    v4.3.7
     v4.3.6
     v4.3.5
     v4.3.4
diff --git a/user_guide_src/source/changelogs/v4.3.7.rst b/user_guide_src/source/changelogs/v4.3.7.rst
new file mode 100644
index 000000000000..b167c0c48dcf
--- /dev/null
+++ b/user_guide_src/source/changelogs/v4.3.7.rst
@@ -0,0 +1,29 @@
+Version 4.3.7
+#############
+
+Release Date: Unreleased
+
+**4.3.7 release of CodeIgniter4**
+
+.. contents::
+    :local:
+    :depth: 3
+
+BREAKING
+********
+
+Message Changes
+***************
+
+Changes
+*******
+
+Deprecations
+************
+
+Bugs Fixed
+**********
+
+See the repo's
+`CHANGELOG.md <https://github.com/codeigniter4/CodeIgniter4/blob/develop/CHANGELOG.md>`_
+for a complete list of bugs fixed.
diff --git a/user_guide_src/source/installation/upgrade_437.rst b/user_guide_src/source/installation/upgrade_437.rst
new file mode 100644
index 000000000000..36cac74545d7
--- /dev/null
+++ b/user_guide_src/source/installation/upgrade_437.rst
@@ -0,0 +1,50 @@
+#############################
+Upgrading from 4.3.6 to 4.3.7
+#############################
+
+Please refer to the upgrade instructions corresponding to your installation method.
+
+- :ref:`Composer Installation App Starter Upgrading <app-starter-upgrading>`
+- :ref:`Composer Installation Adding CodeIgniter4 to an Existing Project Upgrading <adding-codeigniter4-upgrading>`
+- :ref:`Manual Installation Upgrading <installing-manual-upgrading>`
+
+.. contents::
+    :local:
+    :depth: 2
+
+Mandatory File Changes
+**********************
+
+Breaking Changes
+****************
+
+Breaking Enhancements
+*********************
+
+Project Files
+*************
+
+Some files in the **project space** (root, app, public, writable) received updates. Due to
+these files being outside of the **system** scope they will not be changed without your intervention.
+
+There are some third-party CodeIgniter modules available to assist with merging changes to
+the project space: `Explore on Packagist <https://packagist.org/explore/?query=codeigniter4%20updates>`_.
+
+Content Changes
+===============
+
+The following files received significant changes (including deprecations or visual adjustments)
+and it is recommended that you merge the updated versions with your application:
+
+Config
+------
+
+- @TODO
+
+All Changes
+===========
+
+This is a list of all files in the **project space** that received changes;
+many will be simple comments or formatting that have no effect on the runtime:
+
+- @TODO
diff --git a/user_guide_src/source/installation/upgrading.rst b/user_guide_src/source/installation/upgrading.rst
index 061efc445c55..0b191070b884 100644
--- a/user_guide_src/source/installation/upgrading.rst
+++ b/user_guide_src/source/installation/upgrading.rst
@@ -17,6 +17,7 @@ See also :doc:`./backward_compatibility_notes`.
     backward_compatibility_notes
 
     upgrade_440
+    upgrade_437
     upgrade_436
     upgrade_435
     upgrade_434
diff --git a/user_guide_src/source/libraries/sessions.rst b/user_guide_src/source/libraries/sessions.rst
index cc33b5ad2f67..ade17a68eeff 100644
--- a/user_guide_src/source/libraries/sessions.rst
+++ b/user_guide_src/source/libraries/sessions.rst
@@ -583,6 +583,9 @@ However, there are some conditions that must be met:
 Configure DatabaseHandler
 -------------------------
 
+Setting Table Name
+^^^^^^^^^^^^^^^^^^
+
 In order to use the 'DatabaseHandler' session driver, you must also create this
 table that we already mentioned and then set it as your
 ``$savePath`` value.
@@ -591,6 +594,9 @@ you would do this:
 
 .. literalinclude:: sessions/039.php
 
+Creating Database Table
+^^^^^^^^^^^^^^^^^^^^^^^
+
 And then of course, create the database table ...
 
 For MySQL::
@@ -618,6 +624,9 @@ For PostgreSQL::
     and the session ID and a delimiter. It should be increased as needed, for example,
     when using long session IDs.
 
+Adding Primary Key
+^^^^^^^^^^^^^^^^^^
+
 You will also need to add a PRIMARY KEY **depending on your $matchIP
 setting**. The examples below work both on MySQL and PostgreSQL::
 
@@ -630,11 +639,23 @@ setting**. The examples below work both on MySQL and PostgreSQL::
     // To drop a previously created primary key (use when changing the setting)
     ALTER TABLE ci_sessions DROP PRIMARY KEY;
 
-You can choose the Database group to use by adding a new line to the
-**app/Config/Session.php** file with the name of the group to use:
+.. important:: If you don't add the correct primary key, the following error
+    may occur::
+
+        Uncaught mysqli_sql_exception: Duplicate entry 'ci_session:***' for key 'ci_sessions.PRIMARY'
+
+Changing Database Group
+^^^^^^^^^^^^^^^^^^^^^^^
+
+The default database group is used by default.
+You can change the database group to use by changing the ``$DBGroup`` property
+in the **app/Config/Session.php** file to the name of the group to use:
 
 .. literalinclude:: sessions/040.php
 
+Setting Up Database Table with Command
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
 If you'd rather not do all of this by hand, you can use the ``make:migration --session`` command
 from the cli to generate a migration file for you::
 
diff --git a/user_guide_src/source/libraries/sessions/040.php b/user_guide_src/source/libraries/sessions/040.php
index 9ae54d0b6968..386c83a0293b 100644
--- a/user_guide_src/source/libraries/sessions/040.php
+++ b/user_guide_src/source/libraries/sessions/040.php
@@ -9,6 +9,4 @@ class Session extends BaseConfig
 {
     // ...
     public ?string $DBGroup = 'groupName';
-
-    // ...
 }