Merge branch '5.4' into 6.0

* 5.4:
  serializer: default context configuration symfony#16010
  [Form] Minor deletion
  Update form_collections.rst
  Update definition.rst
  Document by_reference option
  [HttpClient] HttpClientInterface::setResponseFactory method
  Update Monolog processors github url

components/config/definition.rst

@@ -820,7 +820,8 @@ character (``.``)::
 
     $node = $treeBuilder->buildTree();
     $children = $node->getChildren();
-    $path = $children['driver']->getPath();
+    $childChildren = $children['connection']->getChildren();
+    $path = $childChildren['driver']->getPath();
     // $path = 'database.connection.driver'
 
 Use the ``setPathSeparator()`` method on the config builder to change the path
@@ -831,7 +832,8 @@ separator::
     $treeBuilder->setPathSeparator('/');
     $node = $treeBuilder->buildTree();
     $children = $node->getChildren();
-    $path = $children['driver']->getPath();
+    $childChildren = $children['connection']->getChildren();
+    $path = $childChildren['driver']->getPath();
     // $path = 'database/connection/driver'
 
 Processing Configuration Values

form/form_collections.rst

@@ -531,7 +531,7 @@ First, add a "delete this tag" link to each tag form:
 
 .. code-block:: javascript
 
-    const tags = document.querySelectorAll('ul.tags')
+    const tags = document.querySelectorAll('ul.tags li')
     tags.forEach((tag) => {
         addTagFormDeleteLink(tag)
     })

form/form_customization.rst

@@ -268,8 +268,9 @@ Renders any errors for the given field.
 
 .. caution::
 
-    In the :ref:`error messages of Bootstrap 5 Form Theme <reference-forms-bootstrap5-error-messages>`,
-    ``form_errors()`` is already included in ``form_label()``.
+    In the Bootstrap 4 form theme, ``form_errors()`` is already included in
+    ``form_label()``. Read more about this in the
+    :ref:`Bootstrap 4 theme documentation <reference-forms-bootstrap5-error-messages>`.
 
 .. _reference-forms-twig-widget:
 

http_client.rst

@@ -1675,6 +1675,23 @@ responses dynamically when it's called::
     $client = new MockHttpClient($callback);
     $response = $client->request('...'); // calls $callback to get the response
 
+.. tip::
+
+    Instead of using the first argument, you can also set the (list of)
+    responses or callbacks using the ``setResponseFactory()`` method::
+
+        $responses = [
+            new MockResponse($body1, $info1),
+            new MockResponse($body2, $info2),
+        ];
+
+        $client = new MockHttpClient();
+        $client->setResponseFactory($responses);
+
+    .. versionadded:: 5.4
+
+        The ``setResponseFactory()`` method was introduced in Symfony 5.4.
+
 If you need to test responses with HTTP status codes different than 200,
 define the ``http_code`` option::
 

logging/processors.rst

@@ -282,4 +282,4 @@ the ``monolog.processor`` tag:
             ->addTag('monolog.processor', ['channel' => 'main']);
 
 .. _`Monolog`: https://github.com/Seldaek/monolog
-.. _`built-in Monolog processors`: https://github.com/Seldaek/monolog/tree/master/src/Monolog/Processor
+.. _`built-in Monolog processors`: https://github.com/Seldaek/monolog/tree/main/src/Monolog/Processor

reference/forms/types/entity.rst

@@ -284,6 +284,8 @@ type:
 
 .. include:: /reference/forms/types/options/attr.rst.inc
 
+.. include:: /reference/forms/types/options/by_reference.rst.inc
+
 .. include:: /reference/forms/types/options/data.rst.inc
 
 .. include:: /reference/forms/types/options/disabled.rst.inc

serializer.rst

@@ -111,6 +111,49 @@ You can pass the context as follows::
         DateTimeNormalizer::FORMAT_KEY => 'Y-m-d H:i:s',
     ]);
 
+You can also configure the default context through the framework
+configuration:
+
+.. configuration-block::
+
+    .. code-block:: yaml
+
+        # config/packages/framework.yaml
+        framework:
+            # ...
+            serializer:
+                default_context:
+                    enable_max_depth: true
+
+    .. code-block:: xml
+
+        <!-- config/packages/framework.xml -->
+        <framework:config>
+            <!-- ... -->
+            <framework:serializer>
+                <default-context enable-max-depth="true"/>
+            </framework:serializer>
+        </framework:config>
+
+    .. code-block:: php
+
+        // config/packages/framework.php
+        use Symfony\Config\FrameworkConfig;
+        use Symfony\Component\Serializer\Normalizer\AbstractObjectNormalizer;
+
+        return static function (FrameworkConfig $framework) {
+            $framework->serializer()
+                ->defaultContext([
+                    AbstractObjectNormalizer::ENABLE_MAX_DEPTH => true
+                ])
+            ;
+        };
+
+.. versionadded:: 5.4
+
+    The ability to configure the ``default_context`` option in the
+    Serializer was introduced in Symfony 5.4.
+
 .. _serializer-using-serialization-groups-annotations:
 
 Using Serialization Groups Annotations