diff --git a/modules/acquia_cms_common/acquia_cms_common.install b/modules/acquia_cms_common/acquia_cms_common.install
index d9b08c3e7..a4edc1219 100644
--- a/modules/acquia_cms_common/acquia_cms_common.install
+++ b/modules/acquia_cms_common/acquia_cms_common.install
@@ -319,3 +319,32 @@ function acquia_cms_common_update_9331() {
     \Drupal::state()->delete('acquia_connector.telemetry.opted');
   }
 }
+
+/**
+ * Implements hook_update_N().
+ *
+ *  Update editor format filter.
+ */
+function acquia_cms_common_update_9332() {
+  $configs = [
+    'editor.editor.filtered_html',
+    'editor.editor.full_html',
+  ];
+
+  $config_data = [
+    'settings.plugins.ckeditor5_list' => [
+      'properties' => [
+        'reversed' => FALSE,
+        'startIndex' => TRUE,
+      ],
+    ],
+    'image_upload' => [
+      'status' => FALSE,
+    ],
+  ];
+
+  // Iterate the configurations to update the key.
+  foreach ($configs as $config) {
+    _acquia_cms_common_update_page_configurations($config, $config_data);
+  }
+}
diff --git a/modules/acquia_cms_common/config/optional/editor.editor.filtered_html.yml b/modules/acquia_cms_common/config/optional/editor.editor.filtered_html.yml
index 33cff3ab0..5a0547590 100644
--- a/modules/acquia_cms_common/config/optional/editor.editor.filtered_html.yml
+++ b/modules/acquia_cms_common/config/optional/editor.editor.filtered_html.yml
@@ -54,8 +54,9 @@ settings:
         - '<h5 id>'
         - '<h6 id>'
     ckeditor5_list:
-      reversed: false
-      startIndex: true
+      properties:
+        reversed: false
+        startIndex: true
     ckeditor5_alignment:
       enabled_alignments:
         - left
@@ -66,9 +67,3 @@ settings:
       allow_view_mode_override: false
 image_upload:
   status: false
-  scheme: public
-  directory: inline-images
-  max_size: ''
-  max_dimensions:
-    width: null
-    height: null
diff --git a/modules/acquia_cms_common/config/optional/editor.editor.full_html.yml b/modules/acquia_cms_common/config/optional/editor.editor.full_html.yml
index faa52db4b..89aa42ec6 100644
--- a/modules/acquia_cms_common/config/optional/editor.editor.full_html.yml
+++ b/modules/acquia_cms_common/config/optional/editor.editor.full_html.yml
@@ -58,8 +58,9 @@ settings:
         - '<h5 id>'
         - '<h6 id>'
     ckeditor5_list:
-      reversed: false
-      startIndex: true
+      properties:
+        reversed: false
+        startIndex: true
     ckeditor5_alignment:
       enabled_alignments:
         - left
@@ -70,9 +71,3 @@ settings:
       allow_view_mode_override: false
 image_upload:
   status: false
-  scheme: public
-  directory: inline-images
-  max_size: ''
-  max_dimensions:
-    width: null
-    height: null
diff --git a/modules/acquia_cms_common/modules/acquia_cms_support/tests/src/Functional/AcquiaCmsConfigSyncTest.php b/modules/acquia_cms_common/modules/acquia_cms_support/tests/src/Functional/AcquiaCmsConfigSyncTest.php
index e875eea21..502a63a1a 100644
--- a/modules/acquia_cms_common/modules/acquia_cms_support/tests/src/Functional/AcquiaCmsConfigSyncTest.php
+++ b/modules/acquia_cms_common/modules/acquia_cms_support/tests/src/Functional/AcquiaCmsConfigSyncTest.php
@@ -112,8 +112,6 @@ public function testAcquiaConfigSyncOverriddenPage() {
     $assert_session->pageTextContains('Operations');
 
     // Assert overridden configurations exists.
-    $assert_session->pageTextContains('editor.editor.filtered_html');
-    $assert_session->pageTextContains('editor.editor.full_html');
     $assert_session->pageTextContains('taxonomy.vocabulary.tags');
 
     // Assert that unchanged configuration does not appear on overridden tab.
@@ -138,8 +136,6 @@ public function testAcquiaConfigSyncOverriddenPage() {
     $assert_session->pageTextContains('user.role.administrator');
 
     // Assert that overridden configuration does not appear on unchanged tab.
-    $assert_session->pageTextNotContains('editor.editor.filtered_html');
-    $assert_session->pageTextNotContains('editor.editor.full_html');
     $assert_session->pageTextNotContains('taxonomy.vocabulary.tags');
   }
 
diff --git a/modules/acquia_cms_site_studio/acquia_cms_site_studio.install b/modules/acquia_cms_site_studio/acquia_cms_site_studio.install
index d2de7a7ab..7b39ed171 100644
--- a/modules/acquia_cms_site_studio/acquia_cms_site_studio.install
+++ b/modules/acquia_cms_site_studio/acquia_cms_site_studio.install
@@ -449,3 +449,21 @@ function acquia_cms_site_studio_update_9000() {
   // Set default node revision delete settings shipped by Acquia CMS.
   $config_handler->processConfigSettings($default_settings);
 }
+
+/**
+ * Implements hook_update_N().
+ *
+ *  Update site-studio editor format filter.
+ */
+function acquia_cms_site_studio_update_9001() {
+  $config_data = [
+    'settings.plugins.ckeditor5_list' => [
+      'properties' => [
+        'reversed' => TRUE,
+        'startIndex' => TRUE,
+      ],
+    ],
+  ];
+
+  _acquia_cms_common_update_page_configurations('editor.editor.cohesion', $config_data);
+}
diff --git a/modules/acquia_cms_site_studio/config/optional/editor.editor.cohesion.yml b/modules/acquia_cms_site_studio/config/optional/editor.editor.cohesion.yml
index 967e1917d..6839cdc7b 100644
--- a/modules/acquia_cms_site_studio/config/optional/editor.editor.cohesion.yml
+++ b/modules/acquia_cms_site_studio/config/optional/editor.editor.cohesion.yml
@@ -344,8 +344,9 @@ settings:
     ckeditor5_sourceEditing:
       allowed_tags: {  }
     ckeditor5_list:
-      reversed: true
-      startIndex: true
+      properties:
+        reversed: true
+        startIndex: true
     ckeditor5_alignment:
       enabled_alignments:
         - left