diff --git a/doc/classes/SubViewport.xml b/doc/classes/SubViewport.xml
new file mode 100644
index 0000000000..561e5d1a15
--- /dev/null
+++ b/doc/classes/SubViewport.xml
@@ -0,0 +1,51 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/editor/icons/SubViewport.svg b/editor/icons/SubViewport.svg
new file mode 100644
index 0000000000..103b1006ad
--- /dev/null
+++ b/editor/icons/SubViewport.svg
@@ -0,0 +1 @@
+
\ No newline at end of file
diff --git a/scene/register_scene_types.cpp b/scene/register_scene_types.cpp
index e73e560656..22c000fae7 100644
--- a/scene/register_scene_types.cpp
+++ b/scene/register_scene_types.cpp
@@ -270,6 +270,7 @@ void register_scene_types() {
ClassDB::register_virtual_class();
ClassDB::register_virtual_class();
+ ClassDB::register_class();
ClassDB::register_class();
ClassDB::register_class();
ClassDB::register_class();