5 files changed, 8 insertions, 5 deletions
diff --git a/wp-includes/blocks/navigation-submenu/block.json b/wp-includes/blocks/navigation-submenu/block.json
index 9136410..0bcf8a1 100644
--- a/wp-includes/blocks/navigation-submenu/block.json
+++ b/wp-includes/blocks/navigation-submenu/block.json
@@ -58,7 +58,10 @@
 	],
 	"supports": {
 		"reusable": false,
-		"html": false
+		"html": false,
+		"interactivity": {
+			"clientNavigation": true
+		}
 	},
 	"editorStyle": "wp-block-navigation-submenu-editor",
 	"style": "wp-block-navigation-submenu"
diff --git a/wp-includes/blocks/navigation-submenu/editor-rtl.css b/wp-includes/blocks/navigation-submenu/editor-rtl.css
index e13b9ba..950661e 100644
--- a/wp-includes/blocks/navigation-submenu/editor-rtl.css
+++ b/wp-includes/blocks/navigation-submenu/editor-rtl.css
@@ -20,7 +20,7 @@
     top:-1px;
   }
   .wp-block-navigation-submenu.has-child-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container:before,.wp-block-navigation-submenu.is-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container:before{
-    background:transparent;
+    background:#0000;
     content:"";
     display:block;
     height:100%;
diff --git a/wp-includes/blocks/navigation-submenu/editor-rtl.min.css b/wp-includes/blocks/navigation-submenu/editor-rtl.min.css
index 85f8d79..f34e77a 100644
--- a/wp-includes/blocks/navigation-submenu/editor-rtl.min.css
+++ b/wp-includes/blocks/navigation-submenu/editor-rtl.min.css
@@ -1 +1 @@
-.wp-block-navigation-submenu{display:block}.wp-block-navigation-submenu .wp-block-navigation__submenu-container{z-index:28}.wp-block-navigation-submenu.has-child-selected>.wp-block-navigation__submenu-container,.wp-block-navigation-submenu.is-selected>.wp-block-navigation__submenu-container{height:auto!important;min-width:200px!important;opacity:1!important;position:absolute;right:-1px;top:100%;visibility:visible!important;width:auto!important}@media (min-width:782px){.wp-block-navigation-submenu.has-child-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container,.wp-block-navigation-submenu.is-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container{right:100%;top:-1px}.wp-block-navigation-submenu.has-child-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container:before,.wp-block-navigation-submenu.is-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container:before{background:transparent;content:"";display:block;height:100%;left:100%;position:absolute;width:.5em}}
-\ No newline at end of file
+.wp-block-navigation-submenu{display:block}.wp-block-navigation-submenu .wp-block-navigation__submenu-container{z-index:28}.wp-block-navigation-submenu.has-child-selected>.wp-block-navigation__submenu-container,.wp-block-navigation-submenu.is-selected>.wp-block-navigation__submenu-container{height:auto!important;min-width:200px!important;opacity:1!important;position:absolute;right:-1px;top:100%;visibility:visible!important;width:auto!important}@media (min-width:782px){.wp-block-navigation-submenu.has-child-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container,.wp-block-navigation-submenu.is-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container{right:100%;top:-1px}.wp-block-navigation-submenu.has-child-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container:before,.wp-block-navigation-submenu.is-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container:before{background:#0000;content:"";display:block;height:100%;left:100%;position:absolute;width:.5em}}
+\ No newline at end of file
diff --git a/wp-includes/blocks/navigation-submenu/editor.css b/wp-includes/blocks/navigation-submenu/editor.css
index 866c2d3..eb86fa4 100644
--- a/wp-includes/blocks/navigation-submenu/editor.css
+++ b/wp-includes/blocks/navigation-submenu/editor.css
@@ -20,7 +20,7 @@
     top:-1px;
   }
   .wp-block-navigation-submenu.has-child-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container:before,.wp-block-navigation-submenu.is-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container:before{
-    background:transparent;
+    background:#0000;
     content:"";
     display:block;
     height:100%;
diff --git a/wp-includes/blocks/navigation-submenu/editor.min.css b/wp-includes/blocks/navigation-submenu/editor.min.css
index e55a4d8..8ed83ed 100644
--- a/wp-includes/blocks/navigation-submenu/editor.min.css
+++ b/wp-includes/blocks/navigation-submenu/editor.min.css
@@ -1 +1 @@
-.wp-block-navigation-submenu{display:block}.wp-block-navigation-submenu .wp-block-navigation__submenu-container{z-index:28}.wp-block-navigation-submenu.has-child-selected>.wp-block-navigation__submenu-container,.wp-block-navigation-submenu.is-selected>.wp-block-navigation__submenu-container{height:auto!important;left:-1px;min-width:200px!important;opacity:1!important;position:absolute;top:100%;visibility:visible!important;width:auto!important}@media (min-width:782px){.wp-block-navigation-submenu.has-child-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container,.wp-block-navigation-submenu.is-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container{left:100%;top:-1px}.wp-block-navigation-submenu.has-child-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container:before,.wp-block-navigation-submenu.is-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container:before{background:transparent;content:"";display:block;height:100%;position:absolute;right:100%;width:.5em}}
-\ No newline at end of file
+.wp-block-navigation-submenu{display:block}.wp-block-navigation-submenu .wp-block-navigation__submenu-container{z-index:28}.wp-block-navigation-submenu.has-child-selected>.wp-block-navigation__submenu-container,.wp-block-navigation-submenu.is-selected>.wp-block-navigation__submenu-container{height:auto!important;left:-1px;min-width:200px!important;opacity:1!important;position:absolute;top:100%;visibility:visible!important;width:auto!important}@media (min-width:782px){.wp-block-navigation-submenu.has-child-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container,.wp-block-navigation-submenu.is-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container{left:100%;top:-1px}.wp-block-navigation-submenu.has-child-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container:before,.wp-block-navigation-submenu.is-selected>.wp-block-navigation__submenu-container .wp-block-navigation__submenu-container:before{background:#0000;content:"";display:block;height:100%;position:absolute;right:100%;width:.5em}}
+\ No newline at end of file