diff -r 7b1b88e27a20 -r 48c4eec2b7e6 wp/wp-includes/blocks/navigation-submenu/block.json
--- a/wp/wp-includes/blocks/navigation-submenu/block.json	Thu Sep 29 08:06:27 2022 +0200
+++ b/wp/wp-includes/blocks/navigation-submenu/block.json	Fri Sep 05 18:40:08 2025 +0200
@@ -1,6 +1,6 @@
 {
 	"$schema": "https://schemas.wp.org/trunk/block.json",
-	"apiVersion": 2,
+	"apiVersion": 3,
 	"name": "core/navigation-submenu",
 	"title": "Submenu",
 	"category": "design",
@@ -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"