diff -r 48c4eec2b7e6 -r 8c2e4d02f4ef wp/wp-includes/blocks/heading/block.json
--- a/wp/wp-includes/blocks/heading/block.json	Fri Sep 05 18:40:08 2025 +0200
+++ b/wp/wp-includes/blocks/heading/block.json	Fri Sep 05 18:52:52 2025 +0200
@@ -15,12 +15,15 @@
 			"type": "rich-text",
 			"source": "rich-text",
 			"selector": "h1,h2,h3,h4,h5,h6",
-			"__experimentalRole": "content"
+			"role": "content"
 		},
 		"level": {
 			"type": "number",
 			"default": 2
 		},
+		"levelOptions": {
+			"type": "array"
+		},
 		"placeholder": {
 			"type": "string"
 		}
@@ -30,6 +33,12 @@
 		"anchor": true,
 		"className": true,
 		"splitting": true,
+		"__experimentalBorder": {
+			"color": true,
+			"radius": true,
+			"style": true,
+			"width": true
+		},
 		"color": {
 			"gradients": true,
 			"link": true,