diff -r 48c4eec2b7e6 -r 8c2e4d02f4ef wp/wp-includes/blocks/comment-content/block.json
--- a/wp/wp-includes/blocks/comment-content/block.json	Fri Sep 05 18:40:08 2025 +0200
+++ b/wp/wp-includes/blocks/comment-content/block.json	Fri Sep 05 18:52:52 2025 +0200
@@ -35,6 +35,18 @@
 				"fontSize": true
 			}
 		},
+		"__experimentalBorder": {
+			"radius": true,
+			"color": true,
+			"width": true,
+			"style": true,
+			"__experimentalDefaultControls": {
+				"radius": true,
+				"color": true,
+				"width": true,
+				"style": true
+			}
+		},
 		"spacing": {
 			"padding": [ "horizontal", "vertical" ],
 			"__experimentalDefaultControls": {
@@ -42,5 +54,6 @@
 			}
 		},
 		"html": false
-	}
+	},
+	"style": "wp-block-comment-content"
 }