diff -r 7b1b88e27a20 -r 48c4eec2b7e6 wp/wp-includes/blocks/button/block.json
--- a/wp/wp-includes/blocks/button/block.json	Thu Sep 29 08:06:27 2022 +0200
+++ b/wp/wp-includes/blocks/button/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/button",
 	"title": "Button",
 	"category": "design",
@@ -9,34 +9,51 @@
 	"keywords": [ "link" ],
 	"textdomain": "default",
 	"attributes": {
+		"tagName": {
+			"type": "string",
+			"enum": [ "a", "button" ],
+			"default": "a"
+		},
+		"type": {
+			"type": "string",
+			"default": "button"
+		},
+		"textAlign": {
+			"type": "string"
+		},
 		"url": {
 			"type": "string",
 			"source": "attribute",
 			"selector": "a",
-			"attribute": "href"
+			"attribute": "href",
+			"__experimentalRole": "content"
 		},
 		"title": {
 			"type": "string",
 			"source": "attribute",
-			"selector": "a",
-			"attribute": "title"
+			"selector": "a,button",
+			"attribute": "title",
+			"__experimentalRole": "content"
 		},
 		"text": {
-			"type": "string",
-			"source": "html",
-			"selector": "a"
+			"type": "rich-text",
+			"source": "rich-text",
+			"selector": "a,button",
+			"__experimentalRole": "content"
 		},
 		"linkTarget": {
 			"type": "string",
 			"source": "attribute",
 			"selector": "a",
-			"attribute": "target"
+			"attribute": "target",
+			"__experimentalRole": "content"
 		},
 		"rel": {
 			"type": "string",
 			"source": "attribute",
 			"selector": "a",
-			"attribute": "rel"
+			"attribute": "rel",
+			"__experimentalRole": "content"
 		},
 		"placeholder": {
 			"type": "string"
@@ -56,7 +73,8 @@
 	},
 	"supports": {
 		"anchor": true,
-		"align": true,
+		"splitting": true,
+		"align": false,
 		"alignWide": false,
 		"color": {
 			"__experimentalSkipSerialization": true,
@@ -68,12 +86,21 @@
 		},
 		"typography": {
 			"fontSize": true,
+			"lineHeight": true,
 			"__experimentalFontFamily": true,
+			"__experimentalFontWeight": true,
+			"__experimentalFontStyle": true,
+			"__experimentalTextTransform": true,
+			"__experimentalTextDecoration": true,
+			"__experimentalLetterSpacing": true,
 			"__experimentalDefaultControls": {
 				"fontSize": true
 			}
 		},
 		"reusable": false,
+		"shadow": {
+			"__experimentalSkipSerialization": true
+		},
 		"spacing": {
 			"__experimentalSkipSerialization": true,
 			"padding": [ "horizontal", "vertical" ],
@@ -82,13 +109,22 @@
 			}
 		},
 		"__experimentalBorder": {
+			"color": true,
 			"radius": true,
+			"style": true,
+			"width": true,
 			"__experimentalSkipSerialization": true,
 			"__experimentalDefaultControls": {
-				"radius": true
+				"color": true,
+				"radius": true,
+				"style": true,
+				"width": true
 			}
 		},
-		"__experimentalSelector": ".wp-block-button__link"
+		"__experimentalSelector": ".wp-block-button .wp-block-button__link",
+		"interactivity": {
+			"clientNavigation": true
+		}
 	},
 	"styles": [
 		{ "name": "fill", "label": "Fill", "isDefault": true },