diff -r 48c4eec2b7e6 -r 8c2e4d02f4ef wp/wp-includes/class-wp-block-patterns-registry.php
--- a/wp/wp-includes/class-wp-block-patterns-registry.php	Fri Sep 05 18:40:08 2025 +0200
+++ b/wp/wp-includes/class-wp-block-patterns-registry.php	Fri Sep 05 18:52:52 2025 +0200
@@ -159,31 +159,6 @@
 	}
 
 	/**
-	 * Prepares the content of a block pattern. If hooked blocks are registered, they get injected into the pattern,
-	 * when they met the defined criteria.
-	 *
-	 * @since 6.4.0
-	 *
-	 * @param array $pattern       Registered pattern properties.
-	 * @param array $hooked_blocks The list of hooked blocks.
-	 * @return string The content of the block pattern.
-	 */
-	private function prepare_content( $pattern, $hooked_blocks ) {
-		$content = $pattern['content'];
-
-		$before_block_visitor = '_inject_theme_attribute_in_template_part_block';
-		$after_block_visitor  = null;
-		if ( ! empty( $hooked_blocks ) || has_filter( 'hooked_block_types' ) ) {
-			$before_block_visitor = make_before_block_visitor( $hooked_blocks, $pattern, 'insert_hooked_blocks_and_set_ignored_hooked_blocks_metadata' );
-			$after_block_visitor  = make_after_block_visitor( $hooked_blocks, $pattern, 'insert_hooked_blocks_and_set_ignored_hooked_blocks_metadata' );
-		}
-		$blocks  = parse_blocks( $content );
-		$content = traverse_and_serialize_blocks( $blocks, $before_block_visitor, $after_block_visitor );
-
-		return $content;
-	}
-
-	/**
 	 * Retrieves the content of a registered block pattern.
 	 *
 	 * @since 6.5.0
@@ -221,8 +196,12 @@
 		}
 
 		$pattern            = $this->registered_patterns[ $pattern_name ];
-		$pattern['content'] = $this->get_content( $pattern_name );
-		$pattern['content'] = $this->prepare_content( $pattern, get_hooked_blocks() );
+		$content            = $this->get_content( $pattern_name );
+		$pattern['content'] = apply_block_hooks_to_content(
+			$content,
+			$pattern,
+			'insert_hooked_blocks_and_set_ignored_hooked_blocks_metadata'
+		);
 
 		return $pattern;
 	}
@@ -243,8 +222,12 @@
 		$hooked_blocks = get_hooked_blocks();
 
 		foreach ( $patterns as $index => $pattern ) {
-			$pattern['content']            = $this->get_content( $pattern['name'], $outside_init_only );
-			$patterns[ $index ]['content'] = $this->prepare_content( $pattern, $hooked_blocks );
+			$content                       = $this->get_content( $pattern['name'], $outside_init_only );
+			$patterns[ $index ]['content'] = apply_block_hooks_to_content(
+				$content,
+				$pattern,
+				'insert_hooked_blocks_and_set_ignored_hooked_blocks_metadata'
+			);
 		}
 
 		return array_values( $patterns );