diff -r 34716fd837a4 -r be944660c56a wp/wp-includes/widgets/class-wp-widget-pages.php
--- a/wp/wp-includes/widgets/class-wp-widget-pages.php	Tue Dec 15 15:52:01 2020 +0100
+++ b/wp/wp-includes/widgets/class-wp-widget-pages.php	Wed Sep 21 18:19:35 2022 +0200
@@ -26,6 +26,7 @@
 			'classname'                   => 'widget_pages',
 			'description'                 => __( 'A list of your site’s Pages.' ),
 			'customize_selective_refresh' => true,
+			'show_instance_in_rest'       => true,
 		);
 		parent::__construct( 'pages', __( 'Pages' ), $widget_ops );
 	}
@@ -61,7 +62,7 @@
 			$sortby = 'menu_order, post_title';
 		}
 
-		$out = wp_list_pages(
+		$output = wp_list_pages(
 			/**
 			 * Filters the arguments for the Pages widget.
 			 *
@@ -85,7 +86,7 @@
 			)
 		);
 
-		if ( ! empty( $out ) ) {
+		if ( ! empty( $output ) ) {
 			echo $args['before_widget'];
 			if ( $title ) {
 				echo $args['before_title'] . $title . $args['after_title'];
@@ -105,7 +106,7 @@
 			?>
 
 			<ul>
-				<?php echo $out; ?>
+				<?php echo $output; ?>
 			</ul>
 
 			<?php