diff -r be944660c56a -r 3d72ae0968f4 wp/wp-includes/class-wp-customize-panel.php
--- a/wp/wp-includes/class-wp-customize-panel.php	Wed Sep 21 18:19:35 2022 +0200
+++ b/wp/wp-includes/class-wp-customize-panel.php	Tue Sep 27 16:37:53 2022 +0200
@@ -56,7 +56,7 @@
 	 * Priority of the panel, defining the display order of panels and sections.
 	 *
 	 * @since 4.0.0
-	 * @var integer
+	 * @var int
 	 */
 	public $priority = 160;
 
@@ -232,10 +232,11 @@
 	 * feature support required by the panel.
 	 *
 	 * @since 4.0.0
+	 * @since 5.9.0 Method was marked non-final.
 	 *
 	 * @return bool False if theme doesn't support the panel or the user doesn't have the capability.
 	 */
-	final public function check_capabilities() {
+	public function check_capabilities() {
 		if ( $this->capability && ! current_user_can( $this->capability ) ) {
 			return false;
 		}
@@ -275,7 +276,7 @@
 		 *
 		 * @since 4.0.0
 		 *
-		 * @param WP_Customize_Panel $this WP_Customize_Panel instance.
+		 * @param WP_Customize_Panel $panel WP_Customize_Panel instance.
 		 */
 		do_action( 'customize_render_panel', $this );