diff -r be944660c56a -r 3d72ae0968f4 wp/wp-includes/SimplePie/Registry.php
--- a/wp/wp-includes/SimplePie/Registry.php	Wed Sep 21 18:19:35 2022 +0200
+++ b/wp/wp-includes/SimplePie/Registry.php	Tue Sep 27 16:37:53 2022 +0200
@@ -208,7 +208,8 @@
 			{
 				case 'Cache':
 					// For backwards compatibility with old non-static
-					// Cache::create() methods
+					// Cache::create() methods in PHP < 8.0.
+					// No longer supported as of PHP 8.0.
 					if ($method === 'get_handler')
 					{
 						$result = @call_user_func_array(array($class, 'create'), $parameters);