diff -r 34716fd837a4 -r be944660c56a wp/wp-includes/default-constants.php
--- a/wp/wp-includes/default-constants.php	Tue Dec 15 15:52:01 2020 +0100
+++ b/wp/wp-includes/default-constants.php	Wed Sep 21 18:19:35 2022 +0200
@@ -16,7 +16,7 @@
  * @global string $wp_version The WordPress version string.
  */
 function wp_initial_constants() {
-	global $blog_id;
+	global $blog_id, $wp_version;
 
 	/**#@+
 	 * Constants for expressing human-readable data sizes in their respective number of bytes.
@@ -99,8 +99,8 @@
 	// Add define( 'SCRIPT_DEBUG', true ); to wp-config.php to enable loading of non-minified,
 	// non-concatenated scripts and stylesheets.
 	if ( ! defined( 'SCRIPT_DEBUG' ) ) {
-		if ( ! empty( $GLOBALS['wp_version'] ) ) {
-			$develop_src = false !== strpos( $GLOBALS['wp_version'], '-src' );
+		if ( ! empty( $wp_version ) ) {
+			$develop_src = false !== strpos( $wp_version, '-src' );
 		} else {
 			$develop_src = false;
 		}
@@ -409,7 +409,7 @@
 	 * @see WP_Theme::get_core_default_theme()
 	 */
 	if ( ! defined( 'WP_DEFAULT_THEME' ) ) {
-		define( 'WP_DEFAULT_THEME', 'twentytwenty' );
+		define( 'WP_DEFAULT_THEME', 'twentytwentyone' );
 	}
 
 }