--- a/wp/wp-admin/includes/update.php	Fri Sep 05 18:40:08 2025 +0200
+++ b/wp/wp-admin/includes/update.php	Fri Sep 05 18:52:52 2025 +0200
@@ -264,10 +264,7 @@
 		$cur->response = '';
 	}
 
-	// Include an unmodified $wp_version.
-	require ABSPATH . WPINC . '/version.php';
-
-	$is_development_version = preg_match( '/alpha|beta|RC/', $wp_version );
+	$is_development_version = preg_match( '/alpha|beta|RC/', wp_get_wp_version() );
 
 	if ( $is_development_version ) {
 		return sprintf(
@@ -404,7 +401,7 @@
  *
  * @since 2.9.0
  *
- * @return array
+ * @return object[]
  */
 function get_plugin_updates() {
 	$all_plugins     = get_plugins();
@@ -627,7 +624,7 @@
  *
  * @since 2.9.0
  *
- * @return array
+ * @return WP_Theme[]
  */
 function get_theme_updates() {
 	$current = get_site_transient( 'update_themes' );
@@ -854,8 +851,6 @@
  * @return void|false
  */
 function maintenance_nag() {
-	// Include an unmodified $wp_version.
-	require ABSPATH . WPINC . '/version.php';
 	global $upgrading;
 
 	$nag = isset( $upgrading );
@@ -873,7 +868,7 @@
 		 * This flag is cleared whenever a successful update occurs using Core_Upgrader.
 		 */
 		$comparison = ! empty( $failed['critical'] ) ? '>=' : '>';
-		if ( isset( $failed['attempted'] ) && version_compare( $failed['attempted'], $wp_version, $comparison ) ) {
+		if ( isset( $failed['attempted'] ) && version_compare( $failed['attempted'], wp_get_wp_version(), $comparison ) ) {
 			$nag = true;
 		}
 	}