Ticket #45202: 45202.2.diff

wp-admin/update-core.php

@@ -196 +196 @@
                         }
                 }
                 echo '</h2>';
-        } else {
+        }
+
+        if ( isset( $updates[0]->version ) && version_compare( $updates[0]->version, $wp_version, '>' ) ) {
                 echo '<div class="notice notice-warning"><p>';
                 _e( '<strong>Important:</strong> Before updating, please <a href="https://codex.wordpress.org/WordPress_Backups">back up your database and files</a>. For help with updates, visit the <a href="https://codex.wordpress.org/Updating_WordPress">Updating WordPress</a> Codex page.' );
                 echo '</p></div>';