Update WordPress to latest version (6.7) - Sync WordPress core files from latest release - Updated admin interface, blocks, and core functionality - Enhanced block editor features and performance - Security updates and bug fixes - Preserved custom wp-content directory and configuration 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>

<?php
/**
 * WordPress Upgrade Functions. Old file, must not be used. Include
 * wp-admin/includes/upgrade.php instead.
 *
 * @deprecated 2.5.0
 * @package WordPress
 * @subpackage Administration
 */

_deprecated_file( basename( __FILE__ ), '2.5.0', 'wp-admin/includes/upgrade.php' );
require_once ABSPATH . 'wp-admin/includes/upgrade.php';