wp-admin/includes/class-wp-site-health-auto-updates.php:17WP_Site_Health_Auto_Updates constructor.
public function __construct() { require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php'; }Introduced in 5.2.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/class-wp-site-health-auto-updates.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.