GDPR – Prevent WordPress fromn sending unnecessary data on core updates

Stop WordPress sending anything but essential data during the update check

function wp_update_privacy( $query ) {
unset($query['php']);
unset($query['mysql']);
unset($query['local_package']);
unset($query['blogs']);
unset($query['users']);
unset($query['multisite_enabled']);
unset($query['initial_db_version']);
return $query;
}
add_action( 'core_version_check_query_args', 'wp_update_privacy' );