Register all WP postmeta keys using the [CF Revision Manager](https://github.com/crowdfavorite/wp-revision-manager)

register-all-postmeta.php

<?php

global $wpdb;

$keys = $wpdb->get_col("
	SELECT DISTINCT meta_key
	FROM $wpdb->postmeta
");

foreach ($keys as $key) {
	cfr_register_metadata($key);
}