Changelogs / Kadence / Kadence Security Pro / 6.6.4 6.6.42020-08-13 Fix1 Fixes Update lib/updater to the latest version. Fixed fatal error that can happen when upgrading to the 1.6.1 version of this code: Ithemes_Updater_Settings::get_licensed_site_url() in server.php:199". 6.6.3 6.6.5