Version 5.3.0 of Winrpe is a major update including security fixes and comes with NRPE 4.0.2(link is external) and LibreSSL 3.0.2(link is external) and the most recent versions of Cygwin and GNU Tools. Installers with 32-bit binaries are not provided any longer as a part of the product (Older versions available upon request).

Announcement from Nagios.org (https://github.com/NagiosEnterprises/nrpe(link is external)):

Notice: As of NRPE version 4.0.1, this project is deprecated. It will not receive any more bugfixes or features, except to resolve security issues.