TheSSS 35.0 is a major version based on 4MLinux Server 35.0, which means that the components of the LAMP server are now: Linux 5.75, Apache 2.4.4 6, MariaDB 10.5.7 and PHP (both 5.6. 40 and 7. 4.12).
You can update TheSSS by running the " ZK update " command (fully automatic process).