When you goto to your User Control Panel page at the following link, there is a section on it which displays "Subscribed Threads".

https://www.clublexus.com/forums/usercp.php

It works correctly listing the threads for which new posts have been made since your last visit but it does not work when you change the number of days in the box next to the "Show threads from". In other words if I change it to show threads from "last 5 days" or any of the other choices, it displays a blank list of subscribed threads instead of the list of my subscribed threads which have had posts in the last 5 days. The previous version of the forum used to work like that (before the site was updated).