Let's see if I can explain it another way...
In the past, when I was reading through any forum (doesn't matter which one, but within a specific forum -- not all the new threads/posts in the whole MDC boards), I could read an entire thread and at the bottom of it, I could click on "next thread" (the wording may have been slightly different). Then, I would be inside the next thread up in the list without having to go back out to the subforum. It saves a lot of time when there are only a handful of subforums one reads here.
Here's an example:
Let's say I only have 10-15 minutes. I decide frugality and finances is of most interest to me at that time. I go to frugality and finances and click on the thread at the bottom of the first page (or whatever I read last), I read all the posts within that thread. At the bottom of that thread, I used to click on "next thread" and I'd be inside the thread that was next up from the one I started on. I'd read it and click on "next thread"....and keep going until I reached my time limit. I never had to go back into "frugality and finances" to see all the topics/threads. I saved time by just moving up the list.
Did that "next thread" option disappear with the new host?