Just checking the following thread and found this: Strange, eh? Btw: The date and the replies is what I'm referring to.
Yep... it's an issue on any thread that had soft deleted posts in it. It will sort itself out (there's a process running right now that is going through and fixing all threads). It's unfortunately not a super fast process (it's up to thread ID 458,000 now).
As you can tell by that image, I was also noticing the same thing in that very post and was wondering what was going on! Now I know