The latest post for subforums is usually wrong, or something is messed up.
See picture:
Steps:
Went to General Gaming, saw that there was a new post in the Evolve thread in PC Gaming & Hardware. Clicked PC Gaming & Hardware, that thread is nowhere to be found.
Ah, I got it. The thread list does not include threads by members you've ignored while the 'latest' post does. Sounds like XenForo has some changes to make.