Weird forum web interface behavior

[Nicholas Wilson]

On Wednesday, 31 October 2018 at 11:12:53 UTC, Stanislav Blinov 
wrote:
> Looking at the General forum just now, I noticed that for 
> Walter's "Avoiding code smells" thread, last post is reported 
> as made by Walter 6 hours ago:
>
> https://dl.dropbox.com/s/8o56d5tsr0yah40/dlang1.png
>
> And yet, when clicking that last post link, his post appears at 
> the top, but there are obviously more posts made after that:
>
> https://dl.dropbox.com/s/x6d3z9yncet76ol/dlang2.png
>
> What gives?

It was originally posted to announce but somehow ended up in 
general as well.
Why or how I have no idea.