Does anyone know the defference here please.

[#1]

In the image below you'll see a post with a red dot next to the title, but all of the others don't have this.

Can someone tell me what this dot means please?

[#2]

Topics with a red dot have new posts you haven't read.

[#3]

Thanks for that @jelv. As I haven’t read (but marked as read) any of the threads / articles listed I assume it means that this is a new and unread topic?

[#4]

I think so.

[#5]

My first thought was that they might be Kamikaze posts that self destruct after posting - but obviously not.

Banzai!