[EricH]

Originally Posted by Chris is me

This happens to me a lot. For days or even weeks, clicking the little button will take me to what the first new post was whenever I clicked that button days before. It seems to "stick" a lot. It's been happening to me for months, but I'm using IE 10 mostly.

Same. I've seen it in Chrome on Windows 7; I now use Firefox on Windows 10 and same thing. It'll reset every so often, but it's kind of annoying.

Sometimes the in-thread "first unread" will work, sometimes it won't.