That hasn't been working for months, ever since Pittsburgh "updated" the site. They don't seem to be interested in fixing what they broke.
Oh, that’s unfortunate.
Unfortunately, there's not much you can do now except subscribe to threads where you really don't want to miss responses.
Yeah, it seems weird that I have to remember where I posted something and have to check a day later if someone replied.
Yeah, I imagine we’re missing a lot of people’s responses because of that.
This is really an issue that needs to be fixed, and up until then this post should be pushed up, up, up. DL is community-based (or used to be, at least), after all.