A really convenient feature of the new site is that you can few all
news posts on the site (regardless of the category they were posted in) at a glance, with one click.
Just click on "All Discussions" on the right (under the "Categories" heading):
What you'll see in the forum listing is all
of the new discussions on the site, regardless of what category they were posted in. This makes it really easy to check the site to see what new discussions are going on, even if they are in forums you seldom visit.
Think of it as a way of seeing "what's new" on the forums.