It's still there, eg http://test.moodle.com/
but the site settings have changed to allow more options. You can now have ONLY the topic section eg http://moodle.org
but the site settings have changed to allow more options. You can now have ONLY the topic section eg http://moodle.org
It is indeed still there.
I think it's still there ...
configuration --> site settings --> "include a topic section" (Moodledev. 2005043000)
configuration --> site settings --> "include a topic section" (Moodledev. 2005043000)