One upon a time, not too long ago, when once clicked on a reply in the recent activity block, you were taken to that reply...now it seems you are taken to the top of the thread and must scroll to the reply.
This:
http://moodle.org/mod/forum/discuss.php?d=83114&postid=392166
Instead of this:
http://moodle.org/mod/forum/discuss.php?d=83114&parent=392166
The $64,000 "rhetorical" question...bug or feature.
Steve