Really not a bug, was just a default setting. You can go to your watch list and click on watched forums, topics, or users and click edit. You can change emailing in there, but you will have to do it for each new watched topic, forum, user you add. The way I fixed it in version 7 was change the value in the database for email notification. I believe I changed it in both watched list and registration. I wouldn't know when it was adjusted since I altered the table within days of the first public release of 7
