#604838 by Berdir | WazzaD: Fixed email notification goes to 'clean url link' but clean url's disabled.

#469350 by Berdir, nbz | frankcarey, Plazmus: Added UI Improvements: Move secondary tabs to primary tabs.

#575444 by Berdir: Several improvements needed for other modules (forward, recipient_list, realname integration)

#444682 by Berdir: Performance improvement: Remove user_load() from thread_load() in favor of single sql join to users table

#267814 by liammcdermott, Berdir: Added feature with clean cut AHAH interface to control which author user roles are able to block receiving and/or sending of messages to recipient user role.

#405240 by nbz, Berdir: Messages now have #new anchors that jump user to new messages. Use SUM instead of COUNT for is_new in the list messages query.

#376005 by Berdir: API change: _privatemsg_send returns more granular information about success or failure of sending a message as well as improved other API to make use of this