#660092 by Berdir | nbz: Changed inbox to use a tag instead of slow having query and fixed many broken tests.

#617648 by Berdir | timtrinidad: Fixed deleted thread not recreated upon recipient reply (with test, D7 Port).

#613512 by DrakeRemory: Fixed visible filter on list pages when no messages are available (D7 Port).

#469350 by Berdir, nbz | frankcarey, Plazmus: Added UI Improvements: Move secondary tabs to primary tabs (D7 Port).

#441042 by Berdir: Replace multi-select list of users in filter form with a more performant autocomplete-text-field

#404960 by Berdir: messages/view/% shows the participants of a conversation even if there are no messages that the user can view.

#436946 by Berdir: Bugfix for PostgreSQL: PostgreSQL doesn't allow to reference subqueries with alias in HAVING

#376250 by Berdir, nbz: Kill disallow_anon and introduce central message permissions API privatemsg_user_access