[Cairenn]

New Features

• The Broken Shore
• New Dungeon: The Cathedral of Eternal Night
• Class Campaigns
• Demon Assaults
• Flying in the Broken Isles
• Legion Reputation Progress
• PvP Brawls
• Pet Battle Dungeon

User Interface

• On PvE servers, players of the opposite faction now have orange names.
• You can now assign a specialization to an equipment set in the Equipment Manager.
• The Blood of Sargeras vendor now sells items in multiple amounts (Shift-click).
• To help prevent accidental clicking, the resurrection option to “Decline” now has a brief countdown before it can be clicked.
• An “Open All” button has been added to the mailbox.
• Achievements linked from other players now show your own progress on the same tooltip.
• Appearances
  • You can now preview an ensemble set by CTRL-clicking it.
  • The Transmogrifier NPC is now trackable on the minimap.
  • You can now search your Appearance Collection by dungeon name and boss name.
• Player versus Player
  • In Arenas, your enemies’ crowd control Honor Talents are now tracked on their unit frames.
  • Various improvements have been made to party member visibility in Battlegrounds.
• Quick Join
  • Auto Accept: A setting has been added to allow friends and guild members to instantly join your queues without a confirmation. This setting is located in Interface Options -> Social.
  • Group tooltips now show the available roles and if auto accept is enabled.
  • Right click a Quick Join group to whisper a member of that group.
• Spellbook
  • Spells that haven’t been moved to an action bar are highlighted in the spellbook.
  • Mousing over a spell highlights it on your action bar, making it easier to locate.
  • Pet spells can now be dragged onto the player action bar.

Source and full patch notes.