Blizzard Blue Post confirmed today: 9.2.5 test suit has been launched before the release of the cross-faction team model, the official synchronous announcement of some precautions for cross-faction teaming.
Partial Content:
Epic Dungeons/Dungeons, Battlefields, and Rating Arenas are now open to both factions at the same time, and the captain can choose whether to turn on the cross-faction teaming feature;
The World of Warcraft Guild will remain a single faction;
Randomly matched hero dungeons, random battlefields/arenas, etc. will all remain in the same faction.
The following quests/dungeons remain a single faction:
Trials of champions;
The Trials of the Crusaders;
Alcavon's treasury;
Ice Crown Fortress;
Siege of Burales;
Battle of Dasaro;
Palatine Castle;
Dark Hammer Fortress; (Novice Island Quest)
