Blizzard Blue Post recently released an announcement that the "cross-faction team mode" that is highly anticipated by Warcraft players has now launched the "World of Warcraft" 9.2.5 test suit. The warriors of the tribe and the warriors of the alliance, the racial hatred that spanned thousands of years was finally diluted by time.
At the same time, the official release of some precautions for cross-faction teaming, there are still some dungeons and dungeons that do not yet support cross-team formation, but they should be fully open in the future.

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)