Blizzard has announced minor changes to World of Warcraft. yesterday studio published on the forum an announcement in which she promised to remove the integration with Twitter, which allowed you to write messages on the social network without leaving the game. This will happen today or tomorrow:
Over the next two days we will update World of Warcraft, to remove the built-in Twitter post feature. After this minor update, the function to send messages to Twitter from the game will no longer be available, and the settings that save your Twitter credentials will no longer be displayed.
This will not require any action on the part of the players.
The reasons for this decision are not reported.