微信三大更新放出，网友：终于等到了

Group 1 - The core viewpoint of the article is that WeChat has launched several new features through a recent gray test, enhancing user experience in group chats and message management [1] Group 2 - The first feature is the optimization of "Do Not Disturb" for group chat messages, allowing users to receive notifications for messages that mention them, all users, or group announcements while muting other notifications [2][4][6] - The second feature is an upgrade to the message recall function, enabling users to recall multiple messages sent in a single instance within 2 minutes, streamlining the process of correcting mistakes [7][10] - The third feature involves changes to chat record management, which now allows users to import and export chat records across devices, as well as back up and restore records, reducing storage pressure on mobile devices [11][12][13][16]