微信推出“后悔药”！

Core Viewpoint - The recent update of WeChat for Android version 8.0.63 introduces several practical features, including options for deleting contacts while managing chat records, enhancing user experience and functionality [1][2]. Group 1: New Features - The update includes a feature that allows users to delete a contact while simultaneously clearing chat history, which is not selected by default, enabling users to retain chat records if desired [2][6]. - A "delete chat can be revoked" feature was also introduced, allowing users to recover deleted chat records within 5 seconds by clicking the "undo" button [1][2]. Group 2: User Experience - Users can delete contacts without notifying the other party, and they can still send messages to the deleted contact, who will receive them normally [5]. - The ability to re-add a deleted contact is simplified, allowing users to do so without additional verification, while retaining the complete chat history [5][6].