自从 推出 新的多设备功能后，我们听取反馈并做出了改进，提供更快速的设备链接和更流畅的跨设备同步，同时增加了链接预览和贴图等新功能。The Cast flyout menu in swift options gives you far more help to locate close by shows, take care of connections, and more.To use this attribute, you needs