A new update has been pushed out to popular messaging app Telegram. The update bumps the app to version 3.16, and brings along several new features, including the ability to unsend recently sent messages - you can now retract any Telegram message within 48 hours of being sent. The update also adds a new Network Usage section. As the name suggests, this new section shows exactly how much data you consumed while in roaming or wi-fi. Then there are some Android-specific changes. For example, support for GBoard, addition of a fast action menu with frequent chats to the home screen...
Source: http://www.gsmarena.com/telegram_now_lets_you_unsend_recently_sent_messages_features_gboard_support_as_well-news-22520.php