Telegram update brings users auto-delete, widgets and unlimited group member options By A still from an explainer video shared by Telegram on Twitter. Telegram released an update this week which brings users an auto-delete timer, home screen widgets, and unlimited group members in chats, among other exciting new features. In a blog post on its website, the messaging app outlined the new features in great detail. Auto-delete messages Users that do not wish for messages to last forever can delete messages for all participants in a conversation at any time, wrote Telegram. Since 2013, users were able to set a self-destruct timer for messages in Secret Chats.