When scrolling to the top of history, it's not clear that older messages are being loaded in the background. Message::show_with_preview should probably generate some kind of loading text when prev is None, and the room fetch state is not RoomFetchStatus::Done.
When scrolling to the top of history, it's not clear that older messages are being loaded in the background.
Message::show_with_previewshould probably generate some kind of loading text whenprevisNone, and the room fetch state is notRoomFetchStatus::Done.