A big update is coming!
http://www.nintendoworldreport.com/news/58430/animal-crossing-new-horizons-direct-coming-in-october
Nintendo announced a new direct is coming for Animal Crossing New Horizons.
The Roost was teased and is coming in a November update.
More details about the update will be shared during the direct. A fifth wave of Animal Crossing Amiibo cards was announced in the Japanese presentation: the Western Animal Crossing social media has acknowledged the cards and indicated more details are forthcoming.