https://www.gamespot.com/articles/fortnite-challenge-guide-week-7-gnomes-and-retail-/1100-6457975/

Epic Games has launched the next set of weekly challenges in Fortnite: Battle Royale. Following the release of a new content update, players on mobile, PC, PS4, and Xbox One who own the Season 3 Battle Pass can now tackle Week 7's challenges. These involve the usual mixture of tricky objectives and those that will simply take some playtime and luck to complete.