https://www.gamespot.com/articles/fortnite-battle-royales-playground-ltm-coming-very/1100-6460001/

The most recent Fortnite update added Stink Bombs and more. The patch, version 4.4, is the game's first since the launch of Battle Royale on Nintendo Switch. That came shortly after it was confirmed during Nintendo's E3 press conference broadcast, though it had been leaked and rumored for quite some time.