https://www.gamespot.com/articles/fortnite-content-update-530-is-out-patch-notes-fea/1100-6461432/

Epic Games this week rolled out another patch for Fortnite. The 5.30 content update is now available on all platforms--PS4, Xbox One, PC, Nintendo Switch, and mobile--and it introduces a new item and limited-time mode to Battle Royale, while Save the World receives a new hero and Horde Challenge to take on.

On the Battle Royale side, the recently teased Shockwave Grenade has been added to the ever-expanding weapons list. The Shockwave Grenade is an Epic rarity item that can be found in Supply Drops, Vending Machines, llamas, and chests, and when used, it launches players a huge distance. Those who've been knocked back by the Shockwave Grenade won't take any fall damage, but they'll destroy any structure they fly through.