Infinity Ward released their latest update to COD Warzone and included the Battle Royale Duos, which has been requested since day 1 by players.
📢Playlist Update for #Warzone! Rolling out now across all platforms….
— Infinity Ward (@InfinityWard) May 29, 2020
Along with this release they have also set a bunch of double-XP updates active until 2nd June – double XP, double weapon XP and 2x tier progression.