The biggest piece of information is that it will feature 200 players, but there’s a bunch of other information too including the fact that you’ll be able to respawn after dying (something that Apex Legends introduced) using respawn tokens.
There will also be missions that your squads will be able to perform in order to get epic loot. These are things like eliminating a certain player, capturing a domination points and collecting scavenger hunts. The mode will also apparently heavily incorporate perks.
There will be a number of zones and points of interest in the map including the below: