Xbox now has the option available to link your Discord account to your Xbox account. This allows your online Discord friends to view what game you are playing so they can better decide if they want to hop on in and join you.
We must stress that this is not the integration of the standalone Discord app on the Xbox. This is merely a way to connect your Xbox live account in the same way as Spotify or Twitch.
Will we see the Discord app on consoles? It is not likely due to the fact that these beefy consoles have their own chat systems but for those that primarily use Discord on their PC, this is a great way to see what your Xbox friends are playing.