This morning, Hello Games revealed that No Man's Sky
would be arriving on Xbox One. Alongside that announcement came the news that the team is working on a fourth major update for the game for existing players, titled "Next".
Details on the update were scarce seeing as the team had to rush out the announcement because of impending leaks. More news is promised in the future, but as you can see above, Sean Murray has stated that it's the "largest update so far". The free update is due to be released in the summer.