An Academy spokesperson confirmed to Variety that it had received the DOJ notice and had "responded accordingly," although it didn't specify what its answer was. Its Board of Governors will hold their yearly rule meeting on April 23rd.
Studios have sometimes used online services of 'cheating' the Oscars system with short theatrical release windows, secret viewer data and simultaneous worldwide launches that hurt foreign distributors. Rule changes could force movies to stay theater-only for longer or else force companies to disclose their audience numbers. Streaming services would have two embrace conventional movie distribution or the Oscars altogether.
Netflix and other streaming proponents have argued that it's vital to give online video equal consideration. It makes movies accessible to people who couldn't otherwise go and enables both filmmakers as well as anyone whose project might have trouble surviving in a blockbuster obsessed theatrical landscape. There's a self-serving goal of increasing viewership, of course, but is also concerned with Hollywood is trying to protect the past instead of embracing the future.