Halo 4 Insider testing is now live across PC and Xbox One, brings cross-play support October 20, 2020 by admin Tweet 343 Industries has kicked off Halo 4 Insider testing, and this one is available across PC and Xbox One, as the studio is also testing new features such as cross-play and input-based matchmaking. Read more… Neowin Related Posts:Halo Infinite will feature cross-play and…Halo: MCC update delivers Flood Firefight, campaign…Halo Infinite Campaign co-op test is now available…Microsoft is pausing Insider testing of the new Xbox…Age of Empires IV's big update next week will add…