its not going to happen, they have already stated this multiple times, just ask for it in halo 6
343 have said that It is impossible for 5 to have split screen, if they suddenly add it in all it does is prove that they were either lying at launch or that they were incompetent at trying to implement it.
Yeah that won’t happen. 343 already said halo 5 would never have split screen but halo 6 might
Won’t happen for Halo 5 OP, but you’re welcome to add your thoughts to the split-screen thread:
Official Split-Screen Thread