As a result of Halo is not carrying Xbox to a brand new gen like they at all times have previously such as you stated. That, Forza and Gears video games. The Forza Inventive Director left to make a brand new studio The Coalition took a hiatus to be taught Unreal Engine 5 and can return to Gears in some unspecified time in the future (rumor is that they did return to Gears however nonetheless years away from launch)
MS Trifecta is getting outdated and drained I imply that from a studio perspective of the one studios carrying the Xbox each gen. As soon as MS employed new studios to assist develop video games for the console, outdated studio heads and leads are all going there sesperate methods.
It is what occurs when you may have the identical 4 or 5 studios for years on finish. Burn out.