there should be pelicans and phantoms in multiplayer also be able to get into passenger areas instead of just turret ex. falcon you could only get in the turrets
in forge there should be a variety of maps but alot bigger and different environments ex. one a jungle/beachy, an arctic one, a desert one
elites should be in multiplayer too
you should also be able to control weather in custom maps depending on environment ex. rain/storm on a jungle type and snowing in an arctic environment. and be different texture forge objectsex. covenant structure, unsc structure,forerunner structure.also more natural objects like trees and more rocks and be able to change between nighttime/daytime and can add lightpole type objects.
in campaign 343 said they put more details from the books and i read the books and it didnt really seem like it so they should try doing that more and add a few of the other spartan 2's like fred, kelly, or linda and glad arbiters confirmed
you should be able to turn on weapon flashlight on in multiplayer. also be able to lower weapon easily and i've always wanted to be able to lay down AND crouch