I personally think the Halo Reach Falcon and Customization should have been added into Halo as well as the Revenant, Needler Rifle and Shade Turret. That is just my opinion. So you can think whatever you want to think.
This isn’t really a Support issue. If anything, you should head over to one of three H6 wishlists instead. Links in my signature.
By the way, Grim confirmed in an August tweet that H5 won’t be receiving any future content updates.
Please keep the support forums clear for actual support requests, thanks