Halo infinite plays like a lot of other great games but doesn't do any of it well. In PVP weapons tend to feel uneven, while they each have a specialty a few have far better specialties than others. for instance i will avoid everything except BRs and Maulers. Additionally PVE firefight has revealed even more issues
*Bulldog either needs to be replaced with the classic shotgun or by it's super variant, it's a distraction for most opponents.
*SMG needs a higher ammo max.
*Magnum feels underpowered.
*Hydra exists to take down Skimmers and lacks the capacity for sustained fights or the power to end them quickly.
*Firefight Maps need a good chunk of their Out of Bounds locations removed to assist sniping.
*Snipers need to oneshot any unshielded opponent. and be refillable at ammo boxes.
*Banished weapons lack variety and lean too heavily into the forerunners. this makes forerunners feel less advanced AND stops previous Banished or Covenant weapons from returning. If anything Forerunner tech should be being used by humans all things considered.
*UNSC lacks show stopping weapons that they used to have like the spartan laser.
*Heavy weapons hit like normal weapons but with slightly higher ammo capacities, they cant be reloaded.
*Special Weapons cant be reloaded with standard ammo.
*Brute weapons don't do enough melee damage for them having giant blades attached to them and generally being garbage against skilled opponents
*Vehicle spawns are limited, i don't see nearly enough Rockethogs or Gungooses
*The Team's (343) obsession with balancing "Power Weapons", WETF that means, makes the game feel small and boring, Infinite lacks the dramatic fights that were found in Bungie's halo. The closest you've come to fixing it is Big Team Heavies and Super Fiesta, Now do that to everything else except Tactical Slayer and watch people flood back in.
*Firefight needs to be overhauled too, when all those human mercenary weapons and boggart comes out i hope to see them put on to human opponents in firefight. Maybe instead of trying to lure in the Dorito MTNdew MLG crowed back out of the grave you can just make the PVE a fun experience where you buy weapons and gear with kill points and go as long as possible like a cross between old firefight, Cod Zombies, and Warframe's defense. There need to be new versions of firefight to change up the experience, one with flood or humans would be a nice change but linear maps where you push forward into enemy territory would be the best thing i can imagine, it's immersion breaking to be running around this giant bowl defending random circles.