Here's a few of mine
Craftable decor and even defenses, like the trader log walls, corrugated metal, cars, signs, decor, etc.
Ranged intelligence weapons, even a flamethrower or something
Plasma baton/tier 3 baton
Wearable bandit armors
Mutated zombies, burned zombies, direwolfs, and zombie bears spawn on horde night
Zombie spawn % In settings
Zombie types, solder cop zombies, healing zombies, climbing zombies, tank zombies. Etc
Craftable razor wire and maybe a few more traps.
Hp rounds being replaced with something better like incendiary rounds.
Radioactive zombie dogs, bears, direwolfs!
Few new cars to scrap/loot! Army jeeps, APC, crashed choopers, old motorcycles.
Few new zombie animals, deer, cougar, maybe even normal hogs not just grace.
New armors, trapper for hunting, light hazmat, firefighter and maybe a heavy solder set.
Swords. A stronger version of knifes in terms of damage and dismember. But can't harvest meat or have stealth damage
Water pump: a higher tier version of the dew collector!