More quest variety.
Make mining layered and matter again.
Never let ammo drop in more than single digits without perks.
Bring back some 'learn by doing' Like for cooking, basic crafting, base building, mining, running, jumping , farming etc -folks like to see the bar go up by itself - free up those character trapping skills and replace them with actual solid choices that make stat commitment worth it.
Balance traders. Make @%$# expensive. No more 400 credit pistols on day 1.
Make non crafted guns non repairable.