Fix the AI, fix cops, add content in the forms of consequences for your actions in sidequests, improve immersion by fixing traffic and NPC AI, balance abilities, etc. There’s a lot of things to be done in terms of mechanics.
Which is why I stopped playing and uninstalled. I want the premium experience and I can wait for it. The “Enhanced Edition” of Cyberpunk 2077, perhaps? Like they did with all the Witchers. One man can dream.