A million people thought they would be able to magically run it on potatoes at launch. That's not on CDPR. There were a few quest bugs, but scripting gets complicated on a game like this, so it was to be expected. They never should have released on the PS4 or Xbox One. The 2.0 changes are good.
I got this day 1 when it released on PC and encountered a few minor bugs during my first playthrough, but like most titles, I never experienced the crazy stuff some people reported. If you like a more-than-competent third-person shooter, I recommend this game. If you like combat and minigames that make really cool use of the powers you unlock, I enthusiastically recommend it. But if you like dialogue and choices that make you feel like every path makes sense and is fascinating to watch unfold, I demand you buy this game. This, in my opinion, is Avellone at his best. The objective is the only priority, which means you put aside everything personal (and forget about JRPG teenage angst) and do what you must to complete the mission. This doesn't mean it's devoid of connections--you'll figure out who to trust and who to watch like a hawk, and learn how to leverage good and bad rapport. Playing it just felt like being a grown-up from start to finish.
