Is Duping really "Fixed"?

So I'm assuming the save point thing has been confirmed as implemented?

For what it's worth, the day they tried to give us Free Hyperocks for the first time in the CS a couple weeks ago, and instead crashed the game my character rolled back till the point where it interacted with a shop NPC (a good 10min).

Most likely the way they did their crashless dupes is patched, which involved dropping/trading the items first (maybe dropping saves the inventory now?).

But I wouldn't be surprised if ch crashing dupes still worked, though these are pretty hard to do without people noticing right away, so get fixed much faster (nowadays at least)