Diablo IV has re-enabled trading after disabling the feature indefinitely just the other day.
The cause for all the fuss? Players discovered an exploit to duplicate gold and items, presumably using the trading feature.
You can read the original statement about trading’s suspension below:
We’ve suspended player trading in Diablo IV until further notice due to a gold and item duplication exploit. We are working on a fix to amend this issue and will update you once we’ve reinstated the ability to trade. Once that is done, we will continue to monitor this activity to ensure a healthy playing experience for all. As always, any account that engages in gold and item duplication exploits will be actioned in accordance with our End User License Agreement.
We thank you for reporting this exploit to us and your patience.
However Adam Fletcher from Blizzard confirmed that trading was brought back in short order.