PreventZombieItemPickup - dniym/IllegalStack GitHub Wiki
OFF BY DEFAULT - Obscure or User Requested Feature
NOTE
Prevents zombies from picking up items normally, this was used to prevent the drowned dupe and is off by default, left in as it was requested by a user.
To enable / disable this protection use the following command: /istack toggle PreventZombieItemPickup
This feature has no extra options.