When you type
/kill @e[type=!Player]
it tells you that arrows are killed but they are still there.
When you type
/kill @e[type=!Player]
it tells you that arrows are killed but they are still there.
Unconfirmed
Minecraft 14w02a, Minecraft 14w02b
Minecraft 14w02c
Retrieved
This as a feature would be very useful considering they don't despawn properly right now. It's at least a simple measure to control lag until that is fixed