Every time I start up my server all armour stands with heads on are wearing Steve heads. If I take the head of the armour stand and place it, it shows up as the head it actually is. I'm changing their entitydata 20 times a second but I don't think that's the reason for the bug.

Properties the armour stands have:

Small:1 (I've got one that's not small and I experience the same problem)
NoGravity:1
Invisible:1 (You can still see the items of invisible armour stands.)
 
Edit: I'm able to fix this by stopping the entitydata command blocks and replacing all the skulls manually, but it takes time.

Edit x2: Previously every time I restarted my server all the heads became steve. Now they are only becoming steve heads 75% of the time, and if they were steve before the restart they become normal heads after it.

I'm a developer! Message me if you need help!<br /> <br /> Put "@Partydragen is a noob" in discord!

Well that must be a minecraft bug

Hopefully solved when we update to 1.12

Oh ok. It's really inconvenient unless you like making food inside someones head. :P

 

I'm a developer! Message me if you need help!<br /> <br /> Put "@Partydragen is a noob" in discord!