Summer Chestplate must be held to have the job boost (I assume it's meant to be worn for the boost), not sure about the other pieces of summer armour.
/ce info command is blacklisted
Vanished players show up on /res list [name] autocomplete - don't know if you can fix that one.
Sometimes arrows do little or no damage regardless of the bow (this used to happen and I don't know the cause)
If you find anymore problems, dm me on something and I'll add them to the list.