Does this happen even when nothing is in the player's hand?
The client sends an animate packet, then an inventory transaction packet, then afterwards a mob equipment packet
What do you mean? The behavior you are describing still happens on 1.16:
no, the android app just has a GUI that makes things more user-friendly
You can set $pk->disableRelativeVolume to true then anyone who receive the packet will hear it at full volume regardless of position
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