Even if it was meants to behave as it does this ruins builds and is disruptive to existing worlds. Also they do not update to the current skin of the player whose profile they are from but rather a random older skin on a head already summoned into the world.
The head of plantsuru changes between relogs despite not saying “Dynamic” like the head of Grian does. Grian head was summoned in snapshot 25w34b and platsuru head was summoned previously in 1.21.7
Even if it was meants to behave as it does this ruins builds and is disruptive to existing worlds. Also they do not update to the current skin of the player whose profile they are from but rather a random older skin on a head already summoned into the world.