The geometry of the Ender Dragon in Minecraft Norse Mythology is wrong

The geometry of the ender dragon does not correspond to the topic, since when the package was released it did not have this geometry, and in 1.17 the dragon geometry of Norse mythology acquired that unpleasant geometry, it is very evident that the dragon's mouth of Norse mythology is not right, plus the dragon's neck and tail are not right,   They are supposed to be made up of cubes that have a size variation.