My world believes it in the 1.16 and at the moment in which the 1.17 came to light I activate the experimental mode but the moment the 1.18 tells you to update your world this is updated but the layers of Bedrock are still in layer 0, but if the world is not experimental the layers of Bedrock go down to -64
My world believes it in the 1.16 and at the moment in which the 1.17 came to light I activate the experimental mode but the moment the 1.18 tells you to update your world this is updated but the layers of Bedrock are still in layer 0, but if the world is not experimental the layers of Bedrock go down to -64