OK I  didn't know about the changeover, I live in a nice world where there is only happiness.
A less-tasty  Caramac doesn't exist and the world is flat.

I am going to make my own Caramac Chunky bubble by melting a boatload of them and setting them in a small cake tin which I'll blast steam from the cappuccino machine every ten minutes.
I'll report back.

It wouldn't be so sweet with all those bubbles breaking up the block.