Whereas Quantum Cats is among the hottest inscription tasks thus far, OP_CAT itself is way from universally accepted. There may be some hypothesis, as an example, that regardless of Heilman and Sabouri submitting their BIP proposal a number of months in the past, it was being held off from approval by lone BIP editor and Bitcoin Core dev Luke Dashjr, who will not be alone in his skepticism of latest on-chain experimentation.