Have Qubino vanished?

I have a Qubino mini dimmer ZMNHHD for a number of years now, but it seems to have failed as it no longer switches by Z-wave, just manually. It gives the fault code TRANSMIT_COMPLETE_NO_ACK which seems pretty terminal.
I have been looking round to buy a replacement but find that suppliers are either out of stock or offering Shelly Qubino items. Has qubino disappeared from the market?

Technically yes and no, Shelly bought Qubino and is currently busy adopting (and updating) their lineup into their own. (Hence “Shelly - Qubino Wave” products popping up everywhere)