Because the version officially released by DS is an extremely quantized version, and there are many new things in the architecture, Unsloth needs time to handle this, just as was the case with the previous DS V4 Flash.

It's still lacking llama.cpp support, and the work on that isn't moving very fast either. Looks more like a general community issue, where this model isn't drawing much interest.

You can ask them directly, Daniel Han-Chen is pretty responsive.