It's worth noting that Haswell only ever supported Tier1 resource binding on DX12, so none of the new bindless stuff would even be to blame. I suspect this won'

It's worth noting that Haswell only ever supported Tier1 resource binding on DX12, so none of the new bindless stuff would even be to blame. I suspect this won't affect any projects too harshly, because anything DX12 exclusive probably requires at least Tier2 resource binding support. But I'm guessing something in the resource binding system is to blame...