After two years of development and some deliberation, AMD decided that there is no business case for running CUDA applications on AMD GPUs. One of the terms of my contract with AMD was that if AMD did not find it fit for further development, I could release it. Which brings us to today.
From https://github.com/vosen/ZLUDA?tab=readme-ov-file#faq
So AMD already gave up on this, and if they hadn’t they’d have kept it proprietary?