"My friends, the SNES Edge-Enhancer is ready," he says in a social media post. "I've built my final production sample prototype and the long wait has been well worth it. I've squeezed every pixel of performance I can out of the 2CHIP SNES' DAC. This is now a COMPLETE solution, outputting cleaned CVBS & S-Video."
He has also included a comparison screenshot, which is so jaw-droppingly pin-sharp you'd think it was running via emulation: