Here's a fun demo video of the Pixel Wrangler in action, now that all three TMDS channels are working and the live dithering can operate on the full RGB signal: https://youtu.be/i3MihXSwIDs
sorry about the bad flicker; I have a todo to use the HDMI vsync that is actually at 60 Hz for starting the frame, rather than the free-running clock it is using right now. https://github.com/osresearch/pixel-wrangler/issues/26