Steam discussions seem to imply there is still something happening https://steamcommunity.com/app/1444480/discussions/0/7674379... But communication is definitely subpar. I completed it a few years ago, was fun but having prior knowledge about digital circuits is a must have in my opinion.

They're bikeshedding pretty hard, making their own language for the simulation. You can access the unstable branch through steam, it was getting fairly regular updates last I checked.

wow - will try it today!