Generally this is the last 600ish ghosts processed that'll have active alerts. I also have seen up to 1201 ghosts being processed normally at the same time. This seems like a much higher number than 600. How is this possible if the game only handles the 600ish ghosts that sometimes appear to be the...

I recently tried to make a new smeltery using a blueprint, but when I hovered over the alert box, which was telling me there were construction tasks waiting for robots and which part I still needed to supply, I noticed the information in this box was continuously changing, even when I had ALL robots...