Building materials that are over-delivered are returned to the silo and their rocket parts refunded.
Small changes concerning balance, gameplay, or graphics.
Augmented or new ways of transporting materials - belts, inserters, pipes!
Furnaces, assembling machines, production chains.
Play it your way.
I guess it makes sense, due to API limitations probably, but I was disappointed to see it still returns items even if you send the rocket manually, as long as there's a request for that thing. (At least that's what seems to be happening.)
note that manual requests will not be intefered with if you turn the checkbox of for a bit
