any progress optimizing lights we haven't specifically looked at optimizing lights because lights aren't like the biggest problem with the game right now there's a lot of different things but we are we are working on optimizing the game overall, in general we typically the process is we take a big save file we profile it we look at like what is the biggest contender like what is the biggest issue and then we focus on solving that, and if lights isn't the biggest content like the biggest culprit then we'd rather focus on the things that have bigger yield, right now the biggest yield is the biggest issue is splitters actually they're the most expensive part of your factory it's kind of hard to get around that