Nutrients are replaced with nutrient solution which doesn't spoil.
Small changes concerning balance, gameplay, or graphics.
Augmented or new ways of transporting materials - belts, inserters, pipes!
Things related to oil and other fluids.
Furnaces, assembling machines, production chains.
Flow through on the Biolabs would be cool as well you could grid them out then!
Changed flow through setting to now be generic and should apply to biolabs also.
