It seemed dumb to me that you could only fit 10 seeds in a stack when hundred of them come in a packet, so I fixed it.
Small changes concerning balance, gameplay, or graphics.
Map generation and terrain modification.
Furnaces, assembling machines, production chains.
More than just chests.
Could you please update to 2.1? "Incompatible Factorio version (current: 2.1, required: 2.0)"