Really cool update, but I don't love that the new stack inserter has different behavior from all other insertera where it waits until it's full to move but none of the others do. I would prefer if all inserters let you set both a minimum and maximum stack size. You could set the defaults differently...

Quick update: I've confirmed this is reproducible on multiple saves and different machines. It only happens when the following conditions are met: - The furnace is completely full of ash (1k ash) and paused due to this condition - There is fuel and enough ore in the furnace to begin a new production...

This is a modded save with Py and some QoL mods. There is a consistent and reproduceable crash when taking iron ore out of a furnace. To reproduce: - Load save - Open furnace next to player (should have 50 iron ore in it) - Shift-click to remove ore from furnace - Game crashes Removing the ash first...