London_ wrote:Might be based on chunk boundaries since the game has an order to the way it updates.

I think you've got the right reason for what I'm experiencing

Don't know if this is a bug or working as intended, just haven't seen this behavior before.

I have a few assembling mashines creating Landfill. Several blue inserters to feed stone ore, and several blue to fill several chests.

My previous seen behavior is that with 3 inserters putting in chests ...