Every inserter and loader stacks items on belts. Stack size is the smaller of the inserter's hand size and the researched belt stack size. Adds belt stacking research when Space Age isn't enabled.
Mods introducing new content into the game.
Counted when a user downloads a mod release for the first time. Before Nov 2021 it counted everytime a user clicked the mods download button.
Counted when a user downloads a mod for the first time. Has no data before Dec 2022