Trigger rewards are granted immediately for triggers with no dependencies, or granted to the "real" technology that should unlock them, like chemical plants being unlocked by oil processing.
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