Adds quality scaling to belt speed, drill/pumpjack mining speed, cargo/fluid wagon size, storage tank size, and locomotive speed/power usage, adds options for speed module quality penalty, quality module quality bonus, and adds a number of optional quality-related items and entities.
Small changes concerning balance, gameplay, or graphics.
Provides a library for modders to easily interface with Quality and add quality stats to any item/entity.
Lua libraries for use by other mods and submods that are parts of a larger mod.