As you craft things, you get better at crafting them
Small changes concerning balance, gameplay, or graphics.
Furnaces, assembling machines, production chains.
This is fun, love the mod, is there a reason that not every item gets productivity? Like belts and such?
There is a startup setting for applying only to intermediates, which is set by default, as productivity only applies to intermediates by default. If you uncheck that, it should apply to all items. Let me know if it still doesn't work!