I've already tried to change everything I can. But the speed doesn't change...

I figured out how to change..... xDDDDD

How did you solve the problem?

lunedi

How did you solve the problem?

Below in the config, you have a large list of items. And each item has a parameter such as: "useCrafteRateMultiplier": false,
I simply changed each item's parameter to: true, using Notepad++. 😉