Update the config.yaml file?

Many versions have passed since the creation of the config file, should you update it? If you have a farm with multiharvester, do you need to re-import the certificates?

This blog post of one of the forks actually had some good insights on that:

It seems that the normal update process of Chia does not get you the latest config file, and the default values that are used are not optimal for large farms.