> that isn't documented, first, because it's changing/improving constantly, and second, there's just too many custom features like that for any consumer to ever

> that isn't documented, first, because it's changing/improving constantly, and second, there's just too many custom features like that for any consumer to ever keep track of, so what would even be the point? Same point as any documentation, to make information about features and changes available to the people who DO want it.