Version 0.4.0f includes all improvements in 0.4.0e.
In addition, it provides more detail about stake (winner of the contest) and mint (staked reward) transactions in Agama GUI as well as CLI listtransactions. It also introduces safeguards against any possibility of double staking behavior caused by forks and reorgs and the ability to set the maximum number of transparent and private transactions in Agama in settings->App config.