## Description v1.6.2 is for BSC testnet Fermi hardfork: [Fermi](https://forum.bnbchain.org/t/bnb-chain-roadmap-mainnet/936#p-1418-h-3-fermi-wip-11). *Fermi* hard fork is a critical upgrade to further reduce block interval from 750ms to 450ms, so users will have even better exper…