v1.6.4 is the release for the BSC Mainnet [Fermi hard fork](https://forum.bnbchain.org/t/bnb-chain-roadmap-mainnet/936#p-1418-h-1-fermi-wip-8), which is expected to be activated at **2026-01-14 02:30:00 AM UTC**. All BSC Mainnet nodes **must upgrade to v1.6.4 before the hard fork…