According to a report by Jinse Finance, Sui officially announced the upgrade of the mainnet to V1.49.2 and the protocol to version 84. Key points of the upgrade include standardizing type input to be ID-based when converting TypeInpu in adapters, enabling ExecutionTimeEstimate mode on the mainnet to optimize congestion control, updating Nitro proof parsing logic and enabling it on the mainnet in v83, and upgrading the protocol based on community voting to support the recovery of stolen funds.