According to the announcement of TRON DAO on the X platform, the TRON developer community has released the GreatVoyage-v4.7.5 (Cleobulus) version. This is a mandatory upgrade and must be completed before 23:59 (Singapore time) on June 15, 2024. It is reported that the main contents of the Cleobulus version include: proposing new proposals to adjust the energy consumption cost of some opcodes in TVM to make the energy consumption cost more reasonable; enhancing the transaction and block verification logic to improve the system's fault tolerance; optimizing the synchronization logic between threads to improve data consistency.