According to the official news, the Sui mainnet has been upgraded to V1.37.3, and the protocol has been upgraded to version 68. The key points of this upgrade include the introduction of an uncompressed representation of BLS12381-G1 group elements to accelerate the addition of group elements, a new protocol version, enabling blocking control based on gas budgets, restoring the ability to start full nodes in the era before random beacons were enabled, and removing the unsigned version of the discovery protocol.