[Starknet mainnet has been upgraded to v0.11.2, and Cairo 1 has been officially activated] News on June 1, Ethereum Layer 2 expansion solution Starknet mainnet has been upgraded to v0.11.2, Cairo 1 has been officially activated, and developers can deploy it on the mainnet Cairo 1 smart contract, next the Starknet mainnet will release a major update about higher TPS