Odaily Planet Daily News: The Solana on-chain mining project ORE officially announced the upgrade to Steel v2 at X. According to the GitHub documentation, Steel is a new Solana smart contract framework that provides auxiliary functions, macros, and a library of code patterns for building secure and maintainable smart contracts on the Solana blockchain. In addition, the upgrade window from v1 to v2 is now closed, with over 75% of eligible tokens opting to upgrade, which the officials consider a sign of the successful hard fork.