The Ethereum EVM Object Format (EOF) improvement proposal has been included in the Pectra hard fork and is expected to be executed later this year or early next year. The EOF proposal is a series of smaller changes designed to make a major overhaul of Ethereum's core programming environment, the Ethereum Virtual Machine (EVM). EOF will make smart contracts more developer-friendly, especially for those building decentralized applications using the Solidity or Vyper programming languages. This series of changes is very subtle and could break existing smart contracts. Therefore, developers have added new versions, allowing DApp builders to choose which version of EVM to use when deploying code. Parithosh Jayanthi, a core developer at the Ethereum Foundation, said that EOF will be the first major change related to EVM in many years, laying the foundation for future upgrades of EVM and demonstrating the intention to continue improving EVM.