The upcoming Petra upgrade for Ethereum will enhance scalability, security, and user experience, including account abstraction for gas fees and increased validator staking efficiency.
"specifically the Petra upgrade that aims to enhance the Network's scalability security and user experience Petra will improve ethereum Security even further and will introduce account abstraction allowing users to pay gas fees with various tokens it will also increase the maximum validator stake from 32 eth to 248 eth which massively improves staking efficiency"