Hello developers.

I'm running an Ethereum mainnet node using geth-1.15.9 and Prysm-6.0.0, along with a separate PoS testnet chain for API testing. During testing, I observed that the JSON-RPC responses from geth, besu, nethermind, and reth diverge. Specifically, when calling eth_feeHistory, besu, nethermind, and reth return 0.0 for the gasUsedRatio and blobgasUsedRatio defined in execution-apis, while geth returns 0. I think geth here returned a more reasonable value.

Please check the details in the besu issue.