According to: https://github.com/ethereum/execution-apis/pull/517#issuecomment-1931404053 The EL provides a version number to the CL. Ideally Nimbus should also report this too. other cls: <img width="442" height="484" alt="Image" src="https://github.com/user-attachments/assets/66334c6a-23e0-4303-9fb9-9ce6317466ef" />