I think this is useful, and we have it implemented in Geth. However, it seems support for this is far from universal across clients, so the change can't be merged so easily.

thanks for the feedback @fjl. All tested clients (Geth, Erigon, Reth, Besu) appear to support this correctly. Is the spec not already frozen as outlined in https://github.com/ethereum/EIPs/blob/master/EIPS/eip-234.md ?

Ahh, you are right. This should be in the spec since it was introduced by the EIP.

Comment from @LukaszRozmej on RPC standards call: we should define the error behavior here. There should be an error when the block does not exist. The 4444 error should also be defined in case of missing history.

It turns out we already have error 4444 defined for eth_getLogs.