Wu said that according to @ralexstokes' summary of the 146th Ethereum Consensus Core Developers Meeting (ACDC), this meeting focused on the final confirmation of the Pectra specification, especially the update of the relevant proposals of EIP-7691, EIP-7742 and EIP-7251 (EIP-7691: For the adjustment of blob throughput, it is planned to set the target to 6 and the maximum value to 9 to further improve the transaction throughput of L2 and reduce the transaction cost of low L2; EIP-7742: Mainly involving fee standardization, after discussion, it was decided to adopt a simpler solution to update the "update denominator" of the basic fee to reflect the higher number of blobs; EIP-7251: An update merging mechanism was proposed to simplify state transitions and solve the authorization problem when the validator enters the "composite" state, and further merging is planned; EIP-7623: The proposal aims to limit the block and blob size in the worst case), FOCIL design introduction (FOCIL\Fork-choice enforced Inclusion Lists, a design that shows how to ensure valid inclusion lists by forcing the selection algorithm), other updates (Mekong testnet: the deposit processing bug has been resolved, finality has been restored, and customers have fixed or are close to fixing related issues; Devnet-5 specification update: continue to advance the development of EIP-7251 and EIP-7691 to ensure the stability of related specifications).