Ethereum's Glamsterdam upgrade locks devnet scope around enshrined proposer-builder separation and a 200m gas target
Ethereum client teams locked the devnet-0 specification for the Glamsterdam upgrade in June 2026, with enshrined proposer-builder separation (EIP-7732) and block-level access lists (EIP-7928) as the central changes. The bundle targets a 200 million gas limit…