Ethereum schedules Glamsterdam upgrade on Sepolia for Oct. 6

Glamsterdam will bring proposer-builder separation, block-level access lists and new gas pricing, while its mainnet date remains unset.

Ethereum developers have scheduled the network’s next major upgrade, Glamsterdam, to activate on the Sepolia testnet on Oct. 6.

Sepolia node operators must update both their execution-layer and consensus-layer clients before the activation, the Ethereum Foundation said Monday.

One of Glamsterdam’s changes is enshrined proposer-builder separation. It will move the handoff between specialized block builders and validators into Ethereum’s protocol, reducing reliance on outside middleware.

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