According to CoinMeta, the Ethereum Foundation announced that the Glamsterdam upgrade will be activated on the Sepolia testnet at 21:53:36 on October 6, 2026 (UTC +8). This upgrade integrates Amsterdam and Gloas, introduces EPBS ( EIP-7732), block-level access lists ( EIP-7928), and gas pricing adjustments ( EIP-8037, EIP-8038 ). Node operators need to update their clients, while mainnet users and holders of ETH do not need to take any action.