Ethereum’s Glamsterdam hard fork has been activated on the Sepolia testnet, raising the gas limit from roughly 60 million to nearly 200 million as developers test a larger block budget and changes to how block production works. The upgrade is still limited to the public testnet stage, and no mainnet activation date has been set.
Techub, citing CoinDesk’s review of 25 consecutive Sepolia blocks, said gas usage ranged from 52 million to 92 million per block, well below the new ceiling. That early data suggests the network has not yet come close to filling the expanded limit under observed conditions.
The report also noted that Glamsterdam changes gas costs across different tasks, which means a higher block budget does not automatically translate into more transactions. Developers may need to retest contracts and tools under the revised gas schedule. In addition, the fork changes block production and data access by combining the roles of transaction assembler and validator, giving validators more time to verify transactions while aiming to improve processing efficiency and adjust data-handling costs.
Ethereum’s Glamsterdam hard fork has been activated on the Sepolia testnet, lifting the testnet gas limit from about 60 million to nearly 200 million, according to Techub News. The change is intended to improve network throughput and ease competition for block space.
25 Sepolia blocks stayed well below the new cap
The upgrade remains in the public testnet phase, and no date has been set for mainnet activation.
CoinDesk reviewed 25 consecutive Sepolia blocks and found gas usage ranged from 52 million to 92 million per block, with none of them coming close to the new limit.
A larger block budget does not automatically mean more transactions
The report said Glamsterdam changes gas costs for different tasks, so a higher block budget does not necessarily mean the network can process more transactions. Developers may need to retest contracts and tools under the revised gas schedule.
Block production and data access are also being changed
Beyond the higher gas cap, Glamsterdam also changes block production and data access by combining the roles of transaction assembler and validator. That gives validators more time to verify transactions, with the stated goal of improving processing efficiency and adjusting data-processing costs.
The information was published by Techub and attributed to 99Bitcoins.
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