Summary Ethereum’s proposed gas repricing could expose contracts relying on fixed gas assumptions, although most applications should remain unaffected by Glamsterdam’s changes. Mainnet transa
Ethereum developers have warned that some L1 contracts could face problems under Glamsterdam’s planned gas repricing. According to the Ethereum Foundation, EIP-8037 and EIP-8038 will change costs for creating and accessing state.
The changes could disrupt contracts that depend on fixed gas values or execution assumptions. However, developers said most Ethereum contracts should remain unaffected by the planned repricing. Mainnet transaction tests identified a small group of contracts that could break or experience degraded performance.
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EIP-8037 and EIP-8038 aim to make gas prices better reflect resources required for different state operations. Ethereum last adjusted state-operation pricing during the Berlin upgrade in 2021.
Since then, Ethereum’s state has expanded significantly as applications stored more information across the blockchain. Consequently, developers want state-related costs to better match the resources consumed by these operations.
The Ethereum Foundation replayed historical mainnet transactions under the proposed Glamsterdam pricing schedule. Most transactions produced identical outcomes, while some required different gas limits under the proposed rules.
Heads-up for anyone maintaining L1 contracts:→ The Glamsterdam upgrade will include gas repricings (EIP-8037, EIP-8038) that shift state creation and access costs.→ Most contracts are unaffected, but a small set may break or degrade without updates. Affected contracts rely on…
— Ethereum Foundation (@ethereumfndn) August 25, 2026
Additionally, affected contracts could resolve their problems by increasing their gas limits. However, a smaller group still failed despite higher limits, indicating deeper compatibility issues.
According to the Foundation, some contracts rely on hardcoded gas assumptions that the repricing could invalidate. These assumptions can involve fixed gas values, Solidity’s 2,300-gas stipend, or logic that depends on remaining gas.
The Foundation has started contacting builders associated with affected contracts. Meanwhile, developers can test contracts against the proposed schedule before Glamsterdam reaches Ethereum mainnet.
Platåberget provides an environment for identifying compatibility problems linked to the upgrade. The gas changes are part of Ethereum’s effort to increase Layer 1 capacity.
The schedule supports targets that could enable three times base throughput. Therefore, developers view repricing as an important step before raising the network’s gas limit further. Glamsterdam combines execution and consensus layer changes under one Ethereum upgrade.
Ethereum developers have identified L1 contract risks from Glamsterdam’s gas overhaul. Most contracts remain unaffected, but builders using hardcoded gas assumptions may need updates before mainnet deployment.
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