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The Ethereum Foundation has detailed the upcoming Glamsterdam upgrade, slated for Q4 2026, which will implement gas repricing under EIP-8037 and EIP-8038. This change is designed to make gas costs more accurately reflect the computational work required for state creation and access. While most smart contracts remain unaffected, developers of impacted contracts will need to act quickly to prevent potential disruptions.
What’s Changing?
EIP-8037 increases the gas cost for creating new state elements—such as accounts, storage slots, and bytecode—by introducing a separate metering process. Similarly, EIP-8038 raises costs for accessing state operations like SSTORE, SLOAD, and EXTCODESIZE. These adjustments come in response to Ethereum’s rapidly growing state size and an increased gas limit, last repriced in the 2021 Berlin fork.
Replaying historical mainnet transactions under the new pricing model revealed that most transactions would remain unchanged or require minor gas limit adjustments. However, certain contracts relying on hardcoded gas assumptions—like Solidity’s 2,300-gas stipend for transfers—could break entirely. Proactively, the Ethereum Foundation has begun reaching out to affected developers.
The repricing is critical for Ethereum’s scalability. It enables a potential tripling of Ethereum’s block gas limit over time, paving the way for increased throughput without compromising network stability. According to Ethereum.org, a post-Glamsterdam gas limit of 200 million is considered feasible, thanks to optimizations like ePBS and these repricing changes.
For developers, this means adjusting gas estimations and testing contracts on the Platåberget testnet—launched on August 17, 2026, specifically for Glamsterdam. For end users, updated wallets and infrastructure are expected to handle the changes seamlessly.
Immediate Actions for Developers
Smart contract developers should:
- Check affected contracts using the Ethereum Foundation’s repricing-impact tool.
- Test on Platåberget (glam-devnet-8) to ensure compatibility with the new gas schedule.
- Review and update any hardcoded gas values, especially in contracts relying on fixed stipends or branching logic with gasleft().
Teams building wallets, RPC infrastructure, or node tooling should update their gas estimation models to reflect the new pricing rules. Cached gas constants that underestimate costs could lead to failed transactions post-upgrade.
The Glamsterdam upgrade aligns with Ethereum’s broader effort to address scalability challenges as the network continues to grow. Ethereum (ETH) is currently trading at $1,624.95 (as of August 25, 2026), reflecting steady interest despite the looming changes. Developers and traders will be closely watching the upgrade’s impact on network performance and gas fees, as Ethereum aims to maintain its competitive edge against layer 1 and layer 2 solutions.
What’s Next?
Glamsterdam will roll out to public testnets like Sepolia and Hoodi in the coming months, with mainnet activation expected by Q4 2026. Developers are encouraged to prepare well in advance by engaging with the Ethereum R&D Discord or Telegram channels and closely following the All Core Developers (ACD) process for updates. As the network transitions, the Ethereum Foundation promises proactive communication to minimize user disruption.
Source: blockchain.news