Ethereum Foundation Flags L1 Contract Risks With Gas Repricing Approaching

TL;DR

• Gas repricing alert: The Ethereum Foundation warns that EIP‑8037 and EIP‑8038 may impact a small set of L1 contracts relying on outdated gas assumptions.
• Scaling prerequisites: The EF says new state‑operation costs support a target enabling roughly 3x higher throughput and prepare the network for future gas‑limit increases.
• Glamsterdam shift: The EF highlights that the upgrade reorganizes transaction handling and block verification, requiring some builders to update contracts ahead of Q4 2026.
  

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Ethereum developers are urging L1 contract maintainers to prepare for changes coming with the Glamsterdam upgrade, expected in Q4 2026. In a recent post, the Ethereum Foundation warned that gas repricing tied to EIP‑8037 and EIP‑8038 could affect a small subset of contracts that rely on outdated assumptions.

The EF emphasized that most contracts will continue operating normally, but highlighted that some may break or degrade without updates. According to the EF, replaying historical mainnet activity under the new schedule shows that only a tiny group of contracts is at risk, and outreach to affected builders has already begun.

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