The All Core Developers Consensus (ACDC) Call #160 on July 10, 2025 reached agreement to raise Ethereum’s protocol-level gas cap from 30 million to 45 million, with major clients moving to implement the change by the end of July.

• Gas Limit Increase Decision
• Client Implementation & Timeline
• Relevance to Devet 3 Stress Test
• Conclusion

Gas Limit Increase Decision

Ethereum developers recognized that the existing 30 million gas cap was constraining on-chain batching and overall throughput. On the ACDC #160 call, Prysm, Nimbus, Lodestar, and Lighthouse teams jointly proposed bumping the limit to 45 million. This increase aims to accommodate larger transaction batches and provide a more realistic environment for upcoming scaling tests.

Client Implementation & Timeline

Each client team committed to rolling out the new cap promptly: Prysm plans deployment within a week, Nimbus calls its release “imminent,” Lodestar has integrated the bump into its CI pipeline, and Lighthouse merged the update ahead of its next minor release. Rather than a hard deadline, the group set a flexible “end of July” target, with weekly progress check-ins to ensure all clients and tooling adapt smoothly.

Relevance to Devnet 3 Stress Test

Raising the gas limit is critical for the Fusaka DevNet 3 “happy-path” stress test scheduled for July 21–22, 2025. Allowing more gas per block lets developers observe real-world transaction handling, block-propagation speeds, and identify chokepoints under near-mainnet conditions. The results will guide further optimizations ahead of the next major network upgrades.

Conclusion

Securing consensus on a 45 million gas cap marks a pivotal step in Ethereum’s scaling roadmap. With coordinated client rollouts underway, the network is poised for more rigorous stress testing and faster transaction processing—setting the stage for the protocol’s next wave of performance enhancements.

If you find any issues in this blog or notice any missing information, please feel free to reach out at yash@etherworld.co for clarifications or updates.

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