- Ethereum developers propose raising the gas limit to 150 million for the Fusaka hard fork.
- Fusaka hard fork aims to scale Ethereum without adding new features, launching in late 2025.
- Gas limit increase could boost scalability, but may cause client issues to address.
Ethereum’s developers are proposing a quadruple increase in the gas limit as part of the Fusaka upgrade. They plan to implement a test that would raise Ethereum’s gas limit to 150 million by the Fusaka hard fork. This proposal is outlined in Ethereum Improvement Proposal (EIP) 9678, introduced by Sophia Gold from the Ethereum Foundation’s protocol support team on April 23, 2025.
The rationale behind this proposal to increase the gas limit is to enhance Ethereum’s Layer 1 execution capacity without requiring the addition of new features to the Ethereum platform. The move was proposed during the recent All Core Devs Execution (ACDE) meeting. The gas limit would be introduced as a new feature in the upcoming Fusaka hard fork. It is predicted to occur in the last quarter of 2025, according to Ethereum core developer Tim Beiko.
Impact on Ethereum Scalability
The developers claim that the increase will be instrumental in Ethereum’s scalability. They also realize that such a change can cause problems for the business’s current clients. For this reason, new EIPs may be added to Fusaka, even if the fork has a scope established. The idea behind the proposal is to facilitate a higher gas limit without any interference.
The validators confirmed that they had raised the Ethereum gas limit to nearly 36 million in February 2025, up from 30 million in 2021. This increase provided a significant boost to Ethereum’s gas capacity. The developers believed that such an increase would enhance the network’s performance and capacity without requiring additional features.
The Fusaka hard fork is planned to be released by late 2025, following the Pectra release, which is scheduled for May 2025. Nevertheless, several problems are considered by developers. They argued that lifting the current gas limit may expose vulnerabilities in the client side of the programmes. Addressing those issues will inevitably entail time and work from client developers, which explains why the gas limit hike is being labelled as a priority.
While the gas limit is ultimately determined by validators, Beiko noted that introducing an EIP would help coordinate default settings across all Ethereum clients. This approach ensures that clients are aligned ahead of the Fusaka hard fork. This update will enhance the Ethereum network and allow for more transactions per second, addressing current network issues.
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