Ethereum Foundation Confirms 2026 Roadmap: Glamsterdam (H1) And Hegotá (H2) Upgrades Targeting 100M+ Gas Limits

BREAKING: The Ethereum Foundation has officially confirmed its 2026 technical roadmap, outlining two major network upgrades that will significantly enhance scalability and performance for developers.

🚀 2026 Upgrade Timeline:

• Glamsterdam (H1 2026): First major hard fork focusing on parallel execution implementation, initial gas limit increases, and foundational improvements for stateless clients.
• Hegotá (H2 2026): Second major upgrade introducing Verkle trees for complete stateless client support, raising gas limits “towards and beyond” 100 million, and implementing Enforced Inclusion Lists (FOCIL) for enhanced censorship resistance.

🎯 Developer Impact:

• Massive Throughput Increase: Target of 100M+ gas limits represents 10x current capacity, enabling more complex dApps and higher transaction volumes.
• Parallel Execution: Enables simultaneous transaction processing, dramatically reducing confirmation times during network congestion.
• Stateless Clients: Verkle trees allow nodes to validate blocks without storing entire state, reducing hardware requirements and improving decentralization.
• Enhanced Security: FOCIL mechanism strengthens censorship resistance by ensuring transaction inclusion.

📊 Technical Specifications:

• Current Gas Limit: ~30 million
• 2026 Target: 100+ million (3.3x increase)
• Execution Model: Transition to parallel processing
• Client Architecture: Stateless verification via Verkle proofs
• Timeline: Glamsterdam (Q2 2026), Hegotá (Q4 2026)

🔧 Preparation for Developers:

1. Testnet Deployment: Both upgrades will undergo extensive testnet phases (Goerli, Sepolia) before mainnet deployment.
2. Tooling Updates: Ethereum developer tools (Hardhat, Foundry, Truffle) will release compatibility updates ahead of each fork.
3. Documentation: Ethereum Foundation will provide migration guides and technical specifications 3-6 months before each upgrade.
4. Community Testing: Developer incentive programs for identifying issues during testnet phases.

🌍 Ecosystem Implications:

• Layer 2 Scaling: Enhanced base layer capacity reduces reliance on L2 solutions for certain use cases.
• Enterprise Adoption: Higher throughput enables more enterprise-grade applications on mainnet.
• Validator Economics: Stateless clients may reduce hardware costs for validators, improving network decentralization.
• Competitive Positioning: Positions Ethereum to compete with high-throughput chains while maintaining security and decentralization.

📅 Next Steps for Developers: Monitor Ethereum All Core Developers calls for detailed specifications, update development environments when testnets deploy, and prepare dApps for parallel execution paradigms. The Foundation emphasizes backward compatibility where possible, but significant refactoring may be required for complex smart contracts.

Source: Ethereum Foundation 2026 Roadmap Document, Core Developer Communications