Lodestar v1.50.0-rc.0 adds Gloas fork scheduling and ePBS builder support for Hoodi
Lodestar schedules the Gloas fork and sets Hoodi gas limit to 200M, advancing Ethereum's ePBS rollout and testnet readiness.
MEV and block building
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Ready for Merge Ep. 36 explores ePBS game theory
Christine Kim's podcast episode examines economically-sound validator incentives and strategic behavior in encrypted private-key block building.
Paper examines cost of censorship resistance in multiple proposer protocols
Research on rational concurrent proposers models how much sybil attacks cost to censor transactions in protocols with multiple block builders.
Lighthouse v8.3.0-rc.0, Vouch v1.14.0-alpha.2, and Prysm v7.2.1 add Gloas ePBS support for testnets
Three consensus clients ship testnet support for Gloas ePBS, the encrypted block-builder protocol designed to prevent sandwich attacks and improve validator revenue.
More: Vouch releases · Prysm releases · Vouch releases
Glamsterdam now live on Sepolia testnet, data infrastructure scaling
Ethereum's next mainnet fork activated on Sepolia on schedule, and infrastructure teams are now instrumenting the data volume the upgrade generates for production readiness.
More: Lodestar releases · Ethereum Foundation Blog · Teku releases · Reth releases · Prysm releases · Cointelegraph · Nimbus releases · SSV node releases · Unchained · Forkcast · The Defiant · Bankless · EthPandaOps · CoinDesk
FOCIL Breakout #43: devnet 0 nears, inclusion list bits missing from payload attributes stream
FOCIL is a proposed Ethereum change meant to stop block builders from censoring transactions, and this call found client teams close to a first test network but missing a piece of data validators need.
More: Ethereum Magicians
EIP-8341 (Partial Execution Payload Commitments) declined for Hegota
The proposal to modify builder bid commitments in encrypted block building was not selected for the next upgrade.
EIP-8375 (ePBS Mandatory Burn of Execution Rewards) declined for Hegota
Developers rejected the proposal to burn priority fees and external builder bids subject to a competitive floor for the next upgrade.
FOCIL Breakout #42: devnet-0 needs 2 EL and 2 CL clients, EIP-8369 sets two VOPS eligibility profiles
FOCIL is a proposed Ethereum feature that enforces inclusion lists for transactions, and this breakout call set devnet-0's testing bar at two execution and two consensus clients while EIP-8369 proposed two eligibility profiles for which transactions get inclusion guarantees.
The MEV Letter #154: Frame Transactions highlighted in weekly MEV research digest
Flashbots' weekly MEV summary this week features Frame Transactions as a central account abstraction development.
Ethereum Foundation targets 2029 quantum resistance deadline, narrows Hegotá to FOCIL and Frame Transactions
The Foundation published a concrete roadmap with a 2029 quantum-resistance deadline and narrowed the Hegotá upgrade scope to two must-ship proposals, declining issuance and reward policy changes pending broader ecosystem process.
More: CoinDesk · The Defiant · CoinDesk
Agentic MEV Day recordings and slides from SBC 2026 published
Flashbots' July 31 conference session on MEV and agent-based trading now available as a full archive with 16 talks and supporting materials.
FOCIL Breakout #42 scheduled for September 15, agenda posted
Execution layer developers will meet to discuss spec updates, testing improvements, and implementation progress.
The MEV Letter #152 published
Weekly roundup of MEV research, papers, and ecosystem discussions including insights on Quick Slots infrastructure.
FOCIL Breakout #41 scheduled for September 1, agenda posted
The FOCIL working group will discuss development, specification, and testing updates for Ethereum execution-layer infrastructure.
More: Ethereum Magicians