Ethereum releases, writing, news and network upgrades

Glamsterdam on Hoodi Postponed (opens in a new tab)

The Glamsterdam upgrade on Hoodi, previously scheduled for October 26, 2026 at 17:42:48 UTC (epoch 132,352), has been postponed. A new activation date has not been set.Ethereum Foundation

Also reported Unchained: Ethereum Scraps Glamsterdam’s Hoodi Fork After ChainSecurity Flags Gas Risks (opens in a new tab) ETH Daily: Glamsterdam Hoodi Upgrade Postponed (opens in a new tab) CoinDesk Policy: Ethereum delays Glamsterdam test after security devs flag risk to existing contracts (opens in a new tab) Cointelegraph: Ethereum delays Glamsterdam Hoodi testnet launch over security risks (opens in a new tab)

Glamsterdam Hoodi Testnet Announcement (opens in a new tab)

Following its activation on Sepolia on October 6, the Glamsterdam network upgrade is now scheduled for the Hoodi testnet. Glamsterdam advances Ethereum's L1 scaling roadmap with enshrined proposer-builder separation, block-level access lists, and changes to ga…Ethereum Foundation

How native transaction assertions could enforce a transaction's final outcome (opens in a new tab)

The Ethereum Foundation's Trillion Dollar Security initiative has identified blind signing and transaction uncertainty as a user experience risk, and is exploring native transaction assertions as a next step to enforce a transaction’s final outcome, alongside…Ethereum Foundation

Introducing zkAPI: private usage credits for any API (opens in a new tab)

tl;dr: zkAPI lets you pay for a metered API without being known. Deposit credits into an Ethereum vault once, then authorize bounded usage with zero-knowledge proofs instead of an identity. The provider sees the requests, and the payment layer sees the spend.Ethereum Foundation

Also reported ETH Daily: Ethereum Foundation And Open Anonymity Launch zkAPI (opens in a new tab) EtherWorld: Ethereum Foundation Launches zkAPI for Private AI (opens in a new tab)

Glamsterdam Testnet Announcement (opens in a new tab)

Glamsterdam follows the Fusaka upgrade, advancing Ethereum's L1 scaling roadmap with enshrined proposer-builder separation, block-level access lists, and changes to gas pricing that better reflect the cost of execution and state growth.Ethereum Foundation

Join Us: EF Protocol Reddit AMA - September 16th, 2026 (opens in a new tab)

Every year since January 2019, teams from the Ethereum Foundation have spent an afternoon or two on r/ethereum answering questions from the community.Ethereum Foundation