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Ethereum Schedules Glamsterdam Upgrade for Hoodi Testnet on October 26

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Developers have set October 26 at 17:42:48 UTC for the activation of the Glamsterdam upgrade on the Hoodi testnet. The update follows an earlier deployment on the Sepolia testnet on October 6. As part of this release, the Hoodi network will see its block gas limit increase to 200 million. Node operators running execution and consensus clients must update their software prior to activation.

The Glamsterdam upgrade introduces several core technical changes to Ethereum (BITSTAMP:ETHUSD), including enshrined proposer-builder separation, block-level access lists, and updates to gas accounting. Deploying these modifications on Hoodi allows developers to assess network stability, smart contract handling, and client compatibility under higher gas limits before wider implementation. Ethereum was trading at 2,385 USD, down 0.85% for the session.

While testnet activations mark key steps in the network development timeline, a date for the mainnet rollout of Glamsterdam has not been finalized. Network participants will monitor Hoodi testnet stability following activation to gauge readiness for future release schedules.

Key points

  • The Glamsterdam upgrade is scheduled to launch on the Hoodi testnet on October 26 at 17:42:48 UTC.
  • The Hoodi testnet block gas limit will increase to 200 million following activation.
  • Key technical changes include enshrined proposer-builder separation, block-level access lists, and gas accounting updates.
  • Sepolia testnet activated the upgrade on October 6, while an Ethereum mainnet activation date remains unannounced.
  • Node operators must update execution- and consensus-layer client software ahead of the Hoodi upgrade.

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Questions and answers

When will the Glamsterdam upgrade activate on the Hoodi testnet?

The Glamsterdam upgrade is set to activate on the Hoodi testnet on October 26 at 17:42:48 UTC.

What protocol changes are included in the Glamsterdam upgrade?

The upgrade raises Hoodi's block gas limit to 200 million and adds enshrined proposer-builder separation, block-level access lists, and gas accounting changes.

Has a mainnet date been set for Ethereum's Glamsterdam upgrade?

No official date has been established for the mainnet deployment of the Glamsterdam upgrade.