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Tech & Protocols · 1 min read

Ethereum Developers Cancel Oct. 26 Glamsterdam Upgrade on Hoodi Testnet

Node operators were advised to run client software without the scheduled fork while mainnet deployment timing remains undecided.

Editorial oversight: Julian Mercer, Chief Editor
Neutral
$ETH $2,395 −4.5% $BTC $81,560 −3.4%

At a glance Announced

What happened
Ethereum developers cancelled the Oct. 26 Glamsterdam protocol upgrade on the Hoodi testnet.
Why it matters
The change leaves the mainnet timeline undecided and requires testnet node operators to run software without the fork.
Who is affected
Hoodi testnet node operators and Ethereum core client developers.
Takes effect
2026-10-26
What's next
Developers have not yet announced a revised schedule for Hoodi or confirmed a mainnet activation date.
Primary source
thedefiant.io: Ethereum Developers Cancel Oct. 26 Glamsterdam Upgrade on Hoodi

Key points

  • Ethereum developers cancelled the Glamsterdam upgrade scheduled for Oct. 26 on the Hoodi testnet.
  • Node operators have been told to run client versions that do not include the scheduled fork.
  • The target activation date for the Glamsterdam upgrade on Ethereum mainnet remains undecided.

Ethereum core developers have cancelled the scheduled activation of the Glamsterdam upgrade on the Hoodi testnet, which was previously planned for Oct. 26 1. Following the decision, developers directed network node operators to run client software releases that exclude the scheduled hard fork 1.

The cancellation leaves the timeline for the upgrade uncertain 1. According to protocol update details, mainnet activation for the Glamsterdam release remains undecided 1. The move follows earlier schedules where developers had planned to deploy the testnet milestone, as noted in previous coverage of Ethereum's Glamsterdam upgrade scheduling 1.

At the time of writing, $ETH traded down 3.7% over 24 hours at $2,395, against a wider digital asset market where $BTC fell 3.2% to $81,527. The broader market recorded a total capitalization of $2.72T, with the Fear & Greed index measuring 68. Node operators running infrastructure on Hoodi must now verify their setups to ensure they are operating client software without the Oct. 26 fork configuration while developers evaluate next steps for the deployment 1.

Sources

  1. [1] Ethereum Developers Cancel Oct. 26 Glamsterdam Upgrade on Hoodi — thedefiant.io, October 22, 2026

Written by Basis Desk's newsroom system from the primary sources above and machine-verified against them before publication. Market figures marked "at the time of writing" come from live exchange data. Report an error: corrections@basisdesk.news · corrections policy.

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