Glamsterdam on Hoodi Postponed

SECURITY FLAWGlamsterdam on HoodiPostponed62IMPORTANCEACTIVE4NEWS MEDIA5PIECESOct 22, 2026 15:16blockboard.net

Published Updated 2 new reports since it was first published

Ethereum developers canceled the Oct. 26 Glamsterdam upgrade on the Hoodi testnet. Node operators were told to run software without the scheduled fork, while mainnet activation is still undecided.

What this rests on

Claim by claim, with its source
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Ethereum developers canceled the Oct. 26 Glamsterdam upgrade on the Hoodi testnet.
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Node operators were told to use software without the scheduled fork.
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Crypto Briefing reported the Oct. 26 Hoodi testnet cancellation.
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Mainnet activation for Glamsterdam remains undecided.

What it means

Ethereum’s upgrade schedule moves through testnets before a mainnet fork, so the Hoodi cancellation matters as a sign that the process is still being adjusted before anything reaches wider use. Glamsterdam is the name attached to the next step, and Hoodi was the test environment tied to the Oct. 26 date. With mainnet activation still undecided, the sequence has not yet been locked in for Ethereum’s live network.

For node operators, the immediate change is straightforward: they were told to run software that does not include the scheduled fork. That means teams maintaining infrastructure have to follow a version of the client software that matches the revised testnet plan rather than the canceled one. Anyone building on Ethereum’s upgrade path has to keep an eye on configuration and release changes instead of treating the Oct. 26 date as fixed.

Ethereum’s upgrade process depends on a chain of software changes that have to line up across developers, node operators, and testnets, and Hoodi sits inside that system. When a scheduled fork is pulled back, it shows how much coordination sits behind a protocol change that is often discussed as if it were a single event. The tension is between network stability and the desire to keep shipping major upgrades without breaking the parts of the stack that have to adopt them together.

What stays open is the new timetable for Glamsterdam and whether Hoodi will host a revised fork at all. The next concrete signal will be a new activation date or a fresh client release that restores the fork plan. Until then, the only firm point is that the Oct. 26 testnet upgrade is off the schedule and the mainnet decision has not been set.

Market reaction

ET Ethereum it is the asset of the company or protocol in the event from 2 h before to 4 h after the line marks the first headline
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+0.51 % before publication
-1.46 % after
$2,412price at publication
11series points

How the story was built

Every piece in order, with the time its news medium declares — if it is not believable we use ours and say so — and what it added to what was already known at that point. Arriving first is not the same as adding something.

first
Oct 22 00:00
Ethereum Foundation blog scoop
Breaks the event
+15 h 15 m
Oct 22 15:15
The Defiant context
Its angle: operators, undecided, software; with quotes
+15 h 17 m
Oct 22 15:16
Crypto Briefing context
Its angle: expectations, challenges, confidence
+15 h 21 m
Oct 22 15:20
Crypto Briefing echo
No new facts: improvements, complexities, impacting
+17 h 47 m
Oct 22 17:47
Unchained adds
Adds the identifier eip-8037, eip-8038, with quotes