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Ethereum Glamsterdam Test Gets Last-Minute Prysm Fix Before 200M Gas Jump

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Ethereum’s Sepolia testnet moved to a 200 million block gas limit as part of work on the Glamsterdam upgrade, up from about 60 million. Prysm v7.2.1 was released hours before the test to add the new gas schedule, after a default setting had kept validators at 60 million gas.

Key claims & sources

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Prysm v7.2.1 added Sepolia’s 200 million gas schedule hours before the test, replacing a default that would have left validators at 60 million gas.
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Sepolia began testing a 200 million block gas limit as part of the Glamsterdam upgrade work, after a prior target of about 60 million.
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The live Sepolia test does not commit to the same gas limit on mainnet.
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Sampled Sepolia blocks used only 26% to 46% of the available gas, while more than 25 consecutive blocks landed in the 52 million to 92 million gas range.

What it means

Developers and node operators watching Sepolia will see a test environment handling a much larger execution budget than before, with Prysm updated just hours ahead of the change. That means the immediate focus is on whether clients and validators can work through the higher gas setting now visible on the testnet, not on a mainnet change yet.

In practice, the test changes what Sepolia can process in each block, but the network is not yet showing full use of that capacity in the sampled blocks. The six-minute voting window and the fact that all 32 scheduled blocks were proposed show the mechanics of the test, while the current setup still leaves mainnet unchanged.

What remains open is how far this testnet setting will carry beyond Sepolia, since the live experiment does not commit to the same gas limit on mainnet. What would settle that is a later decision or deployment that sets the mainnet block gas limit, but that is not stated here. (per cryptonews.com)

Market reaction i

EthereumETH the event is about this asset
first headline
-1.3% 2 h before
-0.6% 4 h after
$2,581price at publication
12data points

The move was larger before the first headline than after. That is an observation, not an explanation: the market also moves on things nobody publishes.

Coverage timeline

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 7 10:17
+9 h 43 m
Oct 7 20:00
NewsBTC context
Its angle: infrastructure, significantly, computation
+18 h 9 m
Oct 8 04:26
Crypto Briefing context
Its angle: transaction, influencing, potentially
+23 h 21 m
Oct 8 09:37
Cryptonews.com context
Its angle: transactions, tentatively, encouraging; with quotes
+1 d 2 h
Oct 8 12:50
Crypto Economy echo
No new facts: architecture, activation, identifies

Has this happened before?

WhenWhat happenedFigure
31 days ago Ethereum’s Glamsterdam upgrade is set to activate on the Sepolia testnet later Tuesday, with its gas limit scheduled to rise from 60 million to 200 million event 1 actors in common · 10 news media
31 days ago Ethereum Mainnet Executes First Atomic Transaction From Layer 1 to Layer 2 event 1 actors in common · 7 news media
32 days ago Ethereum Foundation Explores Rules to Check Transaction Results event 1 actors in common · 2 news media
32 days ago ETH Upgrade Countdown Begins: 24 Hours Left for Glamsterdam Testnet Launch event 1 actors in common · 2 news media
32 days ago Ethereum's zkAPI Gives AI Payments a Privacy Cloak With a Catch event 1 actors in common · 2 news media