Ethereum News: Glamsterdam Sepolia Test Set for October 6
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Ethereum’s Glamsterdam upgrade is scheduled to activate on Sepolia on October 6, 2026, at 13:53:36 UTC. The test will include EIP-7732’s move of proposer-builder separation and settlement into the consensus protocol, while validators must opt in and mainnet gas limit settings do not change.
Key claims & sources
What it means
Ethereum users and validators will see the Sepolia test on October 6, 2026, when Glamsterdam is scheduled to activate at 13:53:36 UTC. That timing makes the test visible to anyone watching Ethereum’s test network activity, while the details are specific to Sepolia rather than mainnet.
In practice, the fork is a test on Sepolia rather than a change to Ethereum’s mainnet settings. Validators must opt in, and the mainnet gas limit stays unchanged, so the immediate effect is limited to the test network environment.
Market reaction i
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
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Coinspeaker
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