#ethereumfoundationlaunchesglamsterdamtestnet
Ethereum just took a quiet but important step toward its next big upgrade — and most of the market hasn't noticed yet.
What happened
On August 17, the Ethereum Foundation launched Platåberget, a new public testnet built specifically to preview the upcoming Glamsterdam upgrade. Unlike earlier private devnets, Platåberget is open to anyone — developers, stakers, node operators, and infrastructure teams can all test it directly.
The setup is also different from past testnets: Platåberget launched from Ethereum's current mainnet state, with the Glamsterdam changes set to activate via a fork on August 20. That design lets teams simulate the actual transition on a live-like chain, rather than starting fresh on a network that already has the new rules baked in.
Glamsterdam itself centers on a few core changes:
Enshrined Proposer-Builder Separation (EIP-7732) — a structural change to how blocks get built and validated Block-Level Access Lists (EIP-7928) — which record every account and storage slot a block touches Groundwork for raising the gas limit from 60M toward 200M, alongside larger contract size caps
After Platåberget, Glamsterdam is expected to move through Sepolia and Hoodi testnets before a mainnet rollout, with current targets pointing to Q4 2026.
Why it matters
This isn't a mainnet event, so there's no immediate on-chain impact — but it's a real signal of how Ethereum's roadmap is progressing. The Foundation has flagged that wallets, indexers, and gas estimators built around a fixed gas limit could break once Glamsterdam lands, which means the testnet phase matters more than usual for the broader tooling ecosystem. It's also a reminder that Ethereum's scaling roadmap is still very much active, even as attention in the market often drifts elsewhere.
How much of this early infrastructure work actually shapes market sentiment once mainnet approaches — or does the market only start paying attention once a firm date is set?
$GPS $STAR $ETH
Ethereum just took a quiet but important step toward its next big upgrade — and most of the market hasn't noticed yet.
What happened
On August 17, the Ethereum Foundation launched Platåberget, a new public testnet built specifically to preview the upcoming Glamsterdam upgrade. Unlike earlier private devnets, Platåberget is open to anyone — developers, stakers, node operators, and infrastructure teams can all test it directly.
The setup is also different from past testnets: Platåberget launched from Ethereum's current mainnet state, with the Glamsterdam changes set to activate via a fork on August 20. That design lets teams simulate the actual transition on a live-like chain, rather than starting fresh on a network that already has the new rules baked in.
Glamsterdam itself centers on a few core changes:
Enshrined Proposer-Builder Separation (EIP-7732) — a structural change to how blocks get built and validated Block-Level Access Lists (EIP-7928) — which record every account and storage slot a block touches Groundwork for raising the gas limit from 60M toward 200M, alongside larger contract size caps
After Platåberget, Glamsterdam is expected to move through Sepolia and Hoodi testnets before a mainnet rollout, with current targets pointing to Q4 2026.
Why it matters
This isn't a mainnet event, so there's no immediate on-chain impact — but it's a real signal of how Ethereum's roadmap is progressing. The Foundation has flagged that wallets, indexers, and gas estimators built around a fixed gas limit could break once Glamsterdam lands, which means the testnet phase matters more than usual for the broader tooling ecosystem. It's also a reminder that Ethereum's scaling roadmap is still very much active, even as attention in the market often drifts elsewhere.
How much of this early infrastructure work actually shapes market sentiment once mainnet approaches — or does the market only start paying attention once a firm date is set?
$GPS $STAR $ETH