Ethereum: Glamsterdam Testnet Upgrade Activates on Sepolia with 200M Gas Limit Signal - 06 Oct 2026

Ethereum's Glamsterdam upgrade activates on the Sepolia public testnet at 13:53 UTC, with testnet operators asked to upgrade their clients by October 5. The fork will signal a 200M gas limit, rising gradually from 60M through block-by-block voting.The activation gives the scaling roadmap a dated ch…