October 17, 2026
Glamsterdam Hits Hoodi on Oct. 26: Ethereum’s ePBS Upgrade Takes Its Last Testnet Step, Mainnet Still Undated
After forking Sepolia on Oct. 6, Ethereum’s Glamsterdam upgrade (ePBS, block-level access lists, gas repricing) activates on Hoodi on Oct. 26 at 17:42:48 UTC. No mainnet date has been set.