Crypto•6 October 2026•
1 min read
Ethereum Successfully Activates Glamsterdam Upgrade on Sepolia Testnet
Key Facts
1The Glamsterdam upgrade was successfully activated on the Sepolia testnet at epoch 353,024.
2Ethereum developers released an emergency Prysm software update to enhance gas limits ahead of activation.
3Sepolia serves as one of the final major rehearsals before the Glamsterdam activation on the Ethereum mainnet.
The Ethereum network successfully activated the Glamsterdam upgrade on the Sepolia testnet at epoch 353,024 on October 6, 2026. According to media reports, developers released an emergency Prysm software update to enhance gas limits ahead of activation, enabling validators to automatically propose larger blocks of 200 million gas to ensure the test's stability.
Sepolia serves as one of the final major rehearsals before the Glamsterdam activation on the Ethereum mainnet, with the changes aimed at improving scalability and execution cost efficiency. Developers are currently monitoring network data to ensure validators can consistently handle the increased capacity without disruption.