Optimism successfully activated the Isthmus hard fork, and Superchain is the first to support the Ethereum Pectra upgrade

the Optimism core development team OP Labs has successfully activated the Isthmus hard fork, introducing key features of the Ethereum Pectra upgrade into the OP Stack and Superchain ecosystem, becoming the first L2 ecosystem to support Pectra.

This upgrade covers multiple OP Stack chains including Base, Ink, OP Mainnet, Soneium, and Unichain.