BlockBeats News: On May 10th, Optimism announced the successful activation of the Isthmus hard fork today, bringing key features from the Ethereum Pectra upgrade to the OP Stack and Superchain. This upgrade is only two days away from Pectra being online on the Ethereum mainnet, and Superchain is the first L2 ecosystem to support Pectra upgrades. This upgrade covers Base, Ink, OP Mainnet, Soneium, Unichain, and several other OP Stack chains.