Optimism Breaks Ground with Pectra Integration via Isthmus Hard Fork

The optimistic ecosystem has taken a major step forward by integrating Ethereum’s Pectra features through the Isthmus hard fork. This move marks the first Layer 2 ecosystem to support these upgrades, impacting several related chains. The integration was swiftly executed by OP Labs, Optimism’s core development team, on May 9th, 2025, just two days after Ethereum’s mainnet release.