Optimism: Isthmus hard fork activated to bring Ethereum Pectra upgrade to Superchain
2025-05-09 18:07:28
On May 10th, Optimism announced that it successfully activated the Isthmus hard fork today, introducing key features in the Ethereum Pectra upgrade to OP Stack and Superchain. This upgrade comes just two days after Pectra was launched on the Ethereum mainnet. 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.
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