According to Odaily, Optimism announced on the X platform that it has successfully activated the Isthmus hard fork, incorporating key features from Ethereum's Pectra upgrade into the OP Stack and Superchain. This upgrade occurred just two days after Pectra's launch on the Ethereum mainnet, making Superchain the first Layer 2 ecosystem to support the Pectra upgrade. The update includes enhancements for Base, Ink, OP Mainnet, Soneium, Unichain, and several other OP Stack chains.

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