The Holesky failure wasn’t connected to an issue with Pectra itself but rather due to a configuration issue between key pieces of client software that help run Ethereum.

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Ethereum developers will launch 'shadow fork' to continue Pectra upgrade research after Holesky testnet mishap

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The Holesky testnet failure in February 2025 was caused by a configuration issue within Ethereum client software, not by the Pectra upgrade itsel

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Ethereum developers postponed the rollout of the Pectra upgrade on Ethereum's mainnet due to configuration bugs discovered during tests on the Holesky and Sepolia testnets

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The Holesky testnet failure in February 2025 was caused by a configuration issue within Ethereum client software, not by the Pectra upgrade itsel

Ethereum developers postponed the rollout of the Pectra upgrade on Ethereum's mainnet due to configuration bugs discovered during tests on the Holesky and Sepolia testnets