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has just had its first major upgrade, or “hard fork,” since transitioning to a proof-of-stake system. The Shanghai upgrade allows validators to withdraw the staked ether (ETH) that has been locked in the network.
While the primary objective of the upgrade is to implement Ethereum Improvement Proposal-4895, which unlocks validator withdrawals, the changes include other significant upgrades that will impact Ethereum app developers and many of the chain’s users.