ArbOS 20 “Atlas” Now Live: Bringing Ethereum Dencun Support to Arbitrum Chains

Written by Terence Tsao and Lee Bousfield — March 14, 2024 We’re elated to announce the much-anticipated release of ArbOS 20, affectionately dubbed “Atlas.” This milestone marks a significant leap forward for the Arbitrum ecosystem, introducing Ethereum Dencun support (EIP-4844, EIP-1153, EIP-5656, and EIP-6780) to Arbitrum chains, paving the way