<ul><li>Arbitrum has launched a community vote on its latest protocol upgrade, ArbOS Version 40 'Callisto,' which aims to align with Ethereum's Pectra update and introduce key EIPs for enhanced functionality.</li><li>ArbOS 40 brings features like enhanced account abstraction for user wallets, modern cryptography support, and on-chain storage of historical block hashes, aiming to make applications more powerful and user-friendly.</li><li>The upgrade also includes a fix for the Stylus virtual machine to improve accuracy and predictability for developers, ensuring a smoother development workflow and more secure applications.</li><li>Arbitrum has received strong community support for ArbOS 40, with 78% of the required quorum already in favor of the upgrade, indicating a high likelihood of its success and boosting Arbitrum's infrastructure and interoperability with Ethereum.</li></ul>

Arbitrum Launches Vote on ArbOS 40 “Callisto” Upgrade: A Leap Toward Ethereum Alignment and Native Account Abstraction

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