The Calypso upgrade has been deployed on the Tezos L2 Etherlink, enhancing functionalities such as speed, efficiency, and resilience for dApp developers. This upgrade introduces significant improvements, including a 30x increase in smart contract storage speed, smaller storage footprint for nodes, and improved governance, which facilitates easier protocol decision-making participation by node operators. Additionally, the update has made Etherlink more robust with better security and infrastructure, supporting faster XTZ withdrawals and other modern enhancements vital for decentralized application development.