Woofun AI reports that Base has confirmed the September launch of the Cobalt upgrade, which centers on three core user experience enhancements. The update introduces Sponsorship, enabling applications to cover transaction fees for users to achieve gas-free interactions.

Additionally, Batch Calls allow multiple transactions to be bundled into a single operation, minimizing operational steps, while Session Keys permit users to authorize apps to sign transactions within defined scopes, eliminating the need for repeated approvals.