During April 2025, Alex D. focused on enhancing the Ephember integration within the home-assistant/core repository by delivering multi-home and multi-zone management features. Using Python and leveraging API integration skills, Alex migrated the Ephember component to the newer pyephember2 library, improving compatibility and setting a foundation for future updates. The work included implementing a unique identifier for EphEmber thermostats, which addressed device identification challenges across multiple homes and zones. These backend development efforts increased the reliability and scalability of cross-home deployments, reduced identification errors, and modernized the codebase, demonstrating a thoughtful approach to maintainability and extensibility in home automation.