Worked on dependency modernization within the mib1185/homeassistant-core repository, focusing on upgrading the ical library to version 12.1.3 across multiple core components. This targeted update improved compatibility with newer ICS formats and ensured access to the latest features and bug fixes, directly supporting the stability and future enhancement of calendar-related functionality. The approach emphasized careful dependency management and version control, with changes validated through targeted testing to minimize integration risks. Utilizing JSON for configuration and coordination, the work reduced maintenance overhead and aligned with business goals to streamline future upgrades and maintain robust, reliable calendar features within the codebase.