Worked on magento/ece-tools to deliver a feature focused on end-of-life lifecycle data maintenance for key dependencies, including PHP, MariaDB, RabbitMQ, Redis, Valkey, and OpenSearch. Updated the eol.yaml configuration file to reflect current supported versions, ensuring accurate lifecycle information is available for downstream deployments. Emphasized configuration management best practices by synchronizing changes across the repository, reducing risk and improving data accuracy in deployment workflows. Utilized YAML for configuration updates and applied a methodical approach to maintaining business-critical data. The work addressed the need for up-to-date dependency information, supporting reliable and secure deployment processes within the Magento ecosystem.