During the month, contributed to the firebase/firebase-tools repository by upgrading the Firebase Local Toolkit to version 2.15.0, focusing on enhancing Dart object hashing through the adoption of Object.hashAll(). This update improved the reliability and performance of Dart-generated objects and ensured clearer hashing semantics, aligning the toolkit more closely with downstream tooling requirements. The work involved careful dependency management, changelog maintenance in Markdown, and validation of compatibility with existing workflows to support a seamless rollout. Demonstrated skills in build tools and version upgrade processes, with attention to maintaining documentation and minimizing disruption to established development environments during the transition.