During January 2025, Justin contributed to the maplibre-native repository by addressing a critical issue affecting HeatmapLayer data ingestion in Android applications. He identified and fixed a broken GeoJSON data source URL, ensuring that earthquake data loads reliably for end users. Working primarily with Kotlin and leveraging his Android development expertise, Justin implemented a concise, well-scoped code change that restored data integrity and improved the stability of the HeatmapLayer feature. He also updated documentation references to prevent future regressions. This targeted bug fix demonstrated careful debugging and a methodical approach to maintaining robust data flows within the maplibre-native project.