During March 2026, this developer focused on improving the stability of digital elevation model (DEM) tile loading in the maplibre/maplibre-gl-js repository. They addressed a bug in the RasterDEMTileSource component where tiles could become stuck in a reloading state, ensuring a reliable transition to the loaded state. Their approach included implementing early returns and refining conditional logic in TypeScript, as well as collaborating with peers to verify edge cases. To support maintainability, they expanded unit test coverage and updated documentation, including the changelog. Their work emphasized robust front end development practices and contributed to more predictable tile rendering behavior.