"# DTN Map Tile API Release Notes ## Version 2.0.16 - March 30th, 2026 ### What's New - **Layer enhancements**: - Added more pavement conditions to the Pavement Conditions layer - Reduced timestamp interval of Synthetic Radar - Contour (Global) from 10 minutes to 5 minutes - Moved Total Cloud Cover layer to dynamic contouring approach - **Security updates**: - Brought a number of third party libraries up to date. ### Bug Fixes - **Fixed aesthetic issues**: - Smoothed out pixelated precip type intersections in Precipitation Rate/Type layer - Fixed pressure center clipping in Surface Fronts layer raster tiles ## Version 2.0.15 - March 16th, 2026 ### What's New - **New Layer**: - Air Quality Index Observation Layer - **Layer enhancements**: - Accommodate SPC Outlook CIG changes - Pavement Condtions Enhancements - Radar Coverage for Europe Precip Rate - **Security updates**: - Upgrade third party libraries to keep security up to date ## Version 2.0.14 - Feb 16th, 2026 ### What's New - **Layer enhancements**: - Updated NWS weather bulletin alert types - Aesthetic improvement in precipitation probability - **Security updates**: - Upgrade third party libraries to keep security up to date ## Version 2.0.13 - Feb 2nd, 2026 ### What's New - **Layer enhancements**: - Added additional location metadata to Single Site Radar Locations layer. - Adjusted direction labels for Atmospheric Conditions layer. - Added wind radii to tropical storm layers. ### Bug Fixes - **Global Weather Bulletins tooltip fix**: Added new properties for styling and logic purposes. - **Changes in contouring backend service**: Various bug fixes to the backend contouring service. ## Version 2.0.12 - Jan 21st, 2026 ### What's New - **Multi-language support for geocoder**: - Enabled multi language support in our geocoder - **Layer enhancements**: - Aesthetic improvements in dynamically generated contours - **Security updates**: - Upgrade third party libraries to keep security up to date ## Version 2.0.11 - December 9th, 2025 ### What's New - **New radar layers**: - Added raster layers for all observed and forecast radar regions in WeatherHub catalog. - **Layer enhancements**: - Moved more layers to on-demand contouring approach. - Enabled raster smoothing on radar layers. - Updated the single-site radar color palette to minimize low-level noise. - **Added smoothingProfile parameter**: Allowed raster smoothing in applicable layers, given by `supportsRasterSmoothing` metadata attribute. ## Version 2.0.10 - November 24th, 2025 ### What's New - **Layer enhancements**: - Moved more layers to on-demand contouring approach. ## Version 2.0.9 - November 10th, 2025 ### What's New - **Added paletteOverride parameter**: Allowed overrides in default color palettes in applicable layers, given by `supportsPaletteOverride` metadata attribute. - **New static layer**: Added Pseudo Farms layer. - **Layer enhancements**: - Moved more layers to on-demand contouring approach. - Ice Accretion layer: Renamed to \"Ice Accretion Last 1 Hour\" and changed the tooltip label accordingly. ### Security updates - **Keep 3rd party libraries up to date**: Brought a number of 3rd party libraries up to date. ## Version 2.0.8 - October 27th, 2025 ### What's New - **Layer enhancements**: - Align color palettes for sfcanlys-wind-speed-contours and fcst-onefx-wind-speed-contours - Change forecast model behind fcst-onefx-wind-symbol-grid to align with other wind layers ## Version 2.0.7 - September 29th, 2025 ### What's New - **New forecast layers**: Relative Humidity - **Existing forecast layers**: Migrate few forecast layers to on-demand contouring ## Version 2.0.6 - September 15th, 2025 ### What's New - **New forecast layers**: Road Frost Probability, Bridge Frost Probability, and Soil Moisture - **Change in Hot Dry Windy Index layer**: Changed the interval of forecast periods from every 3h to every 1h ### Bug Fixes - **Vector tile fixes**: Removed gap at the antimeridian for marine grid and symbol layers, and on-demand contour layers - **Tooltip label fixes**: Corrected labels for tooltips of QPE layers ## Version 2.0.5 - September 3rd, 2025 ### What's New - **Changes in contouring engine**: new engine for contouring data on-demand in selected layers (current speed, marine wind speed, significant wave height, hot windy index) - **Catalog changes**: global storm corridors has been renamed to Storm Nowcasts. ### Security updates - **Keep 3rd party libraries up to date**: Brought a number of 3rd party libraries up to date. ## Version 2.0.4 - August 28th, 2025 ### What's New - **Changes in surface fronts layer**: new symbology for major hurricanes in surface fronts and a filter to show storms under investigation (which are hidden by default). ## Version 2.0.3 - August 18th, 2025 ### What's New - **New Layer Single Site Coverage Area**: Removed coverage area from Single Site Radar layer and moved to a coverage area layer. ### Security updates - **Keep 3rd party libraries up to date**: Brought a number of 3rd party libraries up to date. ## Version 2.0.2 - August 4th, 2025 ### What's New - **Enhancements to Global Lightning**: New lightning icons to distinguish cloud-to-ground and cloud-to-cloud strokes. - **Legends improvements**: Cleaned up the values and changed `kt` to `knots` in applicable layers. - **New vector tile properties**: Added `validTime` properties to all applicable layers. ## Version 2.0.1 - July 21st, 2025 ### What's New - **Display name change in layers**: Changed display names for Global Synthetic Radar to keep consistency with other layerIds in the catalog. - **Changes in contouring backend service**: Minor performance enhancements. ### Bug Fixes - **Tooltip fixes**: Global Storm Corridors and Tropical Storm tooltip adjustments where data was shown as 'Not available' ### Security updates - **Keep 3rd party libraries up to date**: Brought a number of 3rd party libraries up to date. ## Version 2.0.0 - July 7th, 2025 ### What's New - **New European Precipitation Layers**: Added observation and forecast layers as well as the grid (raster) and contoured version bringing the number of new layers to 4. These layers will be a precip rate version with units in (mm/h) rather than existing radar reflectivity version in dbz. - **Adjustments to the Future 1 Hr Hail Swaths**: Changed layer name from Future 1h Hail Swaths – Large/Small Diameter (US & Canada) to Hail Nowcast (US & Canada). Added 2 new properties which are Hail probability and Maximum hail size. ### Bug Fixes - **Adjustments to the Current direction**: Adjusted the style of fcst-manta-current-direction-grid to correct the rotation of the icons by 180 degrees. For more details, visit our [API Documentation](https://devportal.dtn.com/catalog/Weather/dtn-map-tile-api/2.0.0#overview). "