# Changelog - Enable responsive trackpad pinch zoom on the globe. Browser pixel-mode `Ctrl+wheel` pinch gestures now reach Cesium with bounded amplification, while ordinary wheel, line-mode and touch-pinch inputs retain their existing behavior; the listener is removed with the application scene. - Report AIS speed and course that carry the standard "not available" code as unknown instead of 102.3 knots and 360 degrees. Genuine readings, including a stopped vessel's zero and the highest encodable values, are unchanged. - Render native `