Normally reaching version 1.0 is a big deal but Mapbox didn’t make much of a fuss for Mapbox GL JS, probably because the bump in version was mostly down to moving to a new pricing model. Instead of charging for map ‘views’ they now charge for map 'loads’, making cost much easier to reason.

Interactive, thoroughly customizable maps in the browser, powered by vector tiles and WebGL - mapbox/mapbox-gl-js