mapbox-gl-js v0.20.0 发布了，改进日志如下：
New Features & Improvements
Add limited WMS support #2612
Add workerCount constructor option #2666
Improve performance of locationPoint and pointLocation #2690
Remove "Not using VertexArrayObject extension" warning messages #2707
Add version property to mapboxgl #2660
Support property functions in circle-opacity and circle-blur #2693
Bugfixes
Fix exception thrown by "drag rotate" handler #2680
Return an empty array instead of an empty object from queryRenderedFeatures #2694
Fix bug causing map to not render in IE
下载地址：https://github.com/mapbox/mapbox-gl-js/archive/v0.20.0.tar.gz
来自:开源中国社区
