mapbox-gl-js v0.21.0 发布了，MapBox 是 iOS 上 MapKit 的一个开源实现。
本次发布主要改进如下：
新特性 & 增强
Add text-pitch-alignment style property #2668
Allow query parameters on mapbox:// URLs #2702
Add icon-text-fit and icon-text-fit-padding style properties #2720
Enable property functions for icon-rotate #2738
Enable property functions for fill-opacity #2733
Fire Map#mouseout events #2777
Allow query parameters on all sprite URLs #2772
Increase sprite atlas size from 512px to 1024px square, allowing more and larger sprites #2802
Add Marker class #2725 #2810
Add {quadkey} URL parameter #2805
Add circle-pitch-scale style property #2821
Bug fixes
Fix rendering of layers with large numbers of features #2794
Fix exceptions thrown during drag-rotate interactions #2840
Fix error when adding and removing a layer within the same update cycle #2845
Fix false "Geometry exceeds allowed extent" warnings #2568
Fix Map#loaded returning true while there are outstanding tile updates #2847
Fix style validation error thrown while removing a filter #2847
Fix event data object not being passed for double click events #2814
Fix multipolygons disappearing from map at certain zoom levels #2704
Fix exceptions caused by queryRenderedFeatures in Safari and Firefox #2822
Fix mapboxgl#supported() returning true in old versions of IE11 mapbox/mapbox-gl-supported#
软件详情：https://github.com/mapbox/mapbox-gl-supported/
来自:开源中国社区
