MapBox-gl-js 0.29 发布了，MapBox 是 iOS 上 MapKit 的一个开源实现。
更新内容：
新特性
为线图层上的许多样式属性添加对属性函数的支持
使Map＃setStyle平滑地过渡到新的样式
添加styledata，sourcedata，styledataloading和sourcedataloading事件
将isSourceLoaded和源属性添加到MapDataEvent
移除20的最大缩放上限
性能提升
Fix memory leak when calling Map#removeSource
Reduce bundle size by adding custom build of gl-matrix
Improve performance of projection code
Improve performance of style function evaluation
Bug 修复
Fix exception thrown when using line-color property functions
Fix exception thrown when removing a layer and then adding another layer with the same id but different type
Fix exception thrown when passing a single point to Map#fitBounds
Fix exception thrown occasionally during rapid map mutations
Fix rendering defects on pitch=0 on some systems
Fix unnecessary CPU usage when displaying a raster layer
Fix bug causing sprite after Map#setStyle
Fix bug preventing Map from emitting a contextmenu event on Windows browsers
软件详情：https://github.com/mapbox/mapbox-gl-js/releases
下载地址：https://github.com/mapbox/mapbox-gl-js/archive/v0.29.0.zip
来自:开源中国社区
