mapbox-gl

New Features

• Add support for property functions for many style properties on line layers #3033

• Make Map#setStyle smoothly transition to the new style #3621

• Add styledata, sourcedata, styledataloading, and sourcedataloading events

• Add isSourceLoaded and source properties to MapDataEvent #3590

• Remove "max zoom" cap of 20 #3683

• Add circle-stroke-* style properties #3672

• Add a more helpful error message when the specified container element doesn't exist #3719

• Add watchPosition option to GeolocateControl #3739

• Add positionOptions option to GeolocateControl #3739

• Add aria-label to map canvas #3782

• Adjust multipoint symbol rendering behavior #3763

• Add support for property functions for icon-offset #3791

• Improved antialiasing on pitched lines #3790

• Allow attribution control to collapse to an ⓘ button on smaller screens #3783

• Improve line breaking algorithm #3743

Performance Improvements

• Fix memory leak when calling Map#removeSource #3602

• Reduce bundle size by adding custom build of gl-matrix #3734

• Improve performance of projection code #3721

• Improve performance of style function evaluation #3816

Bug fixes

• Fix exception thrown when using line-color property functions #3639

• Fix exception thrown when removing a layer and then adding another layer with the same id but different type #3655

• Fix exception thrown when passing a single point to Map#fitBounds #3655

• Fix exception thrown occasionally during rapid map mutations #3681

• Fix rendering defects on pitch=0 on some systems #3740

• Fix unnecessary CPU usage when displaying a raster layer #3764

• Fix bug causing sprite after Map#setStyle #3829

• Fix bug preventing Map from emitting a contextmenu event on Windows browsers #3822