v0.29.0

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