# Changelog for Highcharts v10.3.0 (2022-10-31)

- Added new feature, [zooming on polar charts](https://www.highcharts.com/samples/highcharts/chart/zoomtype-polar). See [#16992](https://github.com/highcharts/highcharts/issues/16992).
- Added new feature, [series.label.useHTML](https://api.highcharts.com/highcharts/plotOptions.series.label) to support HTML formatting in series labels. See [#17282](https://github.com/highcharts/highcharts/issues/17282).
- Made the legend items of venn diagrams list the names of points instead of the names of series, see [#17113](https://github.com/highcharts/highcharts/issues/17113).
- Changed the [default values](https://api.highcharts.com/highcharts/plotOptions.dependencywheel.dataLabels.textPath.attributes) for dependency wheel data label vertical positioning.

## Bug fixes
- Fixed [#17839](https://github.com/highcharts/highcharts/issues/17839), spacebar would not toggle items in the legend when using the accessibility module.
- Fixed [#17538](https://github.com/highcharts/highcharts/issues/17538), export failed in Firefox using styled mode and CSS variables.
- Fixed [#17315](https://github.com/highcharts/highcharts/issues/17315), item series custom marker was stretched after redrawing.
- Fixed [#14226](https://github.com/highcharts/highcharts/issues/14226), auto rotation of tick labels didn't work when step set to 1.
- Fixed [#17685](https://github.com/highcharts/highcharts/issues/17685), the tooltip sometimes got stuck when combining the `useHTML` and [stickOnContact](https://api.highcharts.com/highcharts/tooltip.stickOnContact) options.
- Fixed [#17177](https://github.com/highcharts/highcharts/issues/17177), updating [tooltip.followTouchMove](https://api.highcharts.com/highcharts/tooltip.followTouchMove) didn't work.
- Fixed [#17785](https://github.com/highcharts/highcharts/issues/17785), a regression causing drag and drop of bubbles between packed bubble groups to fail.
- Fixed [#17630](https://github.com/highcharts/highcharts/issues/17630), making it possible to display percentage values when hovering over a boosted stacked point.
- Fixed [#17288](https://github.com/highcharts/highcharts/issues/17288), pie chart shadows were not applied on update.
- Fixed [#17639](https://github.com/highcharts/highcharts/issues/17639), exporting feature was removing duplicated points.
- Fixed [#17677](https://github.com/highcharts/highcharts/issues/17677), a regression causing text and outline out of alignment for sunburst data labels.
- Fixed [#17610](https://github.com/highcharts/highcharts/issues/17610), [centerInCategory](https://api.highcharts.com/highcharts/plotOptions.column.centerInCategory) did not consider columns with the same x-value when centering them.