Added option xAxis.margin to ensure a distance between multiple axes on the same side.
UPGRADE NOTESEXPANDCOLLAPSE
Renamed plotOptions.treemap.allowDrillToNode to allowTraversingTree to avoid confusion with the drilldown module that has a different behaviour.
15 BUGFIXESEXPANDCOLLAPSE
Fixed #10006, wrong intersection position in venn.
Fixed #10038, series labels didn’t fit on area series when rendered on data extreme.
Fixed #3417, label text-anchor with empty align attribute was set to undefined.
Fixed #7048, tooltips didn’t appear on null values in heatmap when in boost mode.
Fixed #7872, pass proper parameters to animation step when animation is skipped. Resolved issue with wrong column chart placement when rendered in a hidden tab.
Fixed #9823, disabled draggable triggered drop event.
Fixed #9838, dissappearing traverseUpButton.
Fixed #9930, warnings of deprecated e.returnValue in Chrome console.
Fixed #9944, incorrect Y axis extremes after zooming X axis with a column series.
Fixed #9964, title top margin applied when text was empty.
Fixed #9978, horizontal scrollbar on RTL charts with a11y module.
Fixed ARIA for show/hide legend items.
Fixed draggable points capturing click events.
Fixed endless recursion in sankey charts on circular data. See #8218.
Fixed issue with series event handlers not surviving series.update. Partial fix for #10010.