Adds 'tooltip.className' option for additional custom CSS class.
August 15, 2019
New Version
Features
New in Highcharts v7.1.3
Added new 'minLinkWidth' option to sankey series.
Added support for 'label.formatter' callback for plot lines and plot bands.
Made chart credits accessible to screen readers.
Added support for number type in 'annotation.id'.
Added 'crop' and 'overflow' options for stack labels.
Added sensible defaults to plot lines and bands. A plot band can now be initialized with only a 'value', and a plot band with either 'from', 'to', or both.
Added new option 'accessibility.pointNavigationThreshold'.
Improved keyboard navigation for inverted charts, including bar charts.
Added support for Windows High Contrast Mode. A set of styling options are automatically set using chart/series/point update when WHCM is detected. The options automatically match the OS theme, but can be overridden with the new 'accessibility.highContrastTheme' option.
Added 'tooltip.className' option for additional custom CSS class.
New in Highcharts Gantt v7.1.3
Most changes listed under Highcharts 7.1.3 above also apply to Highcharts Gantt 7.1.3.
Fixes
Fixes in Highcharts 7.1.3
Fixed #11632, using plotOptions.series.marker.radius for all nodes in a network graph did not prevent them from being cut off.