Released: Jun 21, 2025

Updates in v12.3.0

Features

• New in Highcharts Core v12.3.0:
  • Refactored the exporting modules (exporting.js and offline-exporting.js), making local export default for the PNG, JPEG, and SVG types.
  • Introduced a new module non-cartesian-zoom, which adds zooming functionality to non-cartesian series like treegraph, sankey, wordcloud, pie and more.
  • Added new adaptive.js theme, supporting dark/light mode switching with the default palette in non-styled mode.

Fixes

• The tooltip background sometimes disappeared after dragging range selector when using useHTML.
• Rounding of y-values for the plot lines with Highcharts Stock resulted in misaligned grid lines.
• Navigator was still rendered after disabling it in setOptions.
• IE11 failure because polyfill for the Array.fill method was not included in es5 files.
• Annotation dragging and resizing over flags series was incorrect.
• Chart was not panning to the overscroll area.
• Fixes in Highcharts Core v12.3.0:
  • Hovering a changing packed bubble series could result in error thrown.
  • Accessibility module caused a deprecation warning in Edge.
  • Users could not supply strings of numbers for style.borderRadius.
  • Hovered points in boost mode persisted outside the plot area after zoom.
  • Bar series hover style with was not applied in styled mode.
  • Selection event did not fire when selecting full x-axis range.
  • Could not toggle series visibility after loading highcharts-more.js dynamically.
  • Disappearing points in item charts with height constraint.
  • Local PDF export for a boosted chart was not working.
  • Wrong linear x-axis extremes for variwide series.
  • Sorting the data export table broke the DOM structure, affecting styling.