Fixed #22679 , the tooltip background sometimes disappeared after dragging range selector when using useHTML.
Fixed #22981, rounding of y-values for the plot lines with Highcharts Stock resulted in misaligned grid lines.
Fixed #21217, navigator was still rendered after disabling it in setOptions.
Fixed #21715, IE11 failure because polyfill for the Array.fill method was not included in es5 files.
Fixed #22657, annotation dragging and resizing over flags series was incorrect.
Fixed #21606, chart was not panning to the overscroll area.
HIGHCHARTS CORE v12.3.0 CHANGES
These core changes also apply to this moduleEXPANDCOLLAPSE
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. Read
more in the docs.
Added new theme, adaptive.js, supporting dark/light mode switching with the default palette in non-styled mode.
UPGRADE NOTESEXPANDCOLLAPSE
PNG, JPEG and SVG exports from the context menu will now be handled locally in the browser, unless explicitly disabled by setting exporting.local to false.
11 BUGFIXESEXPANDCOLLAPSE
Fixed #22892, hovering a changing packed bubble series could result in error thrown.
Fixed #22563, Accessibility module caused a deprecation warning in Edge.