💎 Version 3.19.1

🆕 Enhancements

• New property in pie/donut - plotOptions.pie.startAngle. Thanks, @YtGz

🐞 Bug Fixes

• Prevent brush selection to go outside pane - fixes #738, fixes #1459
• Fix tooltip position for numerical bar charts
• Opposite y-axis should not shift the left position of chart beyond 0 - fixes #1599
• Fix for single data-point stacked bar charts - fixes #1617
• Fixed an issue where null values in a series were converted to {}
• Fix a bug in pie chart to allow single values - references #1611

💎 Version 3.19.0

🆕 Enhancements

• New property - borderRadius in annotation label

🐞 Bug Fixes

• Pie/donut chart - toggledatapointselection issue - fixes #1464
• X-axis timescale fix - fixes #1478
• Y-axis labels colors issue - fixes #1490
• Prevent mutating original series when hiding through legend. Fixes thin bar issues when series is hidden and reset zoom is pressed.
• Allow disabling y-axis tooltip in a multi-yaxes chart - fixes #1482
• showSeries method fix for stacked bar charts - fixes #1517
• Prevent drawing marker outside drawing area - fixes #1520
• Sync zoom and pan tools in synced charts - fixes #1530
• Change the dark theme color - references #218
• Data-labels bug fixes in bar charts - fixes #1524
• Grid line fixes for bar charts

Misc changes

• Fix wrong polish translation of zoomOut - Thanks, @fracz

💎 Version 3.18.1

🐞 Bug Fixes

• Update source chart on panning target chart - fixes #957
• Brush chart - prevent resetting brush to initial position - fixes #1104
• Distributed bar colors - fixes #1463; fixes #1468

Misc changes

• Added Hebrew local file - Thanks @meirroth
• Add a missing key in th.json local - @Saharak-Dove

💎 Version 3.18.0

🆕 Enhancements

• A new method for zooming on x-axis - zoomX
• New chart type - Polar Area Charts
• New property in timeline charts - plotOptions.bar.rangeBarOverlap; fixes #1153
• Border Width in radar spokes - fixes #1460

🐞 Bug Fixes

• Function in colors - fixes #1416
• Logarithmic annotation - fixes #1431
• Zooming, panning on log scale - fixes #1446
• Fixed export bug in radar chart - fixes #1458
• CSV export duplication issue - fixes #1452

💎 Version 3.17.1

🆕 Enhancements

• Sort the datetime/numeric x-axis before drawing - fixes #1400
• Annotation fill - allow 8 digit hex; fixes #1410
• Allow rgba in fill.colors as well as allow 8 digit hex with alpha - fixes #1420

🐞 Bug Fixes

• Exporting PNG/SVG issue fixes
• isSeriesNull() bug fix
• Radar datalabels formatter - fixes #1398
• Heatmap annotation fix - fixes #1201
• Point annotation image fix
• Stacked bar chart - negative bug; fixes #1372
• Fixed zoom type y - fixes #1422
• Strokewidth issue in bars - fixes #1435
• Legend querySelector issue - fixes #1441

Misc changes

• Image annotation in samples

💎 Version 3.17.0

🆕 Enhancements

• Bar chart new property - startingShape
• New property - yaxis.showForNullSeries - fixes #1299
• New property - plotOptions.heatmap.useFillColorAsStroke

🐞 Bug Fixes

• X-axis title in horizontal bar chart - offset fix
• Legend height issue on mobile - fixes #636, fixes #1328
• Fixed a bug in stacked bar where 0 values were ignored - fixes #1367
• Tooltip for range-bar issue - fixes apexcharts/vue-apexcharts#215
• Grid row colors bug - fixes #1377
• Data-labels in bar charts improved.
• X-axis 1st January fix for day scale - fixes #1378
• Replace querySelectors with getElementsByClassName - fixes #1310
• Prevent undefined printed in the tooltip if series is collapsed

Misc changes

• Add Polish locale - Thanks, @TheDoctor0

💎 Version 3.16.1

🔥 Breaking Changes

• Removed public methods - addText(), addImage() and addRect(). These things are moved to annotations config
• New Annotation types added annotations.texts, annotations.images and annotations.shapes.

🆕 Enhancements

• Improved top positioned x-axis placement
• Font-weight for xaxis labels - fixes #1352
• Radar chart toggle series improvement
• New property - dataLabels.distributed: true | false

🐞 Bug Fixes

• Gradient fix - fixes #1345
• Gridline drawing fix - fixes #1346

Misc changes

An attempt to fix the babel issue #1359 didn't work well.

💎 Version 3.16.0

🆕 Enhancements

• foreColor in heatmap data-labels based on the range - fixes #1303
• Add toolbar offsets - fixes #1314
• Show starting and ending year for combo chart; make x-axis years denser.
• New method - addRect

🐞 Bug Fixes

• Heatmap bug fix. Prevent mutating 0 values - fixes #1313
• reset xaxis fails on multiple charts - fixes #1293
• Prevent resetting legend when updateOptions() method is called

💎 Version 3.15.6

🆕 Enhancements

• Added font-weight properties to labels and titles
• Multiseries CSV export improvement - fixes #1177
• autoScaleYaxis in a brush chart disabled for multi-series - fixes #1294
• Reset zoom on reset series - fixes #1302

🐞 Bug Fixes

• Show marker when the value is null in a line/area chart - fixes #1252
• Animation bug - fixes apexcharts/vue-apexcharts#75
• Panning bugs - fixes #1287
• Fixed stacked bars with line issue - fixes #1215
• Gridlines fix for empty column chart - fixes #1291
• IE11 PNG support improved - Thanks @jaksim

💎 Version 3.15.5

🐞 Bug Fixes

• Revert PR #1258 for stacked bar chart #1215 as it broke normal stacked column charts