--- Highcharts 12.6.0 official release ---

TorsteinHonsi · TorsteinHonsi · commit b0b7d196cec1 · 2026-04-13T09:22:07.000+02:00
diff --git a/bower.json b/bower.json
@@ -1,6 +1,6 @@
 {
     "name": "highcharts",
-    "version": "12.5.0",
+    "version": "12.6.0",
     "description": "JavaScript charting framework",
     "main": "lib/highcharts.js",
     "authors": [
diff --git a/build-properties.json b/build-properties.json
@@ -1,6 +1,6 @@
 {
-  "date": "",
-  "version": "12.5.0-modified",
+  "date": "2026-04-10",
+  "version": "12.6.0",
   "products": {
     "Highcharts": {
       "cdnpath": "",
diff --git a/changelog/changelog.html b/changelog/changelog.html
diff --git a/changelog/highcharts-gantt/12.6.0.md b/changelog/highcharts-gantt/12.6.0.md
@@ -0,0 +1,6 @@
+# Changelog for Highcharts Gantt v12.6.0 (2026-04-13)
+
+- Most changes listed under Highcharts 12.6.0 above also apply to Highcharts Gantt 12.6.0.
+
+## Bug fixes
+- Fixed [#558](https://github.com/highcharts/highcharts-react/issues/558), pattern module crashed with Gantt charts in React.
diff --git a/changelog/highcharts-maps/12.6.0.md b/changelog/highcharts-maps/12.6.0.md
@@ -0,0 +1,10 @@
+# Changelog for Highcharts Maps v12.6.0 (2026-04-13)
+
+- Most changes listed under Highcharts 12.6.0 above also apply to Highcharts Maps 12.6.0.
+- Added `colorAxis.title` option, to allow a separate title for each color scale in the legend. See [#14107](https://github.com/highcharts/highcharts/issues/14107).
+
+## Bug fixes
+- Fixed [#24451](https://github.com/highcharts/highcharts/issues/24451), ghost elements in map after point update.
+- Fixed [#23723](https://github.com/highcharts/highcharts/issues/23723), `mapView` inset borders were not clipped correctly.
+- Fixed [#23760](https://github.com/highcharts/highcharts/issues/23760), data label was hidden when drilled down and up.
+- Fixed [#23541](https://github.com/highcharts/highcharts/issues/23541), pie data label distribution froze for equal ranks.
diff --git a/changelog/highcharts-stock/12.6.0.md b/changelog/highcharts-stock/12.6.0.md
@@ -0,0 +1,16 @@
+# Changelog for Highcharts Stock v12.6.0 (2026-04-13)
+
+- Most changes listed under Highcharts 12.6.0 above also apply to Highcharts Stock 12.6.0.
+- Added navigator supports for live redraw without scrollbar, see [#23798](https://github.com/highcharts/highcharts/issues/23798).
+- Added color picker and opacity inputs for annotations popup, see [#1677](https://github.com/highcharts/highcharts/issues/1677)6.
+
+## Upgrade notes
+- Navigator with disabled scrollbar now supports the [live redraw option](https://api.highcharts.com/highstock/scrollbar.liveRedraw). To enable or disable live redraw on the navigator, even with disabled scrollbar, use [scrollbar.liveRedraw](https://api.highcharts.com/highstock/scrollbar.liveRedraw).
+
+## Bug fixes
+- Fixed [#23871](https://github.com/highcharts/highcharts/issues/23871), uncaught error when legend was undefined and starting with YTD selected on the range selector.
+- Fixed [#21775](https://github.com/highcharts/highcharts/issues/21775), toggling navigator would shrink the chart.
+- Fixed [#24247](https://github.com/highcharts/highcharts/issues/24247), `StockTools` GUI types were incorrect.
+- Fixed [#23011](https://github.com/highcharts/highcharts/issues/23011), missing aria labels in stock toolbar.
+- Fixed [#24114](https://github.com/highcharts/highcharts/issues/24114), [#24057](https://github.com/highcharts/highcharts/issues/24057) [setExtremes](https://api.highcharts.com/highstock/xAxis.events.setExtremes)  and `setRange` event was called more than once on navigator.
+- Fixed [#24031](https://github.com/highcharts/highcharts/issues/24031), compare percent values calculation was not correct for negative points.
diff --git a/changelog/highcharts/12.6.0.md b/changelog/highcharts/12.6.0.md
@@ -0,0 +1,47 @@
+# Changelog for Highcharts v12.6.0 (2026-04-13)
+
+- Added experimental [contour plot](https://www.highcharts.com/docs/chart-and-series-types/contour) functionality to Highcharts, with WebGPU rendering. See [#17324](https://github.com/highcharts/highcharts/issues/17324).
+- Added the ability to use axis units for global setting for annotation points drawing and sizing, see [#2361](https://github.com/highcharts/highcharts/issues/2361)2.
+- Added full support for arrow-functions as callbacks by giving them the context as a separate argument, see [#9050](https://github.com/highcharts/highcharts/issues/9050).
+- Added support for anchored pattern fills, see [#23567](https://github.com/highcharts/highcharts/issues/23567).
+- Added `showDelay` option for tooltip and crosshair, see [#9286](https://github.com/highcharts/highcharts/issues/9286).
+- Added new option, [boost.chunkSize](https://api.highcharts.com/highcharts/boost.chunkSize) option to allow fine tuning the performance of tooltip position indexing in boosted charts. See [#23902](https://github.com/highcharts/highcharts/issues/23902).
+- Added [click event callback](https://api.highcharts.com/highcharts/credits.events.click) for credits.
+
+## Upgrade notes
+- Setting `xAxis` and/or `yAxis` on annotations [shapes](https://api.highcharts.com/highcharts/annotations.shapes) or [shapeOptions](https://api.highcharts.com/highcharts/annotations.shapeOptions) will convert the point `x` and `y` units, and dimensions like `width`, `height`, `r` and `ry` to axis units.
+
+## Bug fixes
+- Fixed [#22758](https://github.com/highcharts/highcharts/issues/22758), long label text was not clipped to plot area.
+- Fixed [#24138](https://github.com/highcharts/highcharts/issues/24138), `zMin` for bubble series was not changed on `series.update()`.
+- Fixed issue with setting position styles for `loading`.
+- Fixed [#23477](https://github.com/highcharts/highcharts/issues/23477), styles from shadow DOM weren't applied to exported chart.
+- Fixed [#24104](https://github.com/highcharts/highcharts/issues/24104), tooltip with large padding overflowed on narrow charts.
+- Fixed [#23508](https://github.com/highcharts/highcharts/issues/23508), incorrect axes in `scrollablePlotArea` with multiple chart instances.
+- Fixed [#23654](https://github.com/highcharts/highcharts/issues/23654), wrong `dateTime` parsing when exporting data set as date string.
+- Fixed [#24073](https://github.com/highcharts/highcharts/issues/24073), object data in histogram caused error.
+- Fixed [#24096](https://github.com/highcharts/highcharts/issues/24096), missing point events for scatter points on the edge of the plot area.
+- Fixed [#23674](https://github.com/highcharts/highcharts/issues/23674), rotated step axis labels were cut off.
+- Fixed [#21725](https://github.com/highcharts/highcharts/issues/21725), `pie.dataLabels` with negative distance set missing after update or visibility toggle.
+- Fixed [#23850](https://github.com/highcharts/highcharts/issues/23850), tooltip position was affected by chart position when tooltip was outside and using positioner.
+- Fixed [#24220](https://github.com/highcharts/highcharts/issues/24220), treemap data labels outside of zoomed range were still visible.
+- Fixed [#24323](https://github.com/highcharts/highcharts/issues/24323), subtitle alignment could not be unset dynamically.
+- Fixed [#22330](https://github.com/highcharts/highcharts/issues/22330), rendering of waterfall points crossing axis break was incorrect.
+- Fixed [#24102](https://github.com/highcharts/highcharts/issues/24102), a regression causing boosted series being invisible in online exports, when [exporting.local](https://api.highcharts.com/highcharts/exporting.local) was false.
+- Fixed [#24164](https://github.com/highcharts/highcharts/issues/24164), ghost markers appeared when updating a11y series data.
+- Fixed [#23307](https://github.com/highcharts/highcharts/issues/23307), `minPointLength` didn't grow in the right direction for small negative values.
+- Fixed [#23712](https://github.com/highcharts/highcharts/issues/23712), flex caused infinite chart reflows.
+- Fixed [#24186](https://github.com/highcharts/highcharts/issues/24186), custom [pixelRatio](https://api.highcharts.com/highcharts/boost.pixelRatio) broke rendering series by boost.
+- Fixed [#24126](https://github.com/highcharts/highcharts/issues/24126), `negativeColor` was not applied in styled mode.
+- Fixed [#24265](https://github.com/highcharts/highcharts/issues/24265), broken tooltip rendering in some locales, upper case first was not applied to titles with combining marks.
+- Fixed [#23566](https://github.com/highcharts/highcharts/issues/23566), the ES5 build for the AMD package was incorrect.
+- Fixed [#24225](https://github.com/highcharts/highcharts/issues/24225), animated data updates didn't work when [chart.allowMutatingData](https://api.highcharts.com/highcharts/chart.allowMutatingData) was false.
+- Fixed [#24042](https://github.com/highcharts/highcharts/issues/24042), wrong rendering of 3d chart series when data grouping kicked in.
+- Fixed [#23843](https://github.com/highcharts/highcharts/issues/23843), `colorAxis` marker didn't animate when moving.
+- Fixed [#16583](https://github.com/highcharts/highcharts/issues/16583), [zoomKey](https://api.highcharts.com/highcharts/chart.zoomKey) and [panKey](https://api.highcharts.com/highcharts/chart.panKey) were ignored when set together.
+- Fixed [#23879](https://github.com/highcharts/highcharts/issues/23879), exporting process stopped and gave error when failed to fetch CSS.
+- Fixed [#23662](https://github.com/highcharts/highcharts/issues/23662), [boostThreshold](https://api.highcharts.com/highcharts/plotOptions.series.boostThreshold) 0 did not disable boost as documented.
+- Fixed [#23730](https://github.com/highcharts/highcharts/issues/23730), more forgiving point configuration options when exceeding `turboThreshold`.
+- Fixed [#23946](https://github.com/highcharts/highcharts/issues/23946), bad clipping in an inverted chart if a series had shadow enabled.
+- Fixed [#23993](https://github.com/highcharts/highcharts/issues/23993), in some cases the y-axis labels were taking too much space.
+- Fixed [#20322](https://github.com/highcharts/highcharts/issues/20322), the color axis did not work with wordcloud.
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "highcharts",
-  "version": "12.5.0",
+  "version": "12.6.0",
   "private": true,
   "description": "JavaScript charting framework",
   "module": "esm/highcharts.js",
diff --git a/samples/highcharts/studies/puzzle/demo.js b/samples/highcharts/studies/puzzle/demo.js
@@ -49,10 +49,20 @@
 
         function updateCount(diff) {
             chart.puzzle.remaining += diff;
-            chart.puzzleCount.attr({
-                text: (chart.puzzle.total - chart.puzzle.remaining) +
-                    ' / ' + chart.puzzle.total
-            });
+
+            if (chart.puzzle.remaining) {
+                chart.puzzleCount.attr({
+                    text: (chart.puzzle.total - chart.puzzle.remaining) +
+                        ' / ' + chart.puzzle.total
+                });
+            } else {
+                chart.puzzleCount
+                    .attr({ text: '🎉' })
+                    .animate({ opacity: 0 }, {
+                        defer: 1000,
+                        duration: 1000
+                    });
+            }
         }
         updateCount(0);
 
@@ -93,6 +103,8 @@
                     chartX: e.chartX,
                     chartY: e.chartY,
                     scale: graphic.scaleX,
+                    seriesScale: point?.series.transformGroups[0]
+                        .attr('scaleX'),
                     translateX: graphic.translateX,
                     translateY: graphic.translateY
                 };
@@ -118,16 +130,19 @@
                 startTranslateY = dragStart.translateY / dragStart.scale;
 
                 // Get the movement
-                translateX = startTranslateX + e.chartX - dragStart.chartX;
-                translateY = startTranslateY + e.chartY - dragStart.chartY;
+                translateX = startTranslateX + (
+                    e.chartX - dragStart.chartX
+                ) / dragStart.seriesScale;
+                translateY = startTranslateY + (
+                    e.chartY - dragStart.chartY
+                ) / -dragStart.seriesScale;
 
 
                 // Pixel distance to target
                 dist = Math.sqrt(
                     Math.pow(translateX, 2) +
                     Math.pow(translateY, 2)
-                );
-
+                ) * dragStart.seriesScale;
 
                 // Proximity snap to the true position
                 if (dist < 20) {
@@ -176,7 +191,10 @@
                         seriesScale;
 
                 // Small items are hard to place
-                if (bBox.width > 5 && bBox.height > 5) {
+                if (
+                    bBox.width * seriesScale > 5 &&
+                    bBox.height * seriesScale > 5
+                ) {
 
                     // Put it in the dock
                     point.graphic.attr({
@@ -235,7 +253,7 @@ Highcharts.mapChart('container', {
 
     tooltip: {
         headerFormat: '',
-        pointFormat: '{point.name}',
+        pointFormat: '{point.properties.name}',
         style: {
             fontSize: '20px'
         }
diff --git a/studies/range.htm b/studies/range.htm
@@ -3,23 +3,23 @@
 	<head>
 		<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 		<title>Highcharts Example</title>
-		
-		
+
+
 		<!-- 1. Add these JavaScript inclusions in the head of your page -->
 		<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
 		<script type="text/javascript" src="../js/highcharts.src.js"></script>
 		<!--[if IE]>
 			<script type="text/javascript" src="../js/excanvas.compiled.js"></script>
 		<![endif]-->
-		
-		
+
+
 		<!-- 2. Add the JavaScript to initialize the chart on document ready -->
 		<script type="text/javascript">
 		var chart;
 		$(document).ready(function() {
 			chart = new Highcharts.Chart({
 				chart: {
-					renderTo: 'container', 
+					renderTo: 'container',
 					defaultSeriesType: 'area'
 				},
 				title: {
@@ -28,7 +28,7 @@
 				xAxis: {
 				},
 				yAxis: {
-					
+
 				},
 				plotOptions: {
 					area: {
@@ -60,20 +60,20 @@
 					fillColor: 'rgba(255, 255, 255, 0)'
 				}]
 			});
-			
-			
+
+
 		});
 		</script>
-		
+
 	<script type="text/javascript" src="https://www.highcharts.com/samples/static/highslide-full.min.js"></script>
 <script type="text/javascript" src="https://www.highcharts.com/samples/static/highslide.config.js" charset="utf-8"></script>
 <link rel="stylesheet" type="text/css" href="https://www.highcharts.com/samples/static/highslide.css" />
 </head>
 	<body>
-		
+
 		<!-- 3. Add the container -->
 		<div id="container" style="width: 800px; height: 400px; margin: 0 auto"></div>
-		
-				
+
+
 	</body>
 </html>
diff --git a/tools/gulptasks/dist-productsjs.js b/tools/gulptasks/dist-productsjs.js
@@ -48,7 +48,17 @@ function getZipLocation(productName, version) {
 function fetchCurrentProducts() {
     return global.fetch('https://code.highcharts.com/products.js')
         .then(response => response.text())
-        .then(content => JSON.parse(content.substring(JS_PREFIX.length)));
+        .then(content => {
+            try {
+                return JSON.parse(content.substring(JS_PREFIX.length));
+            } catch (err) {
+                throw new Error(
+                    'Failed to parse https://code.highcharts.com/products.js content.\n' +
+                    'Are you connected to the Highsoft VPN?\n' +
+                    'Error message: ' + err.message
+                );
+            }
+        });
 }
 
 function withZipURL(products) {

Original file line number	Diff line number	Diff line change
`@@ -1,6 +1,6 @@`
`1`	`1`	`{`
`2`	`2`	`"name": "highcharts",`
`3`		`- "version": "12.5.0",`
	`3`	`+ "version": "12.6.0",`
`4`	`4`	`"description": "JavaScript charting framework",`
`5`	`5`	`"main": "lib/highcharts.js",`
`6`	`6`	`"authors": [`
Original file line number	Diff line number	Diff line change
`@@ -1,6 +1,6 @@`
`1`	`1`	`{`
`2`		`- "date": "",`
`3`		`- "version": "12.5.0-modified",`
	`2`	`+ "date": "2026-04-10",`
	`3`	`+ "version": "12.6.0",`
`4`	`4`	`"products": {`
`5`	`5`	`"Highcharts": {`
`6`	`6`	`"cdnpath": "",`