plotly
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@@ -9,6 +9,24 @@ To see all merged commits on the master branch that will be part of the next plo
 
 where X.Y.Z is the semver of most recent plotly.js release.
 
+## [2.4.0] -- 2021-08-27
+
+### Added
+ - Add `legend.groupclick` options [[#5849](https://github.com/plotly/plotly.js/pull/5849), [#5906](https://github.com/plotly/plotly.js/pull/5906)],
+   with thanks to @brussee for the contribution!
+ - Add touch support to `slider` component [[#5856](https://github.com/plotly/plotly.js/pull/5856)],
+  with thanks to @keul for the contribution!
+ - Provide `bbox` of hover items in event data [[#5512](https://github.com/plotly/plotly.js/pull/5512)]
+
+### Changed
+ - Upgrade `regl` module from version 1.6.1 to version 2.1.0 [[#5870](https://github.com/plotly/plotly.js/pull/5870)]
+
+### Fixed
+ - Fix invalid call to `lib.promiseError` in lib.syncOrAsync  [[#5878](https://github.com/plotly/plotly.js/pull/5878)],
+   with thanks to @jklimke for the contribution!
+ - Use `hoverlabel.font` for group titles in unified hover modes [[#5895](https://github.com/plotly/plotly.js/pull/5895)]
+
+
 ## [2.3.1] -- 2021-07-30
 
 ### Fixed
 
@@ -55,7 +55,7 @@ You may also consider using [`plotly.js-dist`](https://www.npmjs.com/package/plo
 
 ```html
 <head>
-    <script src="https://cdn.plot.ly/plotly-2.3.1.min.js"></script>
+    <script src="https://cdn.plot.ly/plotly-2.4.0.min.js"></script>
 </head>
 <body>
     <div id="gd"></div>
@@ -72,7 +72,7 @@ You may also consider using [`plotly.js-dist`](https://www.npmjs.com/package/plo
 Alternatively you may consider using [native ES6 import](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Modules) in the script tag.
 ```html
 <script type="module">
-    import "https://cdn.plot.ly/plotly-2.3.1.min.js"
+    import "https://cdn.plot.ly/plotly-2.4.0.min.js"
     Plotly.newPlot("gd", [{ y: [1, 2, 3] }])
 </script>
 ```
@@ -82,7 +82,7 @@ Fastly supports Plotly.js with free CDN service. Read more at <https://www.fastl
 ### Un-minified versions are also available on CDN
 While non-minified source files may contain characters outside UTF-8, it is recommended that you specify the `charset` when loading those bundles.
 ```html
-<script src="https://cdn.plot.ly/plotly-2.3.1.js" charset="utf-8"></script>
+<script src="https://cdn.plot.ly/plotly-2.4.0.js" charset="utf-8"></script>
 ```
 
 > Please note that as of v2 the "plotly-latest" outputs (e.g. https://cdn.plot.ly/plotly-latest.min.js) will no longer be updated on the CDN, and will stay at the last v1 patch v1.58.5. Therefore, to use the CDN with plotly.js v2 and higher, you must specify an exact plotly.js version.