diff --git a/doc/CHANGES.md b/doc/CHANGES.md
index b4b570813..b3999a485 100644
--- a/doc/CHANGES.md
+++ b/doc/CHANGES.md
@@ -5,7 +5,7 @@ Change log
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 **Table of Contents**  *generated with [DocToc](http://doctoc.herokuapp.com/)*
 
-- [4.1.0-dev](#410-dev)
+- [4.2.0](#420)
 - [4.1.0 (2021-4-7)](#410-2021-4-7)
 - [4.0.3 (2021-3-28)](#403-2021-3-28)
 - [4.0.2 (2021-3-27)](#402-2021-3-27)
@@ -53,7 +53,7 @@ Change log
 - [v0.1.0 (2014-11-18)](#v010-2014-11-18)
 
 <!-- END doctoc generated TOC please keep comment here to allow auto update -->
-## 4.1.0-dev
+## 4.2.0
 
 - fix [#1704](https://github.com/gridstack/gridstack.js/issues/1704) scrollbar fix broken in 4.x
 - fix [#1655](https://github.com/gridstack/gridstack.js/issues/1655) `addWidget()` while in 1 column now remembers original wanted width
diff --git a/package.json b/package.json
index 15399ce10..7a48eb57a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gridstack",
-  "version": "4.1.0-dev",
+  "version": "4.2.0",
   "description": "TypeScript/JS lib for dashboard layout and creation, no external dependencies, with many wrappers (React, Angular, Vue, Ember, knockout...)",
   "main": "./dist/gridstack.js",
   "types": "./dist/gridstack.d.ts",
@@ -87,6 +87,6 @@
     "ts-loader": "^8.0.7",
     "typescript": "3.6.5",
     "webpack": "^5.3.2",
-    "webpack-cli": "^4.1.0-dev"
+    "webpack-cli": "^4.2.0"
   }
 }
diff --git a/src/gridstack-dd.ts b/src/gridstack-dd.ts
index 477686ebb..6a9bfc0a3 100644
--- a/src/gridstack-dd.ts
+++ b/src/gridstack-dd.ts
@@ -1,5 +1,5 @@
 /**
- * gridstack-dd.ts 4.1.0-dev
+ * gridstack-dd.ts 4.2.0
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 
diff --git a/src/gridstack-ddi.ts b/src/gridstack-ddi.ts
index 08691602b..25190eb05 100644
--- a/src/gridstack-ddi.ts
+++ b/src/gridstack-ddi.ts
@@ -1,5 +1,5 @@
 /**
- * gridstack-ddi.ts 4.1.0-dev
+ * gridstack-ddi.ts 4.2.0
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 
diff --git a/src/gridstack-engine.ts b/src/gridstack-engine.ts
index 8e7be324f..594fb18df 100644
--- a/src/gridstack-engine.ts
+++ b/src/gridstack-engine.ts
@@ -1,5 +1,5 @@
 /**
- * gridstack-engine.ts 4.1.0-dev
+ * gridstack-engine.ts 4.2.0
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 
diff --git a/src/gridstack-h5.ts b/src/gridstack-h5.ts
index 514a3d8c4..ace0f8f73 100644
--- a/src/gridstack-h5.ts
+++ b/src/gridstack-h5.ts
@@ -1,5 +1,5 @@
 /**
- * index-h5.ts 4.1.0-dev - everything you need for a Grid that uses HTML5 native drag&drop
+ * index-h5.ts 4.2.0 - everything you need for a Grid that uses HTML5 native drag&drop
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 
diff --git a/src/gridstack-jq.ts b/src/gridstack-jq.ts
index 6ee0bfd8e..b936e8387 100644
--- a/src/gridstack-jq.ts
+++ b/src/gridstack-jq.ts
@@ -1,5 +1,5 @@
 /**
- * index-jq.ts 4.1.0-dev - everything you need for a Grid that uses Jquery-ui drag&drop (original, full feature)
+ * index-jq.ts 4.2.0 - everything you need for a Grid that uses Jquery-ui drag&drop (original, full feature)
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 
diff --git a/src/gridstack-poly.js b/src/gridstack-poly.js
index b85694269..b0ba18942 100644
--- a/src/gridstack-poly.js
+++ b/src/gridstack-poly.js
@@ -1,5 +1,5 @@
 /**
- * gridstack-poly.ts 4.1.0-dev - used for older browser support (not currently supported in v2+)
+ * gridstack-poly.ts 4.2.0 - used for older browser support (not currently supported in v2+)
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 
diff --git a/src/gridstack-static.ts b/src/gridstack-static.ts
index 08febac36..e606f3105 100644
--- a/src/gridstack-static.ts
+++ b/src/gridstack-static.ts
@@ -1,5 +1,5 @@
 /**
- * index-static.ts 4.1.0-dev - much smaller, everything you need for a static Grid (non draggable, API driven)
+ * index-static.ts 4.2.0 - much smaller, everything you need for a static Grid (non draggable, API driven)
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 
diff --git a/src/gridstack.scss b/src/gridstack.scss
index 54fde9e9b..db773126c 100644
--- a/src/gridstack.scss
+++ b/src/gridstack.scss
@@ -1,5 +1,5 @@
 /**
- * gridstack SASS styles 4.1.0-dev
+ * gridstack SASS styles 4.2.0
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 
diff --git a/src/gridstack.ts b/src/gridstack.ts
index 171c56cb9..a2a5b9b43 100644
--- a/src/gridstack.ts
+++ b/src/gridstack.ts
@@ -1,5 +1,5 @@
 /*!
- * GridStack 4.1.0-dev
+ * GridStack 4.2.0
  * https://gridstackjs.com/
  *
  * Copyright (c) 2021 Alain Dumesny
diff --git a/src/h5/dd-base-impl.ts b/src/h5/dd-base-impl.ts
index 098b5140a..ecec238d2 100644
--- a/src/h5/dd-base-impl.ts
+++ b/src/h5/dd-base-impl.ts
@@ -1,5 +1,5 @@
 /**
- * dd-base-impl.ts 4.1.0-dev
+ * dd-base-impl.ts 4.2.0
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 
diff --git a/src/h5/dd-draggable.ts b/src/h5/dd-draggable.ts
index c7f8ae560..ee963ce5a 100644
--- a/src/h5/dd-draggable.ts
+++ b/src/h5/dd-draggable.ts
@@ -1,5 +1,5 @@
 /**
- * dd-draggable.ts 4.1.0-dev
+ * dd-draggable.ts 4.2.0
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 
diff --git a/src/h5/dd-droppable.ts b/src/h5/dd-droppable.ts
index 543315586..ab6b85a82 100644
--- a/src/h5/dd-droppable.ts
+++ b/src/h5/dd-droppable.ts
@@ -1,5 +1,5 @@
 /**
- * dd-droppable.ts 4.1.0-dev
+ * dd-droppable.ts 4.2.0
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 
diff --git a/src/h5/dd-element.ts b/src/h5/dd-element.ts
index 3f296a156..08b2d9ee3 100644
--- a/src/h5/dd-element.ts
+++ b/src/h5/dd-element.ts
@@ -1,5 +1,5 @@
 /**
- * dd-elements.ts 4.1.0-dev
+ * dd-elements.ts 4.2.0
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 
diff --git a/src/h5/dd-manager.ts b/src/h5/dd-manager.ts
index 346655639..ffaf47374 100644
--- a/src/h5/dd-manager.ts
+++ b/src/h5/dd-manager.ts
@@ -1,5 +1,5 @@
 /**
- * dd-manager.ts 4.1.0-dev
+ * dd-manager.ts 4.2.0
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 
diff --git a/src/h5/dd-resizable-handle.ts b/src/h5/dd-resizable-handle.ts
index 4d88e2152..bae5700a2 100644
--- a/src/h5/dd-resizable-handle.ts
+++ b/src/h5/dd-resizable-handle.ts
@@ -1,5 +1,5 @@
 /**
- * dd-resizable-handle.ts 4.1.0-dev
+ * dd-resizable-handle.ts 4.2.0
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 
diff --git a/src/h5/dd-resizable.ts b/src/h5/dd-resizable.ts
index 475f08976..82469a8e0 100644
--- a/src/h5/dd-resizable.ts
+++ b/src/h5/dd-resizable.ts
@@ -1,5 +1,5 @@
 /**
- * dd-resizable.ts 4.1.0-dev
+ * dd-resizable.ts 4.2.0
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 
diff --git a/src/h5/dd-utils.ts b/src/h5/dd-utils.ts
index db94563e3..e81d272da 100644
--- a/src/h5/dd-utils.ts
+++ b/src/h5/dd-utils.ts
@@ -1,5 +1,5 @@
 /**
- * dd-utils.ts 4.1.0-dev
+ * dd-utils.ts 4.2.0
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 export class DDUtils {
diff --git a/src/h5/gridstack-dd-native.ts b/src/h5/gridstack-dd-native.ts
index c7029240a..9f97ddc2a 100644
--- a/src/h5/gridstack-dd-native.ts
+++ b/src/h5/gridstack-dd-native.ts
@@ -1,5 +1,5 @@
 /**
- * gridstack-dd-native.ts 4.1.0-dev
+ * gridstack-dd-native.ts 4.2.0
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 
diff --git a/src/jq/gridstack-dd-jqueryui.ts b/src/jq/gridstack-dd-jqueryui.ts
index 102e52e8e..b1338e763 100644
--- a/src/jq/gridstack-dd-jqueryui.ts
+++ b/src/jq/gridstack-dd-jqueryui.ts
@@ -1,4 +1,4 @@
-// gridstack-dd-jqueryui.ts 4.1.0-dev
+// gridstack-dd-jqueryui.ts 4.2.0
 // Copyright (c) 2021 Alain Dumesny - see root license
 import { GridStackElement } from '../gridstack';
 import { GridStackDD, DDOpts, DDKey, DDDropOpt, DDCallback, DDValue } from '../gridstack-dd';
diff --git a/src/types.ts b/src/types.ts
index 770134a41..6882e0aa8 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,5 +1,5 @@
 /**
- * types.ts 4.1.0-dev
+ * types.ts 4.2.0
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */
 
diff --git a/src/utils.ts b/src/utils.ts
index c1e599f80..f25b142f4 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -1,5 +1,5 @@
 /**
- * utils.ts 4.1.0-dev
+ * utils.ts 4.2.0
  * Copyright (c) 2021 Alain Dumesny - see GridStack root license
  */