diff --git a/gluegen-rt-natives-linux-amd64.jar b/gluegen-rt-natives-linux-amd64.jar
index 70716d0229..826d6d6fa9 100644
Binary files a/gluegen-rt-natives-linux-amd64.jar and b/gluegen-rt-natives-linux-amd64.jar differ
diff --git a/gluegen-rt-natives-macosx-universal.jar b/gluegen-rt-natives-macosx-universal.jar
index 38fd2e7df4..79bd94ee67 100644
Binary files a/gluegen-rt-natives-macosx-universal.jar and b/gluegen-rt-natives-macosx-universal.jar differ
diff --git a/gluegen-rt-natives-windows-amd64.jar b/gluegen-rt-natives-windows-amd64.jar
index c2d949926d..2d1fe14112 100644
Binary files a/gluegen-rt-natives-windows-amd64.jar and b/gluegen-rt-natives-windows-amd64.jar differ
diff --git a/gluegen-rt.jar b/gluegen-rt.jar
index ac720c3e6b..aef08ef85c 100644
Binary files a/gluegen-rt.jar and b/gluegen-rt.jar differ
diff --git a/gluegen.LICENSE.txt b/gluegen.LICENSE.txt
index 4ab32a1f75..30a5756192 100644
--- a/gluegen.LICENSE.txt
+++ b/gluegen.LICENSE.txt
@@ -140,8 +140,8 @@ L.3) The GlueGen source tree contains CGRAM http://www.antlr.org/grammar/cgram/,
 A.1) The GlueGen source tree contains code from The Apache Software Foundation
      which is covered by the Apache License Version 2.0
 
-   Apache Harmony - Open Source Java SE
-   =====================================
+A.1.1) Apache Harmony - Open Source Java SE
+   ===============================================
 
    <http://harmony.apache.org/>
 
@@ -157,6 +157,25 @@ A.1) The GlueGen source tree contains code from The Apache Software Foundation
     - src/java/com/jogamp/common/net/Uri.java 
       (derived from java.net.URI.Helper and heavily modified)
 
+A.1.2) Apache Avro - A data serialization system.
+   ===============================================
+
+   <https://avro.apache.org/>
+
+   Copyright 2010-2019 The Apache Software Foundation
+
+   Apache License Version 2.0, January 2004
+   http://www.apache.org/licenses/LICENSE-2.0
+   Or within this repository: doc/licenses/Apache.LICENSE-2.0
+
+   Files:
+    - src/java/com/jogamp/common/util/WeakIdentityHashMap.java
+
+      <https://github.com/apache/avro/blob/master/lang/java/avro/src/main/java/org/apache/avro/util/WeakIdentityHashMap.java>
+      Taken as commit 70260919426f89825ca148f5ee815f3b2cf4764d
+      and using our JogAmp 'New BSD 2-Clause License' since migration.
+
+
 A.2) The GlueGen source tree contains code from Ben Mankin, a.k.a 'Shevek',
      which is covered by the Apache License Version 2.0
 
diff --git a/jogl-all-natives-linux-amd64.jar b/jogl-all-natives-linux-amd64.jar
index f76fca8228..55953e236b 100644
Binary files a/jogl-all-natives-linux-amd64.jar and b/jogl-all-natives-linux-amd64.jar differ
diff --git a/jogl-all-natives-macosx-universal.jar b/jogl-all-natives-macosx-universal.jar
index 198f4a16b2..124ef6d7e5 100644
Binary files a/jogl-all-natives-macosx-universal.jar and b/jogl-all-natives-macosx-universal.jar differ
diff --git a/jogl-all-natives-windows-amd64.jar b/jogl-all-natives-windows-amd64.jar
index efd0264a22..4384250365 100644
Binary files a/jogl-all-natives-windows-amd64.jar and b/jogl-all-natives-windows-amd64.jar differ
diff --git a/jogl-all.jar b/jogl-all.jar
index 28f2f87a76..dbbde557f5 100644
Binary files a/jogl-all.jar and b/jogl-all.jar differ
diff --git a/jogl.README.txt b/jogl.README.txt
index 7fb24a8f6c..3e024a4ca9 100644
--- a/jogl.README.txt
+++ b/jogl.README.txt
@@ -1,16 +1,16 @@
 
-Java (TM) Binding for the OpenGL (r) API, version 2.3
+Java (TM) Binding for the OpenGL (r) API, version 2.4
 -----------------------------------------------------------------------------
 
 This software is licensed as specified in the LICENSE.txt file.  
 You must use this software in accordance with the terms 
 under which the code is licensed.
 
-This is build version 2.3.2, based on:
+This is build version 2.4.0-rc-20200306, based on:
               branch  origin/master
-              commit  e794fc40ba723f2fca4ac892e873975fb393e007
+              commit  0779f229b0e9538c640b18b9a4e095af1f5a35b3
 
-Instructions for unzipping Java Binding for the OpenGL API, version 2.3
+Instructions for unzipping Java Binding for the OpenGL API, version 2.4
 ----------------------------------------------------------------------------------
 
 After downloading and unzipping the zip file containing the 
diff --git a/refresh-jogl.py b/refresh-jogl.py
new file mode 100755
index 0000000000..a2be16bb56
--- /dev/null
+++ b/refresh-jogl.py
@@ -0,0 +1,29 @@
+#!/usr/bin/python3
+
+import sys
+from pathlib import Path
+import shutil
+
+# Script to update WWJ JOGL libs from a new jogamp-all-platforms.7z unpacked distribution.
+# Example: ./refresh-jogl.py ../../downloads/jogamp-all-platforms/jar
+if len(sys.argv)<2:
+    print('Usage: refresh-jogl.py [path to jars]')
+    sys.exit(1)
+    
+srcPath=sys.argv[1]
+jogl_jars=['gluegen-rt.jar','gluegen-rt-natives-linux-amd64.jar','gluegen-rt-natives-macosx-universal.jar','gluegen-rt-natives-windows-amd64.jar', \
+            'jogl-all.jar','jogl-all-natives-linux-amd64.jar','jogl-all-natives-macosx-universal.jar','jogl-all-natives-windows-amd64.jar']
+for jar in jogl_jars:
+    srcJar=srcPath+'/'+jar
+    destJar='./'+jar
+    print(srcJar, ' => ', destJar)
+    shutil.copyfile(srcJar,destJar)
+    
+jogl_txts=['jogl.README.txt','jogl.LICENSE.txt','gluegen.LICENSE.txt']
+folderIdx=srcPath.rfind('/')
+txtPath=srcPath[:folderIdx]
+for txt in jogl_txts:
+    srcTxt=txtPath+'/'+txt
+    destTxt='./'+txt
+    print(srcTxt, ' => ', destTxt)
+    shutil.copyfile(srcTxt,destTxt)