diff --git a/DemoApp/README.md b/DemoApp/README.md
index 372d759..60a21be 100644
--- a/DemoApp/README.md
+++ b/DemoApp/README.md
@@ -22,6 +22,7 @@ This small Maven project demonstrates how to use the JJazzLab Toolkit.
 > Java 17 is required because FluidSynthEmbeddedSynth uses Java 17 incubating features.
 
 ### Run
+- Some specific JVM command line arguments are required (eg --add-opens...), see `pom.xml`.
 - For FluidSynth to work you need to download and copy [JJazzLab-SoundFont.sf2](https://musical-artifacts.com/artifacts/1036) to the project root directory (next to `pom.xml`).
 - `mvn exec:exec`
 
diff --git a/DemoApp/pom.xml b/DemoApp/pom.xml
index 0648f0c..cb8e46b 100644
--- a/DemoApp/pom.xml
+++ b/DemoApp/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.jjazzlab</groupId>
     <artifactId>jjazzlab-toolkit-demo</artifactId>
-    <version>4.1.1</version>    
+    <version>4.1.2</version>    
     <packaging>jar</packaging>
     <name>JJazzLab Toolkit Demo</name>
 
@@ -37,14 +37,16 @@
                         <!-- The 2 lines below automatically create the classpath using all project dependencies, also adding the project build directory -->                        
                         <argument>-classpath</argument>
                         <classpath/>
+                        
                         <argument>--add-modules=jdk.incubator.foreign</argument>    <!-- required for FluidSynthEmbeddedSynth -->
                         <argument>--enable-preview</argument>    <!-- required for FluidSynthEmbeddedSynth -->
-                        <argument>--enable-native-access=ALL-UNNAMED</argument>                          
-                        <argument>--add-opens=java.base/java.net=ALL-UNNAMED</argument> 
-                        <argument>--add-opens=java.base/java.lang=ALL-UNNAMED</argument> 
-                        <argument>--add-opens=java.desktop/javax.swing=ALL-UNNAMED</argument>   
-                        <argument>--add-exports=java.desktop/sun.awt=ALL-UNNAMED</argument>   
-                        <argument>--add-opens=java.base/java.util=ALL-UNNAMED</argument>
+                        <argument>--enable-native-access=ALL-UNNAMED</argument>         <!-- required for FluidSynthEmbeddedSynth -->                  
+                        <argument>--add-opens=java.base/java.net=ALL-UNNAMED</argument>     <!-- required by Netbeans platform or Xstream --> 
+                        <argument>--add-opens=java.base/java.lang=ALL-UNNAMED</argument>    <!-- required by Netbeans platform or Xstream --> 
+                        <argument>--add-opens=java.desktop/javax.swing=ALL-UNNAMED</argument>   <!-- required by Netbeans platform or Xstream --> 
+                        <argument>--add-opens=java.desktop/java.awt.event=ALL-UNNAMED</argument>   <!-- required by Netbeans platform 22 on MacOS --> 
+                        <argument>--add-exports=java.desktop/sun.awt=ALL-UNNAMED</argument>   <!-- required by Netbeans platform or Xstream --> 
+                        <argument>--add-opens=java.base/java.util=ALL-UNNAMED</argument>    <!-- required by Netbeans platform or Xstream (when absent, it makes Xstream .sng deserialization fail with unrelated error msg) --> 
                         <argument>org.jjazzlab.toolkitdemo.ToolkitDemoApp</argument>    <!-- program entry point -->
                     </arguments>
                 </configuration>
@@ -59,17 +61,17 @@
         <dependency>
             <groupId>org.jjazzlab</groupId>
             <artifactId>jjazzlab-toolkit</artifactId>  
-            <version>4.1.0</version>
+            <version>4.1.2</version>
         </dependency>            
         <dependency>
             <groupId>org.jjazzlab.plugins</groupId>
-            <artifactId>yamjjazz-jar</artifactId>  
-            <version>4.1.0</version>
+            <artifactId>yamjjazz</artifactId>  
+            <version>4.1.2</version>
         </dependency>            
         <dependency>
             <groupId>org.jjazzlab.plugins</groupId>
-            <artifactId>fluidsynthembeddedsynth-jar</artifactId>  
-            <version>4.1.0</version>
+            <artifactId>fluidsynthembeddedsynth</artifactId>  
+            <version>4.1.2</version>
         </dependency>         
     </dependencies>
 </project>
\ No newline at end of file
diff --git a/README.md b/README.md
index 528d14e..68a1121 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,8 @@ For example, you can use it to :
 
 For sample code how to use the main features, check out the [DemoApp](https://github.com/jjazzboss/JJazzLabToolkit/tree/main/DemoApp) sub-project.
 
+You'll need to run your program with Java 17 and some specific JVM command line arguments (e.g. --add-opens), see `DemoApp/pom.xml` for reference.
+
 The JJazzLab Toolkit follows the same versioning than the JJazzLab application: a new version of the toolkit is released when a new version of JJazzLab is released.
 
 ### With Maven
diff --git a/pom.xml b/pom.xml
index 08ae390..cbe53ea 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion> 
     <groupId>org.jjazzlab</groupId>         
     <artifactId>jjazzlab-toolkit</artifactId>
-    <version>4.1.1</version>
+    <version>4.1.2</version>
     <name>jjazzlab-toolkit</name>
     <packaging>jar</packaging>    
 
@@ -44,7 +44,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>         
         <jjazzlab.compiler.release>17</jjazzlab.compiler.release>
         <jjazzlab.maven.compiler.plugin.version>3.11.0</jjazzlab.maven.compiler.plugin.version>        
-        <netbeans.version>RELEASE210</netbeans.version>
+        <netbeans.version>RELEASE230</netbeans.version>
     </properties>