Show Welcome to Beta Screen

app/ant/processing/app/ui/WelcomeToBeta.java

@@ -0,0 +1,11 @@
+package processing.app.ui;
+
+
+// Stub class for backwards compatibility with the ant-build system
+// This class is not used in the Gradle build system
+// The actual implementation is in src/.../Schema.kt
+public class WelcomeToBeta {
+    public static void showWelcomeToBeta(){
+
+    }
+}

app/src/processing/app/UpdateCheck.java

@@ -31,6 +31,7 @@ import java.util.Random;
 
 import javax.swing.JOptionPane;
 
+import processing.app.ui.WelcomeToBeta;
 import processing.core.PApplet;
 
 
@@ -134,6 +135,9 @@ public class UpdateCheck {
 //        offerToUpdateContributions = !promptToVisitDownloadPage();
         promptToVisitDownloadPage();
       }
+      if(latest < Base.getRevision()){
+        WelcomeToBeta.showWelcomeToBeta();
+      }
 
       /*
       if (offerToUpdateContributions) {

app/src/processing/app/ui/WelcomeToBeta.kt

@@ -0,0 +1,46 @@
+package processing.app.ui
+
+import androidx.compose.material.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.awt.ComposePanel
+import androidx.compose.ui.window.Window
+import androidx.compose.ui.window.application
+import javax.swing.JFrame
+import javax.swing.SwingUtilities
+
+
+class WelcomeToBeta {
+    companion object{
+        @JvmStatic
+        fun showWelcomeToBeta() {
+            SwingUtilities.invokeLater {
+                JFrame("New Window Title").apply {
+                    defaultCloseOperation = JFrame.DISPOSE_ON_CLOSE
+                    contentPane.add(ComposePanel().apply {
+                        setContent {
+                            welcomeToBeta()
+                        }
+                    })
+                    setSize(400, 300)
+                    setLocationRelativeTo(null)
+                    isVisible = true
+                }
+            }
+        }
+
+        @Composable
+        fun welcomeToBeta() {
+            Text("Welcome to the Beta version of Processing!")
+        }
+
+        @JvmStatic
+        fun main(args: Array<String>) {
+            application {
+                Window(onCloseRequest = ::exitApplication) {
+                    welcomeToBeta()
+                }
+            }
+        }
+    }
+}
+