diff --git a/core/build.xml b/core/build.xml
index 27a1b4ecc..19b126216 100644
--- a/core/build.xml
+++ b/core/build.xml
@@ -55,7 +55,7 @@
 	<target name="build">
 		<mkdir dir="${classes.dir}"/>
 		<echo level="info">Compiling main classes</echo>
-		<javac debug="true" srcdir="${src.dir}" destdir="${classes.dir}" classpathref="classpath" includeantruntime="false" source="1.8" target="1.8"/>
+		<javac debug="true" srcdir="${src.dir}" destdir="${classes.dir}" classpathref="classpath" includeantruntime="false" source="11" target="11"/>
 	</target>
 	
 	<!-- Executible Eclipse-Jar-In-Jar style JAR -->
diff --git a/swing/build.xml b/swing/build.xml
index 0c786bd31..afd5544f9 100644
--- a/swing/build.xml
+++ b/swing/build.xml
@@ -71,7 +71,7 @@
 	<target name="build">
 		<mkdir dir="${classes.dir}"/>
 		<echo level="info">Compiling main classes</echo>
-		<javac debug="true" srcdir="${src.dir}" destdir="${classes.dir}" classpathref="classpath" includeantruntime="false" source="1.8" target="1.8"/>
+		<javac debug="true" srcdir="${src.dir}" destdir="${classes.dir}" classpathref="classpath" includeantruntime="false" source="11" target="11"/>
 	</target>
 	
 	<!-- Executible Eclipse-Jar-In-Jar style JAR -->
@@ -108,7 +108,6 @@
 			<zipfileset src="${lib.dir}/jcommon-1.0.18.jar"/>
 			<zipfileset src="${lib.dir}/jfreechart-1.0.15.jar"/>
 			<zipfileset src="${core.dir}/lib/opencsv-4.3.2.jar"/>
-			<zipfileset src="${lib.dir}/OrangeExtensions-1.2.jar"/>
 			<zipfileset src="${core.dir}/lib/annotation-detector-3.0.5.jar"/>
 			<zipfileset src="${core.dir}/lib/slf4j-api-1.7.5.jar"/>
 			<zipfileset src="${core.dir}/lib/logback-classic-1.2.3.jar"/>
diff --git a/swing/lib/OrangeExtensions-1.2.jar b/swing/lib/OrangeExtensions-1.2.jar
deleted file mode 100644
index 637d3969e..000000000
Binary files a/swing/lib/OrangeExtensions-1.2.jar and /dev/null differ
diff --git a/swing/src/net/sf/openrocket/startup/OSXSetup.java b/swing/src/net/sf/openrocket/startup/OSXSetup.java
index d34a99825..cbd40cb80 100644
--- a/swing/src/net/sf/openrocket/startup/OSXSetup.java
+++ b/swing/src/net/sf/openrocket/startup/OSXSetup.java
@@ -1,7 +1,12 @@
 package net.sf.openrocket.startup;
 
+import java.awt.Desktop;
 import java.awt.Image;
+import java.awt.Taskbar;
 import java.awt.Toolkit;
+import java.awt.desktop.AboutHandler;
+import java.awt.desktop.PreferencesHandler;
+import java.awt.desktop.QuitHandler;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -11,13 +16,6 @@ import net.sf.openrocket.arch.SystemInfo.Platform;
 import net.sf.openrocket.gui.dialogs.AboutDialog;
 import net.sf.openrocket.gui.dialogs.preferences.PreferencesDialog;
 import net.sf.openrocket.gui.main.BasicFrame;
-import com.apple.eawt.AboutHandler;
-import com.apple.eawt.PreferencesHandler;
-import com.apple.eawt.QuitHandler;
-import com.apple.eawt.QuitResponse;
-import com.apple.eawt.AppEvent.AboutEvent;
-import com.apple.eawt.AppEvent.PreferencesEvent;
-import com.apple.eawt.AppEvent.QuitEvent;
 
 /**
  * Static code for initialization of OSX UI Elements: Menu, Icon, Name and
@@ -38,34 +36,21 @@ final class OSXSetup {
 	/**
 	 * The handler for the Quit item in the OSX app menu
 	 */
-	private static final QuitHandler qh = new QuitHandler() {
-		@Override
-		public void handleQuitRequestWith(final QuitEvent e, final QuitResponse r) {
-			BasicFrame.quitAction();
-			// if we get here the user canceled
-			r.cancelQuit();
-		}
+	private static final QuitHandler QUIT_HANDLER = (e, r) -> {
+		BasicFrame.quitAction();
+		// if we get here the user canceled
+		r.cancelQuit();
 	};
 
 	/**
 	 * The handler for the About item in the OSX app menu
 	 */
-	private static final AboutHandler ah = new AboutHandler() {
-		@Override
-		public void handleAbout(final AboutEvent a) {
-			new AboutDialog(null).setVisible(true);
-		}
-	};
+	private static final AboutHandler ABOUT_HANDLER = a -> new AboutDialog(null).setVisible(true);
 
 	/**
 	 * The handler for the Preferences item in the OSX app menu
 	 */
-	private static final PreferencesHandler ph = new PreferencesHandler() {
-		@Override
-		public void handlePreferences(final PreferencesEvent p) {
-			PreferencesDialog.showPreferences(null);
-		}
-	};
+	private static final PreferencesHandler PREFERENCES_HANDLER = p -> PreferencesDialog.showPreferences(null);
 
 	/**
 	 * Sets up the Application's Icon, Name, Menu and some menu item handlers
@@ -87,24 +72,24 @@ final class OSXSetup {
 
 			// This line must come AFTER the above properties are set, otherwise
 			// the name will not appear
-			final com.apple.eawt.Application osxApp = com.apple.eawt.Application.getApplication();
+			final Desktop osxDesktop = Desktop.getDesktop();
 
-			if (osxApp == null) {
-				// Application is null: Something is wrong, give up on OSX
-				// setup.
+			if (osxDesktop == null) {
+				// Application is null: Something is wrong, give up on OS setup
 				throw new NullPointerException("com.apple.eawt.Application.getApplication() returned NULL. "
 						+ "Aborting OSX UI Setup.");
 			}
 			
 			// Set handlers
-			osxApp.setQuitHandler(qh);
-			osxApp.setAboutHandler(ah);
-			osxApp.setPreferencesHandler(ph);
+			osxDesktop.setAboutHandler(ABOUT_HANDLER);
+			osxDesktop.setPreferencesHandler(PREFERENCES_HANDLER);
+			osxDesktop.setQuitHandler(QUIT_HANDLER);
 
 			// Set the dock icon to the largest icon
 			final Image dockIcon = Toolkit.getDefaultToolkit().getImage(
 					SwingStartup.class.getResource(ICON_RSRC));
-			osxApp.setDockIconImage(dockIcon);
+			final Taskbar osxTaskbar = Taskbar.getTaskbar();
+			osxTaskbar.setIconImage(dockIcon);
 
 		} catch (final Throwable t) {
 			// None of the preceding is critical to the app,