diff --git a/flatlaf-core/src/main/java/com/formdev/flatlaf/FlatLaf.java b/flatlaf-core/src/main/java/com/formdev/flatlaf/FlatLaf.java
index 2989f6d1..c7d85a5f 100644
--- a/flatlaf-core/src/main/java/com/formdev/flatlaf/FlatLaf.java
+++ b/flatlaf-core/src/main/java/com/formdev/flatlaf/FlatLaf.java
@@ -326,7 +326,7 @@ public abstract class FlatLaf
 				Method m = UIManager.class.getMethod( "createLookAndFeel", String.class );
 				aquaLaf = (BasicLookAndFeel) m.invoke( null, "Mac OS X" );
 			} else
-				aquaLaf = (BasicLookAndFeel) Class.forName( aquaLafClassName ).newInstance();
+				aquaLaf = (BasicLookAndFeel) Class.forName( aquaLafClassName ).getDeclaredConstructor().newInstance();
 		} catch( Exception ex ) {
 			LoggingFacade.INSTANCE.logSevere( "FlatLaf: Failed to initialize Aqua look and feel '" + aquaLafClassName + "'.", ex );
 			throw new IllegalStateException();
diff --git a/flatlaf-core/src/main/java/com/formdev/flatlaf/UIDefaultsLoader.java b/flatlaf-core/src/main/java/com/formdev/flatlaf/UIDefaultsLoader.java
index f490e6a3..7ef295a0 100644
--- a/flatlaf-core/src/main/java/com/formdev/flatlaf/UIDefaultsLoader.java
+++ b/flatlaf-core/src/main/java/com/formdev/flatlaf/UIDefaultsLoader.java
@@ -442,8 +442,8 @@ class UIDefaultsLoader
 	private static Object parseInstance( String value, List<ClassLoader> addonClassLoaders ) {
 		return (LazyValue) t -> {
 			try {
-				return findClass( value, addonClassLoaders ).newInstance();
-			} catch( InstantiationException | IllegalAccessException | ClassNotFoundException ex ) {
+				return findClass( value, addonClassLoaders ).getDeclaredConstructor().newInstance();
+			} catch( Exception ex ) {
 				LoggingFacade.INSTANCE.logSevere( "FlatLaf: Failed to instantiate '" + value + "'.", ex );
 				return null;
 			}
diff --git a/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTabbedPaneUI.java b/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTabbedPaneUI.java
index 7bec8d33..c4f79435 100644
--- a/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTabbedPaneUI.java
+++ b/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTabbedPaneUI.java
@@ -327,7 +327,7 @@ public class FlatTabbedPaneUI
 		// the default also includes Ctrl+TAB/Ctrl+Shift+TAB, which we need to switch tabs
 		if( focusForwardTraversalKeys == null ) {
 			focusForwardTraversalKeys = Collections.singleton( KeyStroke.getKeyStroke( KeyEvent.VK_TAB, 0 ) );
-			focusBackwardTraversalKeys = Collections.singleton( KeyStroke.getKeyStroke( KeyEvent.VK_TAB, InputEvent.SHIFT_MASK ) );
+			focusBackwardTraversalKeys = Collections.singleton( KeyStroke.getKeyStroke( KeyEvent.VK_TAB, InputEvent.SHIFT_DOWN_MASK ) );
 		}
 		// Ideally we should use `LookAndFeel.installProperty( tabPane, "focusTraversalKeysForward", keys )` here
 		// instead of `tabPane.setFocusTraversalKeys()`, but WindowsTabbedPaneUI also uses later method
diff --git a/flatlaf-core/src/main/java/com/formdev/flatlaf/util/Graphics2DProxy.java b/flatlaf-core/src/main/java/com/formdev/flatlaf/util/Graphics2DProxy.java
index b68d2c69..2bc42296 100644
--- a/flatlaf-core/src/main/java/com/formdev/flatlaf/util/Graphics2DProxy.java
+++ b/flatlaf-core/src/main/java/com/formdev/flatlaf/util/Graphics2DProxy.java
@@ -256,11 +256,6 @@ public class Graphics2DProxy
 		delegate.dispose();
 	}
 
-	@Override
-	public void finalize() {
-		delegate.finalize();
-	}
-
 	@Override
 	public String toString() {
 		return delegate.toString();
diff --git a/flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatMenusTest.java b/flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatMenusTest.java
index abfdb288..eafcceda 100644
--- a/flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatMenusTest.java
+++ b/flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatMenusTest.java
@@ -124,11 +124,11 @@ public class FlatMenusTest
 	private int randomKeyStrokeIndex = 0;
 	private final KeyStroke[] randomKeyStrokes = {
 		KeyStroke.getKeyStroke( KeyEvent.VK_F2, 0 ),
-		KeyStroke.getKeyStroke( KeyEvent.VK_A, KeyEvent.CTRL_MASK ),
-		KeyStroke.getKeyStroke( KeyEvent.VK_B, KeyEvent.CTRL_MASK | KeyEvent.SHIFT_MASK ),
+		KeyStroke.getKeyStroke( KeyEvent.VK_A, KeyEvent.CTRL_DOWN_MASK ),
+		KeyStroke.getKeyStroke( KeyEvent.VK_B, KeyEvent.CTRL_DOWN_MASK | KeyEvent.SHIFT_DOWN_MASK ),
 		KeyStroke.getKeyStroke( KeyEvent.VK_BACK_SPACE, 0 ),
 		KeyStroke.getKeyStroke( KeyEvent.VK_PAGE_UP, 0 ),
-		KeyStroke.getKeyStroke( KeyEvent.VK_C, KeyEvent.ALT_MASK ),
+		KeyStroke.getKeyStroke( KeyEvent.VK_C, KeyEvent.ALT_DOWN_MASK ),
 		KeyStroke.getKeyStroke( KeyEvent.VK_ENTER, 0 ),
 		KeyStroke.getKeyStroke( KeyEvent.VK_F10, 0 ),
 		KeyStroke.getKeyStroke( KeyEvent.VK_0, 0 ),