diff --git a/jdk/src/macosx/classes/com/apple/laf/AquaTabbedPaneCopyFromBasicUI.java b/jdk/src/macosx/classes/com/apple/laf/AquaTabbedPaneCopyFromBasicUI.java
index 4bd2570e91..9d2a69fbcb 100644
--- a/jdk/src/macosx/classes/com/apple/laf/AquaTabbedPaneCopyFromBasicUI.java
+++ b/jdk/src/macosx/classes/com/apple/laf/AquaTabbedPaneCopyFromBasicUI.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -404,7 +404,11 @@ public class AquaTabbedPaneCopyFromBasicUI extends TabbedPaneUI implements Swing
         }
         tabPane.addContainerListener(getHandler());
         if (tabPane.getTabCount() > 0) {
-            htmlViews = createHTMLVector();
+            Boolean htmlDisabled = (Boolean)
+                                   tabPane.getClientProperty("html.disable");
+            if (!(Boolean.TRUE.equals(htmlDisabled))) {
+                htmlViews = createHTMLVector();
+            }
         }
     }
 
@@ -3466,8 +3470,10 @@ public class AquaTabbedPaneCopyFromBasicUI extends TabbedPaneUI implements Swing
 
         private void updateHtmlViews(int index) {
             final String title = tabPane.getTitleAt(index);
+            Boolean htmlDisabled = (Boolean)
+                                   tabPane.getClientProperty("html.disable");
             final boolean isHTML = BasicHTML.isHTMLString(title);
-            if (isHTML) {
+            if (isHTML && !(Boolean.TRUE.equals(htmlDisabled))) {
                 if (htmlViews == null) { // Initialize vector
                     htmlViews = createHTMLVector();
                 } else { // Vector already exists
diff --git a/jdk/src/share/classes/javax/swing/border/TitledBorder.java b/jdk/src/share/classes/javax/swing/border/TitledBorder.java
index 5b084300a7..3afe81614d 100644
--- a/jdk/src/share/classes/javax/swing/border/TitledBorder.java
+++ b/jdk/src/share/classes/javax/swing/border/TitledBorder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -701,6 +701,11 @@ public class TitledBorder extends AbstractBorder
     }
 
     private JLabel getLabel(Component c) {
+        if (c instanceof JComponent) {
+            JComponent comp = (JComponent)c;
+            this.label.putClientProperty("html.disable",
+                                         comp.getClientProperty("html.disable"));
+        }
         this.label.setText(getTitle());
         this.label.setFont(getFont(c));
         this.label.setForeground(getColor(c));
diff --git a/jdk/src/share/classes/javax/swing/plaf/basic/BasicOptionPaneUI.java b/jdk/src/share/classes/javax/swing/plaf/basic/BasicOptionPaneUI.java
index b43e5d24c6..f251369494 100644
--- a/jdk/src/share/classes/javax/swing/plaf/basic/BasicOptionPaneUI.java
+++ b/jdk/src/share/classes/javax/swing/plaf/basic/BasicOptionPaneUI.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -423,6 +423,11 @@ public class BasicOptionPaneUI extends OptionPaneUI {
             } else {
                 JLabel label;
                 label = new JLabel( s, JLabel.LEADING );
+                if (Boolean.TRUE.equals(
+                    this.optionPane.getClientProperty("html.disable"))) {
+                    label.putClientProperty("html.disable", true);
+                    BasicHTML.updateRenderer(label, label.getText());
+                }
                 label.setName("OptionPane.label");
                 configureMessageLabel(label);
                 addMessageComponents(container, cons, label, maxll, true);
diff --git a/jdk/src/share/classes/javax/swing/plaf/basic/BasicTabbedPaneUI.java b/jdk/src/share/classes/javax/swing/plaf/basic/BasicTabbedPaneUI.java
index f08ab9adc7..4e751454ad 100644
--- a/jdk/src/share/classes/javax/swing/plaf/basic/BasicTabbedPaneUI.java
+++ b/jdk/src/share/classes/javax/swing/plaf/basic/BasicTabbedPaneUI.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -417,7 +417,11 @@ public class BasicTabbedPaneUI extends TabbedPaneUI implements SwingConstants {
         }
         tabPane.addContainerListener(getHandler());
         if (tabPane.getTabCount()>0) {
-            htmlViews = createHTMLVector();
+            Boolean htmlDisabled = (Boolean)
+                                    tabPane.getClientProperty("html.disable");
+            if (!(Boolean.TRUE.equals(htmlDisabled))) {
+                htmlViews = createHTMLVector();
+            }
         }
     }
 
@@ -3584,8 +3588,10 @@ public class BasicTabbedPaneUI extends TabbedPaneUI implements SwingConstants {
 
         private void updateHtmlViews(int index) {
             String title = tabPane.getTitleAt(index);
+            Boolean htmlDisabled = (Boolean)
+                                    tabPane.getClientProperty("html.disable");
             boolean isHTML = BasicHTML.isHTMLString(title);
-            if (isHTML) {
+            if (isHTML && !(Boolean.TRUE.equals(htmlDisabled))) {
                 if (htmlViews==null) {    // Initialize vector
                     htmlViews = createHTMLVector();
                 } else {                  // Vector already exists