diff --git a/packages/pluggableWidgets/rich-text-web/CHANGELOG.md b/packages/pluggableWidgets/rich-text-web/CHANGELOG.md
index 988944d6cd..4ef2a94096 100644
--- a/packages/pluggableWidgets/rich-text-web/CHANGELOG.md
+++ b/packages/pluggableWidgets/rich-text-web/CHANGELOG.md
@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+### Fixed
+
+- We fixed an issue where the On change action ran when leaving the editor without changing its content.
+
 ## [5.1.0] - 2026-09-29
 
 ### Added
diff --git a/packages/pluggableWidgets/rich-text-web/src/__tests__/RichText.runtime.spec.tsx b/packages/pluggableWidgets/rich-text-web/src/__tests__/RichText.runtime.spec.tsx
index 5e492c4e41..f193b5301b 100644
--- a/packages/pluggableWidgets/rich-text-web/src/__tests__/RichText.runtime.spec.tsx
+++ b/packages/pluggableWidgets/rich-text-web/src/__tests__/RichText.runtime.spec.tsx
@@ -123,6 +123,35 @@ describe("Rich Text runtime behaviour", () => {
             expect(onChange.execute).toHaveBeenCalledTimes(1);
         });
 
+        it("does not execute onChange on blur without an edit when onChangeType is onLeave", () => {
+            const onChange = actionValue();
+            const onBlur = actionValue();
+            const { container } = render(
+                <RichText {...defaultProps} onChangeType="onLeave" onChange={onChange} onBlur={onBlur} />
+            );
+            flush();
+
+            fireEvent.focus(getEditorDom(container));
+            fireEvent.blur(getEditorDom(container));
+
+            expect(onChange.execute).not.toHaveBeenCalled();
+            expect(onBlur.execute).toHaveBeenCalledTimes(1);
+        });
+
+        it("executes onChange on leave once per edit when onChangeType is onLeave", () => {
+            const onChange = actionValue();
+            const { container } = render(<RichText {...defaultProps} onChangeType="onLeave" onChange={onChange} />);
+
+            fireEvent.focus(getEditorDom(container));
+            edit(container, "<p>edited</p>");
+            fireEvent.blur(getEditorDom(container));
+            expect(onChange.execute).toHaveBeenCalledTimes(1);
+
+            fireEvent.focus(getEditorDom(container));
+            fireEvent.blur(getEditorDom(container));
+            expect(onChange.execute).toHaveBeenCalledTimes(1);
+        });
+
         it("executes onChange on edit and not on blur when onChangeType is onDataChange", () => {
             const onChange = actionValue();
             const { container } = render(
@@ -176,6 +205,7 @@ describe("Rich Text runtime behaviour", () => {
 
             rerender(<RichText {...defaultProps} onChangeType="onLeave" {...second} />);
             fireEvent.focus(getEditorDom(container));
+            edit(container, "<p>edited</p>");
             fireEvent.blur(getEditorDom(container));
 
             expect(second.onFocus.execute).toHaveBeenCalledTimes(1);
diff --git a/packages/pluggableWidgets/rich-text-web/src/components/Editor.tsx b/packages/pluggableWidgets/rich-text-web/src/components/Editor.tsx
index 7058ef7daf..4b089315d6 100644
--- a/packages/pluggableWidgets/rich-text-web/src/components/Editor.tsx
+++ b/packages/pluggableWidgets/rich-text-web/src/components/Editor.tsx
@@ -252,6 +252,9 @@ const Editor = forwardRef<EditorHandle, EditorProps>((props, ref) => {
     const uploadEnabled = enableDefaultUpload || imageSource == null;
     const configRef = useRef({ enableDefaultUpload: uploadEnabled, editable: !readOnly });
     configRef.current = { enableDefaultUpload: uploadEnabled, editable: !readOnly };
+    // Set only by a genuine edit (`onUpdate`); the external-value sync below uses
+    // `emitUpdate: false`, so it never marks the editor dirty.
+    const isDirtyRef = useRef(false);
 
     const extensions = useMemo(
         () => [
@@ -367,6 +370,7 @@ const Editor = forwardRef<EditorHandle, EditorProps>((props, ref) => {
             content: defaultValue || "",
             editable: !readOnly,
             onUpdate: ({ editor }) => {
+                isDirtyRef.current = true;
                 const html = editor.isEmpty ? "" : editor.getHTML();
                 onUpdate?.(html);
             },
@@ -375,7 +379,8 @@ const Editor = forwardRef<EditorHandle, EditorProps>((props, ref) => {
             },
             onBlur: () => {
                 executeAction(actionRef.current.onBlur);
-                if (actionRef.current.onChangeType === "onLeave") {
+                if (actionRef.current.onChangeType === "onLeave" && isDirtyRef.current) {
+                    isDirtyRef.current = false;
                     executeAction(actionRef.current.onChange);
                 }
             },