diff --git a/packages/react/package.json b/packages/react/package.json
index 1600be64..e22b5bff 100644
--- a/packages/react/package.json
+++ b/packages/react/package.json
@@ -155,6 +155,8 @@
     "@jupyterlab/builder": "4.0.3",
     "@jupyterlab/geojson-extension": "3.4.0",
     "@jupyterlab/launcher": "4.0.3",
+    "@jupyterlab/running": "4.0.3",
+    "@jupyterlab/running-extension": "4.0.3",
     "@jupyterlab/testutils": "4.0.3",
     "@jupyterlab/vega3-extension": "3.3.0",
     "@types/codemirror": "5.60.4",
diff --git a/packages/react/src/components/jupyterlab/JupyterLabApp.tsx b/packages/react/src/components/jupyterlab/JupyterLabApp.tsx
index d995498b..ae506bf2 100644
--- a/packages/react/src/components/jupyterlab/JupyterLabApp.tsx
+++ b/packages/react/src/components/jupyterlab/JupyterLabApp.tsx
@@ -11,7 +11,8 @@ import JupyterLabAppCss from "./JupyterLabAppCss";
 let _adapter: JupyterLabAppAdapter | undefined = undefined;
 
 // The webpack public path needs to be set before loading the CSS assets.
-(global as any).__webpack_public_path__ = PageConfig.getOption('fullStaticUrl') + '/';
+(globalThis as any).__webpack_public_path__ = PageConfig.getOption('fullStaticUrl') + '/';
+(window as any).__webpack_public_path__ = PageConfig.getOption('fullStaticUrl') + '/';
 
 export type JupyterLabAppProps = {
   devMode: boolean;
diff --git a/packages/react/src/components/output/OutputIPyWidgets.tsx b/packages/react/src/components/output/OutputIPyWidgets.tsx
index e808b325..12db8c64 100644
--- a/packages/react/src/components/output/OutputIPyWidgets.tsx
+++ b/packages/react/src/components/output/OutputIPyWidgets.tsx
@@ -1,4 +1,4 @@
-import IPyWidgetsAttached from '../../jupyter/lumino/IPyWidgetsAttached';
+import IPyWidgetsAttached from '../../jupyter/ipywidgets/IPyWidgetsAttached';
 
 import './OutputIPyWidgets.css';
 
diff --git a/packages/react/src/examples/JupyterLabHeadlessApp.tsx b/packages/react/src/examples/JupyterLabHeadlessApp.tsx
index 17a78537..8bdaeeda 100644
--- a/packages/react/src/examples/JupyterLabHeadlessApp.tsx
+++ b/packages/react/src/examples/JupyterLabHeadlessApp.tsx
@@ -1,11 +1,11 @@
 import { useState } from 'react';
 import { createRoot } from 'react-dom/client';
 import { Box, Text, ToggleSwitch, ThemeProvider, useTheme } from "@primer/react";
-import { BoxPanel } from '@lumino/widgets';
+import { BoxPanel, Widget } from '@lumino/widgets';
+import { ThemeManager } from '@jupyterlab/apputils';
 import { NotebookPanel } from '@jupyterlab/notebook';
+import { RunningSessions } from '@jupyterlab/running';
 // import { NotebookTracker } from '@jupyterlab/notebook';
-import { ThemeManager } from '@jupyterlab/apputils';
-import { Widget } from '@lumino/widgets';
 import Jupyter from '../jupyter/Jupyter';
 import Lumino from '../jupyter/lumino/Lumino';
 import { JupyterLabTheme } from '../jupyter/lab/JupyterLabTheme';
@@ -14,6 +14,7 @@ import JupyterLabAppAdapter from "../components/jupyterlab/JupyterLabAppAdapter"
 
 import * as darkThemeExtension from '@jupyterlab/theme-dark-extension';
 import * as lightThemeExtension from '@jupyterlab/theme-light-extension';
+import * as runningExtension from '@jupyterlab/running-extension';
 import * as ipywidgetsExtension from '@jupyter-widgets/jupyterlab-manager';
 import * as plotlyExtension from 'jupyterlab-plotly/lib/jupyterlab-plugin';
 import * as mimePlotlyExtension from 'jupyterlab-plotly/lib/plotly-renderer';
@@ -28,7 +29,8 @@ const PATHS = [
 const PATH_INDEX = 1;
 
 const JupyterLabHeadlessAppExample = () => {
-  const [boxPanel, setBoxPanel] = useState<BoxPanel>();
+  const [notebookBoxPanel, setNotebookBoxPanel] = useState<BoxPanel>();
+  const [runningSessions, setRunningSessions] = useState<BoxPanel>();
   const [theme, setTheme] = useState<JupyterLabTheme>('light');
   const [jupyterLabAdapter, setJupyterlabAdapter] = useState<JupyterLabAppAdapter>();
   const { setColorMode } = useTheme();
@@ -63,7 +65,10 @@ const JupyterLabHeadlessAppExample = () => {
     boxPanel.addClass('dla-Jupyter-Notebook');
     boxPanel.spacing = 0;
     boxPanel.addWidget(notebookPanel);
-    setBoxPanel(boxPanel);
+    setNotebookBoxPanel(boxPanel);
+    const runningSessionManagers = jupyterLabAdapter.service('@jupyterlab/running-extension:plugin');
+    const runningSessions = new RunningSessions(runningSessionManagers);
+    setRunningSessions(runningSessions);
   }
   const onPlugin = (themeManager: ThemeManager) => {
     // const notebookTracker = jupyterlabAdapter.service("@jupyterlab/notebook-extension:tracker") as NotebookTracker;
@@ -94,7 +99,12 @@ const JupyterLabHeadlessAppExample = () => {
             </Box>
           </Box>
         </ThemeProvider>
-        { boxPanel &&
+        { runningSessions && 
+          <Lumino height="300px">
+            {runningSessions}
+          </Lumino>
+         }
+        { notebookBoxPanel &&
           <div style={{ position: "relative" }}>
             <Box className="jp-LabShell"
               sx={{
@@ -106,7 +116,7 @@ const JupyterLabHeadlessAppExample = () => {
                 },
               }}
             >
-              <Lumino>{boxPanel}</Lumino>
+              <Lumino>{notebookBoxPanel}</Lumino>
             </Box>
           </div>
         }
@@ -114,6 +124,7 @@ const JupyterLabHeadlessAppExample = () => {
           extensions={[
             lightThemeExtension,
             darkThemeExtension,
+            runningExtension,
             ipywidgetsExtension,
             plotlyExtension,
           ]}
diff --git a/packages/react/src/examples/Lumino.tsx b/packages/react/src/examples/Lumino.tsx
new file mode 100755
index 00000000..084b2262
--- /dev/null
+++ b/packages/react/src/examples/Lumino.tsx
@@ -0,0 +1,23 @@
+import { useMemo } from 'react';
+import { createRoot } from 'react-dom/client';
+import LuminoBox from './../jupyter/lumino/LuminoBox';
+import LuminoWidget from './lumino/LuminoWidget';
+
+export const LuminoExample = () => {
+  const luminoWidget = useMemo(() => new LuminoWidget(), []);
+  return (
+    <LuminoBox height="100px">
+      {luminoWidget.panel}
+    </LuminoBox>
+  )
+}
+
+const div = document.createElement('div');
+document.body.appendChild(div);
+const root = createRoot(div)
+
+root.render(
+  <>
+    <LuminoExample/>
+  </>
+);
diff --git a/packages/react/src/examples/NotebookKernelChange.tsx b/packages/react/src/examples/NotebookKernelChange.tsx
index 829d9071..04bee905 100755
--- a/packages/react/src/examples/NotebookKernelChange.tsx
+++ b/packages/react/src/examples/NotebookKernelChange.tsx
@@ -10,7 +10,7 @@ import CellSidebar from '../components/notebook/cell/sidebar/CellSidebar';
 
 const NOTEBOOK_UID = 'notebook-kernel-id';
 
-const NEW_KERNEL_NAME = "python-slow"
+const NEW_KERNEL_NAME = "python-bis"
 
 const NotebookKernelChange = () => {
   const { kernelManager, serverSettings } = useJupyter();
@@ -26,7 +26,7 @@ const NotebookKernelChange = () => {
       });
       kernel.ready.then(() => {
         dispatch(notebookActions.changeKernel({ uid: NOTEBOOK_UID, kernel }));
-        alert('The kernel is changed.')
+        alert('The kernel is changed (was python3, now is python-bis). Bummer, all your variables are lost!')
       });
     }
   }
diff --git a/packages/react/src/examples/lumino/LuminoWidget.css b/packages/react/src/examples/lumino/LuminoWidget.css
new file mode 100644
index 00000000..81ad6f82
--- /dev/null
+++ b/packages/react/src/examples/lumino/LuminoWidget.css
@@ -0,0 +1,34 @@
+.content {
+  min-width: 50px;
+  min-height: 50px;
+  display: block;
+  padding: 8px;
+  border: 1px solid #C0C0C0;
+  border-top: none;
+  box-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
+}
+
+.content > div {
+  border: 1px solid #505050;
+  overflow: auto;
+}
+
+.content input {
+  margin: 8px;
+}
+
+.red > div {
+  background: #E74C3C;
+}
+
+.yellow > div {
+  background: #F1C40F;
+}
+
+.green > div {
+  background: #27AE60;
+}
+
+.blue > div {
+  background: #3498DB;
+}
diff --git a/packages/react/src/examples/lumino/LuminoWidget.ts b/packages/react/src/examples/lumino/LuminoWidget.ts
new file mode 100755
index 00000000..67f27ea4
--- /dev/null
+++ b/packages/react/src/examples/lumino/LuminoWidget.ts
@@ -0,0 +1,90 @@
+import { Message } from '@lumino/messaging';
+import { DockPanel, BoxPanel, Widget } from '@lumino/widgets';
+
+import '@lumino/default-theme/style/index.css';
+
+import './LuminoWidget.css'
+
+class LuminoWidget extends Widget {
+
+  constructor(name: string) {
+    super({ node: LuminoWidget.createNode() });
+    this.setFlag(Widget.Flag.DisallowLayout);
+    this.addClass('content');
+    this.addClass(name.toLowerCase());
+    this.title.label = name;
+    this.title.closable = true;
+    this.title.caption = `Long description for: ${name}`;
+  }
+
+  static createNode(): HTMLElement {
+    let node = document.createElement('div');
+    let content = document.createElement('div');
+    let input = document.createElement('input');
+    input.placeholder = 'Placeholder...';
+    content.appendChild(input);
+    node.appendChild(content);
+    return node;
+  }
+
+  get inputNode(): HTMLInputElement {
+    return this.node.getElementsByTagName('input')[0] as HTMLInputElement;
+  }
+
+  protected onActivateRequest(msg: Message): void {
+    if (this.isAttached) {
+      this.inputNode.focus();
+    }
+  }
+
+}
+
+class SimpleAdapter {
+  private simplePanel: BoxPanel;
+
+  constructor() {
+    const colors = [
+      'Red', 
+      'Yellow',
+      'Green',
+      'Blue'
+    ];
+
+    this.simplePanel = new BoxPanel();
+    this.simplePanel.id = 'simple-panel';
+    // this.simplePanel.direction = 'top-to-bottom';
+    this.simplePanel.spacing = 0;
+
+    // Dock Panel
+    const r1 = new LuminoWidget('Red');
+    const b1 = new LuminoWidget('Blue');
+    const g1 = new LuminoWidget('Green');
+    const y1 = new LuminoWidget('Yellow');
+    const r2 = new LuminoWidget('Red');
+    const b2 = new LuminoWidget('Blue');
+
+    const dockPanel = new DockPanel();
+    dockPanel.addWidget(r1);
+    dockPanel.addWidget(b1, { mode: 'split-right', ref: r1 });
+    dockPanel.addWidget(y1, { mode: 'split-bottom', ref: b1 });
+    dockPanel.addWidget(g1, { mode: 'split-left', ref: y1 });
+    dockPanel.addWidget(r2, { ref: b1 });
+    dockPanel.addWidget(b2, { mode: 'split-right', ref: y1 });
+    dockPanel.id = 'simple-dock-panel';
+
+    this.simplePanel.addWidget(dockPanel);
+
+    for (let i = 0; i < 20; i++) {
+      const c = new LuminoWidget(colors[Math.floor(Math.random() * 4)]);
+      this.simplePanel.addWidget(c);
+    }
+
+  }
+
+  get panel(): BoxPanel {
+    return this.simplePanel;
+  }
+
+}
+
+export default SimpleAdapter;
diff --git a/packages/react/src/index.ts b/packages/react/src/index.ts
index 91225575..028aff20 100755
--- a/packages/react/src/index.ts
+++ b/packages/react/src/index.ts
@@ -47,6 +47,8 @@ export * from './components/notebook/cell/sidebar/CellSidebar';
 export * from './components/notebook/cell/sidebar/CellSidebarRun';
 
 // IPyWidgets.
+export * from './jupyter/ipywidgets/IPyWidgetsAttached';
+export * from './jupyter/ipywidgets/IPyWidgetsViewManager';
 export * from './jupyter/ipywidgets/IPyWidgetsViewManager';
 
 // Commands.
@@ -60,13 +62,13 @@ export * from './components/console/ConsoleState';
 // Dialog.
 export * from './components/dialog/Dialog';
 
-// FileBrowser.
+// File Browser.
 export * from './components/filebrowser/FileBrowser';
 
-// FileManager.
+// File Manager.
 export * from './components/filemanager/FileManagerState';
 
-// FileManager (JupyterLab variant).
+// File Manager (JupyterLab variant).
 export * from './components/filemanager/FileManagerJupyterLab';
 
 // Outputs.
diff --git a/packages/react/src/jupyter/lumino/IPyWidgetsAttached.tsx b/packages/react/src/jupyter/ipywidgets/IPyWidgetsAttached.tsx
similarity index 90%
rename from packages/react/src/jupyter/lumino/IPyWidgetsAttached.tsx
rename to packages/react/src/jupyter/ipywidgets/IPyWidgetsAttached.tsx
index 2c2e8edd..5902c748 100644
--- a/packages/react/src/jupyter/lumino/IPyWidgetsAttached.tsx
+++ b/packages/react/src/jupyter/ipywidgets/IPyWidgetsAttached.tsx
@@ -1,4 +1,4 @@
-import IPyWidgetsViewManager from '../ipywidgets/IPyWidgetsViewManager';
+import IPyWidgetsViewManager from './IPyWidgetsViewManager';
 
 type Props = {
   view: any,
diff --git a/packages/react/src/jupyter/lumino/Lumino.tsx b/packages/react/src/jupyter/lumino/Lumino.tsx
index 28f135de..993aaadf 100644
--- a/packages/react/src/jupyter/lumino/Lumino.tsx
+++ b/packages/react/src/jupyter/lumino/Lumino.tsx
@@ -4,12 +4,13 @@ import { Widget } from '@lumino/widgets';
 
 type LuminoProps = {
   id?: string;
+  height?: string | number;
   children: Widget;
 }
 
 export const Lumino = (props: LuminoProps) => {
   const ref = useRef<HTMLDivElement>(null);
-  const { children, id } = props;
+  const { children, id, height } = props;
   useEffect(() => {
     if (ref && ref.current) {
       try {
@@ -31,11 +32,12 @@ export const Lumino = (props: LuminoProps) => {
       }  
     }
   }, [ref, children]);
-  return <div ref={ref} id={id}/>
+  return <div ref={ref} id={id} style={{ height: height, minHeight: height }} />
 }
 
 Lumino.defaultProps = {
   id: "lumino-id",
+  height: "100%",
 }
 
 export default Lumino;
diff --git a/packages/react/webpack.config.js b/packages/react/webpack.config.js
index 0ffac0ad..3e4dae51 100644
--- a/packages/react/webpack.config.js
+++ b/packages/react/webpack.config.js
@@ -14,6 +14,7 @@ const ENTRY =
 // "./src/app/App";
 // "./src/examples/JupyterLabApp";
 "./src/examples/JupyterLabHeadlessApp";
+// "./src/examples/Lumino";
 // "./src/examples/Matplotlib";
 // "./src/examples/Notebook";
 // "./src/examples/NotebookKernelChange";