diff --git a/package-lock.json b/package-lock.json
index 3adbd53f176..bdd42dcdd4f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28942,7 +28942,7 @@
     },
     "node_modules/scratch-vm": {
       "version": "5.0.300",
-      "resolved": "git+ssh://git@github.com/smalruby/scratch-vm.git#2ddca55f7d10e8549251181a09a5d0506bc474e6",
+      "resolved": "git+ssh://git@github.com/smalruby/scratch-vm.git#db5982d2756da0fa7128e0b17bf6bbe54d2f2a4a",
       "license": "AGPL-3.0-only",
       "dependencies": {
         "@vernier/godirect": "^1.5.0",
diff --git a/src/components/menu-bar/icon--mesh-connected.png b/src/components/menu-bar/icon--mesh-connected.png
new file mode 100644
index 00000000000..3528e4150c9
Binary files /dev/null and b/src/components/menu-bar/icon--mesh-connected.png differ
diff --git a/src/components/menu-bar/icon--mesh-disconnected.png b/src/components/menu-bar/icon--mesh-disconnected.png
new file mode 100644
index 00000000000..b5b794660d2
Binary files /dev/null and b/src/components/menu-bar/icon--mesh-disconnected.png differ
diff --git a/src/components/menu-bar/menu-bar.css b/src/components/menu-bar/menu-bar.css
index a7680a00a3f..6472750b4d5 100644
--- a/src/components/menu-bar/menu-bar.css
+++ b/src/components/menu-bar/menu-bar.css
@@ -219,6 +219,12 @@
     vertical-align: middle;
 }
 
+.mesh-icon {
+    width: 21px;
+    height: 21px;
+    margin-right: 0.5rem;
+}
+
 .collapsible-label {
     margin: 0 .5rem 0 .25rem;
 }
diff --git a/src/components/menu-bar/menu-bar.jsx b/src/components/menu-bar/menu-bar.jsx
index d9e5d08bc05..de98adc5f61 100644
--- a/src/components/menu-bar/menu-bar.jsx
+++ b/src/components/menu-bar/menu-bar.jsx
@@ -34,7 +34,8 @@ import GoogleDriveSaverHOC from '../../containers/google-drive-saver-hoc.jsx';
 import GoogleDriveSaveDialog from '../google-drive-save-dialog/google-drive-save-dialog.jsx';
 import SettingsMenu from './settings-menu.jsx';
 
-import {openDebugModal, openKoshienTestModal} from '../../reducers/modals';
+import {openDebugModal, openKoshienTestModal, openConnectionModal} from '../../reducers/modals';
+import {setConnectionModalExtensionId} from '../../reducers/connection-modal';
 import {openBlockDisplayModal} from '../../reducers/block-display';
 import {setPlayer} from '../../reducers/mode';
 import {
@@ -76,6 +77,9 @@ import {
     openKoshienMenu,
     closeKoshienMenu,
     koshienMenuOpen,
+    openMeshV2Menu,
+    closeMeshV2Menu,
+    meshV2MenuOpen,
     openLoginMenu,
     closeLoginMenu,
     loginMenuOpen,
@@ -101,6 +105,8 @@ import fileIcon from './icon--file.svg';
 import editIcon from './icon--edit.svg';
 import debugIcon from '../debug-modal/icons/icon--debug.svg';
 import koshienIcon from './icon--koshien.svg';
+import meshConnectedIcon from './icon--mesh-connected.png';
+import meshDisconnectedIcon from './icon--mesh-disconnected.png';
 
 import smalrubyLogo from './hatti.svg';
 
@@ -219,6 +225,7 @@ class MenuBar extends React.Component {
             'handleSaveDirectlyToGoogleDrive',
             'handleExtensionAdded',
             'handleClickKoshienEntryForm',
+            'handleMeshV2MenuClick',
             'handleClickLearn'
         ]);
     }
@@ -228,6 +235,9 @@ class MenuBar extends React.Component {
         // Listen for extension load events
         if (this.props.vm.runtime) {
             this.props.vm.runtime.on('EXTENSION_ADDED', this.handleExtensionAdded);
+            this.props.vm.runtime.on('PERIPHERAL_CONNECTED', this.handleExtensionAdded);
+            this.props.vm.runtime.on('PERIPHERAL_DISCONNECTED', this.handleExtensionAdded);
+            this.props.vm.runtime.on('PERIPHERAL_REQUEST_ERROR', this.handleExtensionAdded);
         }
     }
     componentWillUnmount () {
@@ -236,6 +246,9 @@ class MenuBar extends React.Component {
         // Remove extension listener
         if (this.props.vm.runtime) {
             this.props.vm.runtime.off('EXTENSION_ADDED', this.handleExtensionAdded);
+            this.props.vm.runtime.off('PERIPHERAL_CONNECTED', this.handleExtensionAdded);
+            this.props.vm.runtime.off('PERIPHERAL_DISCONNECTED', this.handleExtensionAdded);
+            this.props.vm.runtime.off('PERIPHERAL_REQUEST_ERROR', this.handleExtensionAdded);
         }
     }
     handleExtensionAdded () {
@@ -244,6 +257,52 @@ class MenuBar extends React.Component {
             this.props.onExtensionLoaded();
         }
     }
+    getMeshV2Status () {
+        const vm = this.props.vm;
+        
+        if (!vm) return {loaded: false};
+
+        // In Smalruby 3 / Scratch 3, extensionManager is directly on the vm instance
+        const extensionManager = vm.extensionManager;
+        if (!extensionManager) {
+            return {loaded: false};
+        }
+
+        const isLoaded = extensionManager.isExtensionLoaded('meshV2');
+        
+        if (!isLoaded) {
+            return {loaded: false};
+        }
+
+        // peripheralExtensions is on vm.runtime
+        const runtime = vm.runtime;
+        if (!runtime || !runtime.peripheralExtensions) {
+            return {loaded: true, connected: false};
+        }
+
+        const extension = runtime.peripheralExtensions.meshV2;
+
+        if (!extension) {
+            return {loaded: true, connected: false};
+        }
+
+        const connected = extension.connectionState === 'connected';
+        const message = extension.menuMessage();
+
+        return {
+            loaded: true,
+            connected: connected,
+            message: message,
+            icon: connected ? meshConnectedIcon : meshDisconnectedIcon
+        };
+    }
+    handleMeshV2MenuClick () {
+        // Close the Mesh V2 menu
+        this.props.onRequestCloseMeshV2();
+
+        // Open connection modal
+        this.props.onOpenConnectionModal('meshV2');
+    }
     handleClickNew () {
         // if the project is dirty, and user owns the project, we will autosave.
         // but if they are not logged in and can't save, user should consider
@@ -871,6 +930,42 @@ class MenuBar extends React.Component {
                                 <FormattedMessage {...ariaMessages.debug} />
                             </span>
                         </div>
+                        {(() => {
+                            const meshV2Status = this.getMeshV2Status();
+                            if (!meshV2Status.loaded) return null;
+
+                            return (
+                                <div
+                                    className={classNames(styles.menuBarItem, styles.noOffset, styles.hoverable, {
+                                        [styles.active]: this.props.meshV2MenuOpen
+                                    })}
+                                    onMouseUp={this.props.onClickMeshV2}
+                                >
+                                    <img
+                                        className={styles.meshIcon}
+                                        src={meshV2Status.icon}
+                                    />
+                                    <span className={styles.collapsibleLabel}>
+                                        <FormattedMessage
+                                            defaultMessage="Mesh"
+                                            description="Label for Mesh V2 menu"
+                                            id="gui.menuBar.meshV2"
+                                        />
+                                    </span>
+                                    <img src={dropdownCaret} />
+                                    <MenuBarMenu
+                                        className={classNames(styles.menuBarMenu)}
+                                        open={this.props.meshV2MenuOpen}
+                                        place={this.props.isRtl ? 'left' : 'right'}
+                                        onRequestClose={this.props.onRequestCloseMeshV2}
+                                    >
+                                        <MenuItem onClick={this.handleMeshV2MenuClick}>
+                                            {meshV2Status.message}
+                                        </MenuItem>
+                                    </MenuBarMenu>
+                                </div>
+                            );
+                        })()}
                         {this.props.vm.extensionManager &&
                             this.props.vm.extensionManager.isExtensionLoaded('koshien') && (
                             <div
@@ -1247,6 +1342,7 @@ MenuBar.propTypes = {
     locale: PropTypes.string.isRequired,
     loginMenuOpen: PropTypes.bool,
     logo: PropTypes.string,
+    meshV2MenuOpen: PropTypes.bool,
     mode1920: PropTypes.bool,
     mode1990: PropTypes.bool,
     mode2020: PropTypes.bool,
@@ -1268,6 +1364,7 @@ MenuBar.propTypes = {
     onClickKoshien: PropTypes.func,
     onClickLogin: PropTypes.func,
     onClickLogo: PropTypes.func,
+    onClickMeshV2: PropTypes.func,
     onClickMode: PropTypes.func,
     onClickNew: PropTypes.func,
     onClickRemix: PropTypes.func,
@@ -1277,8 +1374,9 @@ MenuBar.propTypes = {
     onExtensionLoaded: PropTypes.func,
     onLogOut: PropTypes.func,
     onOpenRegistration: PropTypes.func,
-    onOpenDebugModal: PropTypes.func,
     onOpenBlockDisplayModal: PropTypes.func,
+    onOpenConnectionModal: PropTypes.func,
+    onOpenDebugModal: PropTypes.func,
     onOpenKoshienTestModal: PropTypes.func,
     onProjectTelemetryEvent: PropTypes.func,
     onRequestCloseAbout: PropTypes.func,
@@ -1287,6 +1385,7 @@ MenuBar.propTypes = {
     onRequestCloseFile: PropTypes.func,
     onRequestCloseKoshien: PropTypes.func,
     onRequestCloseLogin: PropTypes.func,
+    onRequestCloseMeshV2: PropTypes.func,
     onRequestCloseMode: PropTypes.func,
     onRequestCloseSettings: PropTypes.func,
     onRequestOpenAbout: PropTypes.func,
@@ -1332,6 +1431,7 @@ const mapStateToProps = (state, ownProps) => {
         fileMenuOpen: fileMenuOpen(state),
         editMenuOpen: editMenuOpen(state),
         koshienMenuOpen: koshienMenuOpen(state),
+        meshV2MenuOpen: meshV2MenuOpen(state),
         extensionLoadCounter: state.scratchGui.koshienFile.extensionLoadCounter,
         aiSaveStatus: state.scratchGui.koshienFile.aiSaveStatus,
         googleDriveFile: state.scratchGui.googleDriveFile,
@@ -1361,6 +1461,10 @@ const mapStateToProps = (state, ownProps) => {
 const mapDispatchToProps = dispatch => ({
     autoUpdateProject: () => dispatch(autoUpdateProject()),
     onOpenDebugModal: () => dispatch(openDebugModal()),
+    onOpenConnectionModal: id => {
+        dispatch(setConnectionModalExtensionId(id));
+        dispatch(openConnectionModal());
+    },
     onOpenBlockDisplayModal: () => dispatch(openBlockDisplayModal()),
     onOpenKoshienTestModal: () => dispatch(openKoshienTestModal()),
     onClickAccount: () => dispatch(openAccountMenu()),
@@ -1371,6 +1475,8 @@ const mapDispatchToProps = dispatch => ({
     onRequestCloseEdit: () => dispatch(closeEditMenu()),
     onClickKoshien: () => dispatch(openKoshienMenu()),
     onRequestCloseKoshien: () => dispatch(closeKoshienMenu()),
+    onClickMeshV2: () => dispatch(openMeshV2Menu()),
+    onRequestCloseMeshV2: () => dispatch(closeMeshV2Menu()),
     onClickLogin: () => dispatch(openLoginMenu()),
     onRequestCloseLogin: () => dispatch(closeLoginMenu()),
     onClickMode: () => dispatch(openModeMenu()),
diff --git a/src/locales/en.js b/src/locales/en.js
index d0f323e3fc0..9c1c2376cfb 100644
--- a/src/locales/en.js
+++ b/src/locales/en.js
@@ -7,6 +7,7 @@ export default {
     "gui.smalruby3.previewInfo.invitation": "We're working on the next generation of Smalruby. We're excited for you to try it!",
     "gui.smalruby3.previewInfo.welcome": "Welcome to the Smalruby 3.0 Preview",
     'gui.smalruby3.menuBar.downloadRubyCodeToComputer': 'Save Ruby to your computer',
+    "gui.menuBar.meshV2": "Mesh",
     "gui.smalruby3.menuBar.generateRubyFromCode": "Generate Ruby from Code",
     "gui.smalruby3.unsupportedBrowser.notRecommended": "We are very sorry, but it looks like you are using a browser version that Smalruby 3.0 does not support. We recommend updating to the latest version of a supported browser such as Google Chrome, Mozilla Firefox, Microsoft Edge, or Apple Safari. ",
     "gui.smalruby3.unsupportedBrowser.description": "We're very sorry, but Smalruby 3.0 does not support Internet Explorer, Vivaldi, Opera or Silk. We recommend trying a newer browser such as Google Chrome, Mozilla Firefox, or Microsoft Edge.",
@@ -28,6 +29,9 @@ export default {
     'mesh.clientPeripheralName': 'Join Mesh [{ MESH_ID }]',
     'mesh.registeredHost': 'Registered Host Mesh [{ MESH_ID }]',
     'mesh.joinedMesh': 'Joined Mesh [{ MESH_ID }]',
+    'mesh.notConnectedMenu': '! Disconnected',
+    'mesh.registeredHostMenu': '✔【{ MESH_ID }】 ⏳️{ EXPIRES_AT }',
+    'mesh.joinedMeshMenu': '✔【{ MESH_ID }】 ⏳️{ EXPIRES_AT }',
     'gui.smalruby3.extension.mesh.connectingMessage': 'Connecting',
     'gui.smalruby3.extension.meshV2.name': 'Mesh V2',
     'mesh.notConnected': 'Not connected (Mesh)',
diff --git a/src/locales/ja-Hira.js b/src/locales/ja-Hira.js
index 09f1c8572f0..5d34dc38247 100644
--- a/src/locales/ja-Hira.js
+++ b/src/locales/ja-Hira.js
@@ -1,5 +1,6 @@
 export default {
     'gui.modal.reload': 'さいよみこみ',
+    'gui.menuBar.meshV2': 'メッシュ',
     'gui.menuBar.loadFromUrl': 'Scratchからよみこむ',
     'gui.urlLoader.loadError': 'プロジェクトURLのよみこみにしっぱいしました。',
     'gui.urlLoader.invalidUrl': 'ゆうこうなScratchプロジェクトURLをにゅうりょくしてください。',
@@ -43,6 +44,9 @@ export default {
     'mesh.registeredHost': 'ホストとしてメッシュにとうろくしました 【{ MESH_ID }】',
     'mesh.notConnected': 'メッシュにせつぞくしていません',
     'mesh.joinedMesh': 'メッシュにさんかしました 【{ MESH_ID }】',
+    'mesh.notConnectedMenu': '！せつぞくしていません',
+    'mesh.registeredHostMenu': '✔【{ MESH_ID }】 ⏳️{ EXPIRES_AT }まで',
+    'mesh.joinedMeshMenu': '✔【{ MESH_ID }】 ⏳️{ EXPIRES_AT }まで',
     'gui.smalruby3.extension.smalrubotS1.name': 'スモウルボットS1 (エス1)',
     'gui.smalruby3.extension.smalrubotS1.description': 'スモウルボットS1 (エス1) をせいぎょする。',
     'gui.smalruby3.extension.smalrubotS1.connectingMessage': 'スモウルボットS1 (エス1) にせつぞくしています。',
diff --git a/src/locales/ja.js b/src/locales/ja.js
index 71baa8f79b2..175505f1189 100644
--- a/src/locales/ja.js
+++ b/src/locales/ja.js
@@ -2,6 +2,7 @@ export default {
     'gui.modal.reload': '再読み込み',
     'gui.modal.stop': '中止',
     'gui.menuBar.loadFromUrl': 'Scratchから読み込む',
+    'gui.menuBar.meshV2': 'メッシュ',
     'gui.menuBar.loadFromGoogleDrive': 'Google ドライブから読み込む',
     'gui.menuBar.saveToGoogleDrive': 'Googleドライブにコピーを保存...',
     'gui.menuBar.saveDirectlyToGoogleDrive': 'Googleドライブに直ちに保存',
@@ -75,11 +76,14 @@ export default {
     'mesh.sensorValue': '[NAME] センサーの値',
     'mesh.hostPeripheralName': 'メッシュのホストになる 【{ MESH_ID }】',
     'mesh.clientPeripheralName': 'メッシュに参加する 【{ MESH_ID }】',
-    'mesh.registeredHost': 'ホストとしてメッシュに登録しました 【{ MESH_ID }】',
-    'mesh.joinedMesh': 'メッシュに参加しました 【{ MESH_ID }】',
     'gui.smalruby3.extension.mesh.connectingMessage': 'メッシュのネットワークに接続しています',
     'gui.smalruby3.extension.meshV2.name': 'メッシュ V2',
     'mesh.notConnected': 'メッシュに接続していません',
+    'mesh.registeredHost': 'ホストとしてメッシュに登録しました 【{ MESH_ID }】',
+    'mesh.joinedMesh': 'メッシュに参加しました 【{ MESH_ID }】',
+    'mesh.notConnectedMenu': '！未接続',
+    'mesh.registeredHostMenu': '✔【{ MESH_ID }】 ⏳️{ EXPIRES_AT }まで',
+    'mesh.joinedMeshMenu': '✔【{ MESH_ID }】 ⏳️{ EXPIRES_AT }まで',
     'gui.smalruby3.extension.smalrubotS1.name': 'スモウルボットS1',
     'gui.smalruby3.extension.smalrubotS1.description': 'スモウルボットS1を制御する。',
     'gui.smalruby3.extension.smalrubotS1.connectingMessage': 'スモウルボットS1に接続しています。',
diff --git a/src/reducers/menus.js b/src/reducers/menus.js
index 00765a0b868..4c5d5fae2bc 100644
--- a/src/reducers/menus.js
+++ b/src/reducers/menus.js
@@ -6,6 +6,7 @@ const MENU_ACCOUNT = 'accountMenu';
 const MENU_EDIT = 'editMenu';
 const MENU_FILE = 'fileMenu';
 const MENU_KOSHIEN = 'koshienMenu';
+const MENU_MESH_V2 = 'meshV2Menu';
 const MENU_LANGUAGE = 'languageMenu';
 const MENU_LOGIN = 'loginMenu';
 const MENU_MODE = 'modeMenu';
@@ -58,6 +59,7 @@ const rootMenu = new Menu('root')
     .addChild(new Menu(MENU_EDIT))
     .addChild(new Menu(MENU_MODE))
     .addChild(new Menu(MENU_KOSHIEN))
+    .addChild(new Menu(MENU_MESH_V2))
     .addChild(new Menu(MENU_SETTINGS))
     .addChild(new Menu(MENU_LOGIN))
     .addChild(new Menu(MENU_ACCOUNT))
@@ -69,6 +71,7 @@ const initialState = {
     [MENU_EDIT]: false,
     [MENU_FILE]: false,
     [MENU_KOSHIEN]: false,
+    [MENU_MESH_V2]: false,
     [MENU_LANGUAGE]: false,
     [MENU_LOGIN]: false,
     [MENU_MODE]: false,
@@ -153,6 +156,10 @@ const openKoshienMenu = () => openMenu(MENU_KOSHIEN);
 const closeKoshienMenu = () => closeMenu(MENU_KOSHIEN);
 const koshienMenuOpen = state => state.scratchGui.menus[MENU_KOSHIEN];
 
+const openMeshV2Menu = () => openMenu(MENU_MESH_V2);
+const closeMeshV2Menu = () => closeMenu(MENU_MESH_V2);
+const meshV2MenuOpen = state => state.scratchGui.menus[MENU_MESH_V2];
+
 export {
     reducer as default,
     initialState as menuInitialState,
@@ -171,6 +178,9 @@ export {
     openKoshienMenu,
     closeKoshienMenu,
     koshienMenuOpen,
+    openMeshV2Menu,
+    closeMeshV2Menu,
+    meshV2MenuOpen,
     openLanguageMenu,
     closeLanguageMenu,
     languageMenuOpen,