Merge branch 'release/3.0.1' into fix/VIPEROMCT-388

.eslintrc.js

@@ -13,7 +13,7 @@ module.exports = {
   extends: [
     'eslint:recommended',
     'plugin:compat/recommended',
-    'plugin:vue/recommended',
+    'plugin:vue/vue3-recommended',
     'plugin:you-dont-need-lodash-underscore/compatible',
     'plugin:prettier/recommended'
   ],
@@ -28,6 +28,8 @@ module.exports = {
     }
   },
   rules: {
+    'vue/no-deprecated-dollar-listeners-api': 'warn',
+    'vue/no-deprecated-events-api': 'warn',
     'vue/no-v-for-template-key': 'off',
     'vue/no-v-for-template-key-on-child': 'error',
     'prettier/prettier': 'error',

e2e/appActions.js

@@ -35,6 +35,7 @@
  * @property {string} type the type of domain object to create (e.g.: "Sine Wave Generator").
  * @property {string} [name] the desired name of the created domain object.
  * @property {string | import('../src/api/objects/ObjectAPI').Identifier} [parent] the Identifier or uuid of the parent object.
+ * @property {Object<string, string>} [customParameters] any additional parameters to be passed to the domain object's form. E.g. '[aria-label="Data Rate (hz)"]': {'0.1'}
  */
 
 /**
@@ -65,7 +66,10 @@ const { expect } = require('@playwright/test');
  * @param {CreateObjectOptions} options
  * @returns {Promise<CreatedObjectInfo>} An object containing information about the newly created domain object.
  */
-async function createDomainObjectWithDefaults(page, { type, name, parent = 'mine' }) {
+async function createDomainObjectWithDefaults(
+  page,
+  { type, name, parent = 'mine', customParameters = {} }
+) {
   if (!name) {
     name = `${type}:${genUuid()}`;
   }
@@ -94,6 +98,13 @@ async function createDomainObjectWithDefaults(page, { type, name, parent = 'mine
     await notesInput.fill(page.testNotes);
   }
 
+  // If there are any further parameters, fill them in
+  for (const [key, value] of Object.entries(customParameters)) {
+    const input = page.locator(`form[name="mctForm"] ${key}`);
+    await input.fill('');
+    await input.fill(value);
+  }
+
   // Click OK button and wait for Navigate event
   await Promise.all([
     page.waitForLoadState(),
@@ -177,7 +188,7 @@ async function createPlanFromJSON(page, { name, json, parent = 'mine' }) {
   await page.click(`li:text("Plan")`);
 
   // Modify the name input field of the domain object to accept 'name'
-  const nameInput = page.locator('form[name="mctForm"] .first input[type="text"]');
+  const nameInput = page.getByLabel('Title', { exact: true });
   await nameInput.fill('');
   await nameInput.fill(name);
 
@@ -410,8 +421,18 @@ async function setEndOffset(page, offset) {
   await setTimeConductorOffset(page, offset);
 }
 
+/**
+ * Set the time conductor bounds in fixed time mode
+ *
+ * NOTE: Unless explicitly testing the Time Conductor itself, it is advised to instead
+ * navigate directly to the object with the desired time bounds using `navigateToObjectWithFixedTimeBounds()`.
+ * @param {import('@playwright/test').Page} page
+ * @param {string} startDate
+ * @param {string} endDate
+ */
 async function setTimeConductorBounds(page, startDate, endDate) {
   // Bring up the time conductor popup
+  expect(await page.locator('.l-shell__time-conductor.c-compact-tc').count()).toBe(1);
   await page.click('.l-shell__time-conductor.c-compact-tc');
 
   await setTimeBounds(page, startDate, endDate);
@@ -419,20 +440,31 @@ async function setTimeConductorBounds(page, startDate, endDate) {
   await page.keyboard.press('Enter');
 }
 
+/**
+ * Set the independent time conductor bounds in fixed time mode
+ * @param {import('@playwright/test').Page} page
+ * @param {string} startDate
+ * @param {string} endDate
+ */
 async function setIndependentTimeConductorBounds(page, startDate, endDate) {
   // Activate Independent Time Conductor in Fixed Time Mode
   await page.getByRole('switch').click();
 
   // Bring up the time conductor popup
   await page.click('.c-conductor-holder--compact .c-compact-tc');
-
+  await expect(page.locator('.itc-popout')).toBeInViewport();
-  await expect(page.locator('.itc-popout')).toBeVisible();
 
   await setTimeBounds(page, startDate, endDate);
 
   await page.keyboard.press('Enter');
 }
 
+/**
+ * Set the bounds of the visible conductor in fixed time mode
+ * @param {import('@playwright/test').Page} page
+ * @param {string} startDate
+ * @param {string} endDate
+ */
 async function setTimeBounds(page, startDate, endDate) {
   if (startDate) {
     // Fill start time
@@ -549,6 +581,21 @@ async function getCanvasPixels(page, canvasSelector) {
   return getTelemValuePromise;
 }
 
+/**
+ * @param {import('@playwright/test').Page} page
+ * @param {string} myItemsFolderName
+ * @param {string} url
+ * @param {string} newName
+ */
+async function renameObjectFromContextMenu(page, url, newName) {
+  await openObjectTreeContextMenu(page, url);
+  await page.click('li:text("Edit Properties")');
+  const nameInput = page.getByLabel('Title', { exact: true });
+  await nameInput.fill('');
+  await nameInput.fill(newName);
+  await page.click('[aria-label="Save"]');
+}
+
 // eslint-disable-next-line no-undef
 module.exports = {
   createDomainObjectWithDefaults,
@@ -567,5 +614,6 @@ module.exports = {
   setTimeConductorBounds,
   setIndependentTimeConductorBounds,
   selectInspectorTab,
-  waitForPlotsToRender
+  waitForPlotsToRender,
+  renameObjectFromContextMenu
 };

e2e/tests/functional/plugins/displayLayout/displayLayout.e2e.spec.js

@@ -260,6 +260,7 @@ test.describe('Display Layout', () => {
   test('When multiple plots are contained in a layout, we only ask for annotations once @couchdb', async ({
     page
   }) => {
+    await setFixedTimeMode(page);
     // Create another Sine Wave Generator
     const anotherSineWaveObject = await createDomainObjectWithDefaults(page, {
       type: 'Sine Wave Generator'
@@ -316,10 +317,20 @@ test.describe('Display Layout', () => {
 
     // wait for annotations requests to be batched and requested
     await page.waitForLoadState('networkidle');
-
     // Network requests for the composite telemetry with multiple items should be:
     // 1.  a single batched request for annotations
     expect(networkRequests.length).toBe(1);
+
+    await setRealTimeMode(page);
+    networkRequests = [];
+
+    await page.reload();
+
+    // wait for annotations to not load (if we have any, we've got a problem)
+    await page.waitForLoadState('networkidle');
+
+    // In real time mode, we don't fetch annotations at all
+    expect(networkRequests.length).toBe(0);
   });
 });
 

e2e/tests/functional/plugins/flexibleLayout/flexibleLayout.e2e.spec.js

@@ -29,6 +29,10 @@ const {
 test.describe('Flexible Layout', () => {
   let sineWaveObject;
   let clockObject;
+  let treePane;
+  let sineWaveGeneratorTreeItem;
+  let clockTreeItem;
+  let flexibleLayout;
   test.beforeEach(async ({ page }) => {
     await page.goto('./', { waitUntil: 'domcontentloaded' });
 
@@ -41,23 +45,27 @@ test.describe('Flexible Layout', () => {
     clockObject = await createDomainObjectWithDefaults(page, {
       type: 'Clock'
     });
+
+    // Create a Flexible Layout
+    flexibleLayout = await createDomainObjectWithDefaults(page, {
+      type: 'Flexible Layout'
+    });
+
+    // Define the Sine Wave Generator and Clock tree items
+    treePane = page.getByRole('tree', {
+      name: 'Main Tree'
+    });
+    sineWaveGeneratorTreeItem = treePane.getByRole('treeitem', {
+      name: new RegExp(sineWaveObject.name)
+    });
+    clockTreeItem = treePane.getByRole('treeitem', {
+      name: new RegExp(clockObject.name)
+    });
   });
   test('panes have the appropriate draggable attribute while in Edit and Browse modes', async ({
     page
   }) => {
-    const treePane = page.getByRole('tree', {
+    await page.goto(flexibleLayout.url);
-      name: 'Main Tree'
-    });
-    const sineWaveGeneratorTreeItem = treePane.getByRole('treeitem', {
-      name: new RegExp(sineWaveObject.name)
-    });
-    const clockTreeItem = treePane.getByRole('treeitem', {
-      name: new RegExp(clockObject.name)
-    });
-    // Create a Flexible Layout
-    await createDomainObjectWithDefaults(page, {
-      type: 'Flexible Layout'
-    });
     // Edit Flexible Layout
     await page.locator('[title="Edit"]').click();
 
@@ -78,19 +86,79 @@ test.describe('Flexible Layout', () => {
     dragWrapper = page.locator('.c-fl-container__frames-holder .c-fl-frame__drag-wrapper').first();
     await expect(dragWrapper).toHaveAttribute('draggable', 'false');
   });
+  test('changing toolbar settings in edit mode is immediately reflected and persists upon save', async ({
+    page
+  }) => {
+    test.info().annotations.push({
+      type: 'issue',
+      description: 'https://github.com/nasa/openmct/issues/6942'
+    });
+
+    await page.goto(flexibleLayout.url);
+
+    // Expand the 'My Items' folder in the left tree
+    await page.locator('.c-tree__item__view-control.c-disclosure-triangle').first().click();
+    // Add the Sine Wave Generator and Clock to the Flexible Layout
+    await sineWaveGeneratorTreeItem.dragTo(page.locator('.c-fl__container.is-empty').first());
+    await clockTreeItem.dragTo(page.locator('.c-fl__container.is-empty'));
+
+    // Click on the first frame to select it
+    await page.locator('.c-fl-container__frame').first().click();
+    await expect(page.locator('.c-fl-container__frame > .c-frame').first()).toHaveAttribute(
+      's-selected',
+      ''
+    );
+
+    // Assert the toolbar is visible
+    await expect(page.locator('.c-toolbar')).toBeInViewport();
+
+    // Assert the layout is in columns orientation
+    expect(await page.locator('.c-fl--rows').count()).toEqual(0);
+
+    // Change the layout to rows orientation
+    await page.getByTitle('Columns layout').click();
+
+    // Assert the layout is in rows orientation
+    expect(await page.locator('.c-fl--rows').count()).toBeGreaterThan(0);
+
+    // Assert the frame of the first item is visible
+    await expect(page.locator('.c-so-view').first()).not.toHaveClass(/c-so-view--no-frame/);
+
+    // Hide the frame of the first item
+    await page.getByTitle('Frame visible').click();
+
+    // Assert the frame is hidden
+    await expect(page.locator('.c-so-view').first()).toHaveClass(/c-so-view--no-frame/);
+
+    // Assert there are 2 containers
+    expect(await page.locator('.c-fl-container').count()).toEqual(2);
+
+    // Add a container
+    await page.getByTitle('Add Container').click();
+
+    // Assert there are 3 containers
+    expect(await page.locator('.c-fl-container').count()).toEqual(3);
+
+    // Save Flexible Layout
+    await page.locator('button[title="Save"]').click();
+    await page.getByRole('listitem', { name: 'Save and Finish Editing' }).click();
+
+    // Nav away and back
+    await page.goto(sineWaveObject.url);
+    await page.goto(flexibleLayout.url);
+
+    // Wait for the first frame to be visible so we know the layout has loaded
+    await expect(page.locator('.c-fl-container').nth(0)).toBeInViewport();
+
+    // Assert the settings have persisted
+    expect(await page.locator('.c-fl-container').count()).toEqual(3);
+    expect(await page.locator('.c-fl--rows').count()).toBeGreaterThan(0);
+    await expect(page.locator('.c-so-view').first()).toHaveClass(/c-so-view--no-frame/);
+  });
   test('items in a flexible layout can be removed with object tree context menu when viewing the flexible layout', async ({
     page
   }) => {
-    const treePane = page.getByRole('tree', {
+    await page.goto(flexibleLayout.url);
-      name: 'Main Tree'
-    });
-    const sineWaveGeneratorTreeItem = treePane.getByRole('treeitem', {
-      name: new RegExp(sineWaveObject.name)
-    });
-    // Create a Display Layout
-    await createDomainObjectWithDefaults(page, {
-      type: 'Flexible Layout'
-    });
     // Edit Flexible Layout
     await page.locator('[title="Edit"]').click();
 
@@ -121,17 +189,7 @@ test.describe('Flexible Layout', () => {
       type: 'issue',
       description: 'https://github.com/nasa/openmct/issues/3117'
     });
-    const treePane = page.getByRole('tree', {
+    await page.goto(flexibleLayout.url);
-      name: 'Main Tree'
-    });
-    const sineWaveGeneratorTreeItem = treePane.getByRole('treeitem', {
-      name: new RegExp(sineWaveObject.name)
-    });
-
-    // Create a Flexible Layout
-    const flexibleLayout = await createDomainObjectWithDefaults(page, {
-      type: 'Flexible Layout'
-    });
     // Edit Flexible Layout
     await page.locator('[title="Edit"]').click();
 
@@ -167,19 +225,13 @@ test.describe('Flexible Layout', () => {
     const exampleImageryObject = await createDomainObjectWithDefaults(page, {
       type: 'Example Imagery'
     });
-    // Create a Flexible Layout
+
-    await createDomainObjectWithDefaults(page, {
+    await page.goto(flexibleLayout.url);
-      type: 'Flexible Layout'
+    // Edit Flexible Layout
-    });
-    // Edit Display Layout
     await page.locator('[title="Edit"]').click();
 
     // Expand the 'My Items' folder in the left tree
     await page.locator('.c-tree__item__view-control.c-disclosure-triangle').click();
-    // Add the Sine Wave Generator to the Flexible Layout and save changes
-    const treePane = page.getByRole('tree', {
-      name: 'Main Tree'
-    });
     const exampleImageryTreeItem = treePane.getByRole('treeitem', {
       name: new RegExp(exampleImageryObject.name)
     });

e2e/tests/functional/plugins/imagery/exampleImagery.e2e.spec.js

@@ -79,25 +79,25 @@ test.describe('Example Imagery Object', () => {
     // Test independent fixed time with global fixed time
     // flip on independent time conductor
     await page.getByRole('switch', { name: 'Enable Independent Time Conductor' }).click();
+
+    // Adding in delay to address flakiness of ITC test-- button event handlers not registering in time
+    await expect(page.locator('#independentTCToggle')).toBeChecked();
+    await expect(page.locator('.c-compact-tc').first()).toBeVisible();
+
     await page.getByRole('button', { name: 'Independent Time Conductor Settings' }).click();
-    await page.getByRole('textbox', { name: 'Start date' }).fill('');
+
     await page.getByRole('textbox', { name: 'Start date' }).fill('2021-12-30');
     await page.keyboard.press('Tab');
-    await page.getByRole('textbox', { name: 'Start time' }).fill('');
+    await page.getByRole('textbox', { name: 'Start time' }).fill('01:01:00');
-    await page.getByRole('textbox', { name: 'Start time' }).type('01:01:00');
     await page.keyboard.press('Tab');
-    await page.getByRole('textbox', { name: 'End date' }).fill('');
+    await page.getByRole('textbox', { name: 'End date' }).fill('2021-12-30');
-    await page.getByRole('textbox', { name: 'End date' }).type('2021-12-30');
     await page.keyboard.press('Tab');
-    await page.getByRole('textbox', { name: 'End time' }).fill('');
+    await page.getByRole('textbox', { name: 'End time' }).fill('01:11:00');
-    await page.getByRole('textbox', { name: 'End time' }).type('01:11:00');
     await page.keyboard.press('Tab');
     await page.keyboard.press('Enter');
-    // expect(await page.getByRole('button', { name: 'Submit time bounds' }).isEnabled()).toBe(true);
-    // await page.getByRole('button', { name: 'Submit time bounds' }).click();
 
     // check image date
-    await expect(page.getByText('2021-12-30 01:11:00.000Z').first()).toBeVisible();
+    await expect(page.getByText('2021-12-30 01:01:00.000Z').first()).toBeVisible();
 
     // flip it off
     await page.getByRole('switch', { name: 'Disable Independent Time Conductor' }).click();
@@ -106,9 +106,12 @@ test.describe('Example Imagery Object', () => {
 
     // Test independent fixed time with global realtime
     await setRealTimeMode(page);
+    await expect(
+      page.getByRole('switch', { name: 'Enable Independent Time Conductor' })
+    ).toBeEnabled();
     await page.getByRole('switch', { name: 'Enable Independent Time Conductor' }).click();
     // check image date to be in the past
-    await expect(page.getByText('2021-12-30 01:11:00.000Z').first()).toBeVisible();
+    await expect(page.getByText('2021-12-30 01:01:00.000Z').first()).toBeVisible();
     // flip it off
     await page.getByRole('switch', { name: 'Disable Independent Time Conductor' }).click();
     // timestamp shouldn't be in the past anymore

e2e/tests/functional/plugins/plot/tagging.e2e.spec.js

@@ -29,10 +29,11 @@ const {
   createDomainObjectWithDefaults,
   setRealTimeMode,
   setFixedTimeMode,
-  waitForPlotsToRender
+  waitForPlotsToRender,
+  selectInspectorTab
 } = require('../../../../appActions');
 
-test.describe.fixme('Plot Tagging', () => {
+test.describe('Plot Tagging', () => {
   /**
    * Given a canvas and a set of points, tags the points on the canvas.
    * @param {import('@playwright/test').Page} page
@@ -41,7 +42,7 @@ test.describe.fixme('Plot Tagging', () => {
    * @param {Number} yEnd a telemetry item with a plot
    * @returns {Promise}
    */
-  async function createTags({ page, canvas, xEnd, yEnd }) {
+  async function createTags({ page, canvas, xEnd = 700, yEnd = 480 }) {
     await canvas.hover({ trial: true });
 
     //Alt+Shift Drag Start to select some points to tag
@@ -90,15 +91,17 @@ test.describe.fixme('Plot Tagging', () => {
     await expect(page.getByText('No tags to display for this item')).toBeVisible();
 
     const canvas = page.locator('canvas').nth(1);
+    //Wait for canvas to stabilize.
+    await waitForPlotsToRender(page);
 
-    //Wait for canvas to stablize.
+    await expect(canvas).toBeInViewport();
     await canvas.hover({ trial: true });
 
     // click on the tagged plot point
     await canvas.click({
       position: {
-        x: 325,
+        x: 100,
-        y: 377
+        y: 100
       }
     });
 
@@ -146,7 +149,10 @@ test.describe.fixme('Plot Tagging', () => {
     // wait for plots to load
     await waitForPlotsToRender(page);
 
-    await page.getByText('Annotations').click();
+    await expect(page.getByRole('tab', { name: 'Annotations' })).not.toHaveClass(/is-current/);
+    await selectInspectorTab(page, 'Annotations');
+    await expect(page.getByRole('tab', { name: 'Annotations' })).toHaveClass(/is-current/);
+
     await expect(page.getByText('No tags to display for this item')).toBeVisible();
 
     const canvas = page.locator('canvas').nth(1);
@@ -171,8 +177,6 @@ test.describe.fixme('Plot Tagging', () => {
       type: 'issue',
       description: 'https://github.com/nasa/openmct/issues/6822'
     });
-    //Test.slow decorator is currently broken. Needs to be fixed in https://github.com/nasa/openmct/issues/5374
-    test.slow();
 
     const overlayPlot = await createDomainObjectWithDefaults(page, {
       type: 'Overlay Plot'
@@ -181,13 +185,19 @@ test.describe.fixme('Plot Tagging', () => {
     const alphaSineWave = await createDomainObjectWithDefaults(page, {
       type: 'Sine Wave Generator',
       name: 'Alpha Sine Wave',
-      parent: overlayPlot.uuid
+      parent: overlayPlot.uuid,
+      customParameters: {
+        '[aria-label="Data Rate (hz)"]': '0.01'
+      }
     });
 
     await createDomainObjectWithDefaults(page, {
       type: 'Sine Wave Generator',
       name: 'Beta Sine Wave',
-      parent: overlayPlot.uuid
+      parent: overlayPlot.uuid,
+      customParameters: {
+        '[aria-label="Data Rate (hz)"]': '0.02'
+      }
     });
 
     await page.goto(overlayPlot.url);
@@ -200,9 +210,7 @@ test.describe.fixme('Plot Tagging', () => {
 
     await createTags({
       page,
-      canvas,
+      canvas
-      xEnd: 700,
-      yEnd: 480
     });
 
     await setFixedTimeMode(page);
@@ -232,15 +240,15 @@ test.describe.fixme('Plot Tagging', () => {
 
   test('Tags work with Plot View of telemetry items', async ({ page }) => {
     await createDomainObjectWithDefaults(page, {
-      type: 'Sine Wave Generator'
+      type: 'Sine Wave Generator',
+      customParameters: {
+        '[aria-label="Data Rate (hz)"]': '0.01'
+      }
     });
-
     const canvas = page.locator('canvas').nth(1);
     await createTags({
       page,
-      canvas,
+      canvas
-      xEnd: 700,
-      yEnd: 480
     });
     await basicTagsTests(page);
   });
@@ -253,13 +261,19 @@ test.describe.fixme('Plot Tagging', () => {
     const alphaSineWave = await createDomainObjectWithDefaults(page, {
       type: 'Sine Wave Generator',
       name: 'Alpha Sine Wave',
-      parent: stackedPlot.uuid
+      parent: stackedPlot.uuid,
+      customParameters: {
+        '[aria-label="Data Rate (hz)"]': '0.01'
+      }
     });
 
     await createDomainObjectWithDefaults(page, {
       type: 'Sine Wave Generator',
       name: 'Beta Sine Wave',
-      parent: stackedPlot.uuid
+      parent: stackedPlot.uuid,
+      customParameters: {
+        '[aria-label="Data Rate (hz)"]': '0.02'
+      }
     });
 
     await page.goto(stackedPlot.url);

e2e/tests/functional/recentObjects.e2e.spec.js

@@ -59,9 +59,9 @@ test.describe('Recent Objects', () => {
     await page.mouse.move(0, 100);
     await page.mouse.up();
   });
-  test.fixme(
+  test('Navigated objects show up in recents, object renames and deletions are reflected', async ({
-    'Navigated objects show up in recents, object renames and deletions are reflected',
+    page
-    async ({ page }) => {
+  }) => {
     test.info().annotations.push({
       type: 'issue',
       description: 'https://github.com/nasa/openmct/issues/6818'
@@ -95,7 +95,6 @@ test.describe('Recent Objects', () => {
     ).toBeGreaterThan(0);
     expect(recentObjectsList.getByRole('listitem', { name: folderA.name })).toBeTruthy();
 
-      // Delete
     await page.click('button[title="Show selected item in tree"]');
     // Delete the folder via the left tree pane treeitem context menu
     await page
@@ -110,8 +109,7 @@ test.describe('Recent Objects', () => {
     // Verify that the folder and clock are no longer in the recent objects list
     await expect(recentObjectsList.getByRole('listitem', { name: folderA.name })).toBeHidden();
     await expect(recentObjectsList.getByRole('listitem', { name: clock.name })).toBeHidden();
-    }
+  });
-  );
 
   test('Clicking on an object in the path of a recent object navigates to the object', async ({
     page,

e2e/tests/functional/renaming.e2e.spec.js

@@ -0,0 +1,78 @@
+/*****************************************************************************
+ * Open MCT, Copyright (c) 2014-2023, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT is licensed under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * Open MCT includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+
+/*
+This test suite is dedicated to tests for renaming objects, and their global application effects.
+*/
+
+const { test, expect } = require('../../baseFixtures.js');
+const {
+  createDomainObjectWithDefaults,
+  renameObjectFromContextMenu
+} = require('../../appActions.js');
+
+test.describe('Renaming objects', () => {
+  test.beforeEach(async ({ page }) => {
+    // Go to baseURL
+    await page.goto('./', { waitUntil: 'networkidle' });
+  });
+
+  test('When renaming objects, the browse bar and various components all update', async ({
+    page
+  }) => {
+    const folder = await createDomainObjectWithDefaults(page, {
+      type: 'Folder'
+    });
+    // Create a new 'Clock' object with default settings
+    const clock = await createDomainObjectWithDefaults(page, {
+      type: 'Clock',
+      parent: folder.uuid
+    });
+
+    // Rename
+    clock.name = `${clock.name}-NEW!`;
+    await renameObjectFromContextMenu(page, clock.url, clock.name);
+    // check inspector for new name
+    const titleValue = await page
+      .getByLabel('Title inspector properties')
+      .getByLabel('inspector property value')
+      .textContent();
+    expect(titleValue).toBe(clock.name);
+    // check browse bar for new name
+    await expect(page.locator(`.l-browse-bar >> text=${clock.name}`)).toBeVisible();
+    // check tree item for new name
+    await expect(
+      page.getByRole('listitem', {
+        name: clock.name
+      })
+    ).toBeVisible();
+    // check recent objects for new name
+    await expect(
+      page.getByRole('navigation', {
+        name: clock.name
+      })
+    ).toBeVisible();
+    // check title for new name
+    const title = await page.title();
+    expect(title).toBe(clock.name);
+  });
+});

e2e/tests/functional/tree.e2e.spec.js

@@ -23,7 +23,7 @@
 const { test, expect } = require('../../pluginFixtures.js');
 const {
   createDomainObjectWithDefaults,
-  openObjectTreeContextMenu
+  renameObjectFromContextMenu
 } = require('../../appActions.js');
 
 test.describe('Main Tree', () => {
@@ -249,18 +249,3 @@ async function expandTreePaneItemByName(page, name) {
   });
   await treeItem.locator('.c-disclosure-triangle').click();
 }
-
-/**
- * @param {import('@playwright/test').Page} page
- * @param {string} myItemsFolderName
- * @param {string} url
- * @param {string} newName
- */
-async function renameObjectFromContextMenu(page, url, newName) {
-  await openObjectTreeContextMenu(page, url);
-  await page.click('li:text("Edit Properties")');
-  const nameInput = page.locator('form[name="mctForm"] .first input[type="text"]');
-  await nameInput.fill('');
-  await nameInput.fill(newName);
-  await page.click('[aria-label="Save"]');
-}

e2e/tests/performance/tagging.perf.spec.js

@@ -0,0 +1,273 @@
+/*****************************************************************************
+ * Open MCT, Copyright (c) 2014-2023, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT is licensed under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * Open MCT includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+
+/*
+Tests to verify plot tagging performance.
+*/
+
+const { test, expect } = require('../../pluginFixtures');
+const {
+  createDomainObjectWithDefaults,
+  setRealTimeMode,
+  setFixedTimeMode,
+  waitForPlotsToRender
+} = require('../../appActions');
+
+test.describe.fixme('Plot Tagging Performance', () => {
+  /**
+   * Given a canvas and a set of points, tags the points on the canvas.
+   * @param {import('@playwright/test').Page} page
+   * @param {HTMLCanvasElement} canvas a telemetry item with a plot
+   * @param {Number} xEnd a telemetry item with a plot
+   * @param {Number} yEnd a telemetry item with a plot
+   * @returns {Promise}
+   */
+  async function createTags({ page, canvas, xEnd = 700, yEnd = 480 }) {
+    await canvas.hover({ trial: true });
+
+    //Alt+Shift Drag Start to select some points to tag
+    await page.keyboard.down('Alt');
+    await page.keyboard.down('Shift');
+
+    await canvas.dragTo(canvas, {
+      sourcePosition: {
+        x: 1,
+        y: 1
+      },
+      targetPosition: {
+        x: xEnd,
+        y: yEnd
+      }
+    });
+
+    //Alt Drag End
+    await page.keyboard.up('Alt');
+    await page.keyboard.up('Shift');
+
+    //Wait for canvas to stablize.
+    await canvas.hover({ trial: true });
+
+    // add some tags
+    await page.getByText('Annotations').click();
+    await page.getByRole('button', { name: /Add Tag/ }).click();
+    await page.getByPlaceholder('Type to select tag').click();
+    await page.getByText('Driving').click();
+
+    await page.getByRole('button', { name: /Add Tag/ }).click();
+    await page.getByPlaceholder('Type to select tag').click();
+    await page.getByText('Science').click();
+  }
+
+  /**
+   * Given a telemetry item (e.g., a Sine Wave Generator) with a plot, tests that the plot can be tagged.
+   * @param {import('@playwright/test').Page} page
+   * @param {import('../../../../appActions').CreatedObjectInfo} telemetryItem a telemetry item with a plot
+   * @returns {Promise}
+   */
+  async function testTelemetryItem(page, telemetryItem) {
+    // Check that telemetry item also received the tag
+    await page.goto(telemetryItem.url);
+
+    await expect(page.getByText('No tags to display for this item')).toBeVisible();
+
+    const canvas = page.locator('canvas').nth(1);
+
+    //Wait for canvas to stablize.
+    await canvas.hover({ trial: true });
+
+    // click on the tagged plot point
+    await canvas.click({
+      position: {
+        x: 100,
+        y: 100
+      }
+    });
+
+    await expect(page.getByText('Science')).toBeVisible();
+    await expect(page.getByText('Driving')).toBeHidden();
+  }
+
+  /**
+   * Given a page, tests that tags are searchable, deletable, and persist across reloads.
+   * @param {import('@playwright/test').Page} page
+   * @returns {Promise}
+   */
+  async function basicTagsTests(page) {
+    // Search for Driving
+    await page.locator('[aria-label="OpenMCT Search"] input[type="search"]').click();
+
+    // Clicking elsewhere should cause annotation selection to be cleared
+    await expect(page.getByText('No tags to display for this item')).toBeVisible();
+
+    await page.locator('[aria-label="OpenMCT Search"] input[type="search"]').fill('driv');
+    // click on the search result
+    await page
+      .getByRole('searchbox', { name: 'OpenMCT Search' })
+      .getByText(/Sine Wave/)
+      .first()
+      .click();
+
+    // Delete Driving
+    await page.hover('[aria-label="Tag"]:has-text("Driving")');
+    await page.locator('[aria-label="Remove tag Driving"]').click();
+
+    // Search for Science
+    await page.locator('[aria-label="OpenMCT Search"] input[type="search"]').click();
+    await page.locator('[aria-label="OpenMCT Search"] input[type="search"]').fill('sc');
+    await expect(page.locator('[aria-label="Search Result"]').nth(0)).toContainText('Science');
+    await expect(page.locator('[aria-label="Search Result"]').nth(0)).not.toContainText('Drilling');
+
+    // Search for Driving
+    await page.locator('[aria-label="OpenMCT Search"] input[type="search"]').click();
+    await page.locator('[aria-label="OpenMCT Search"] input[type="search"]').fill('driv');
+    await expect(page.getByText('No results found')).toBeVisible();
+
+    //Reload Page
+    await page.reload({ waitUntil: 'domcontentloaded' });
+    // wait for plots to load
+    await waitForPlotsToRender(page);
+
+    await page.getByText('Annotations').click();
+    await expect(page.getByText('No tags to display for this item')).toBeVisible();
+
+    const canvas = page.locator('canvas').nth(1);
+    // click on the tagged plot point
+    await canvas.click({
+      position: {
+        x: 100,
+        y: 100
+      }
+    });
+
+    await expect(page.getByText('Science')).toBeVisible();
+    await expect(page.getByText('Driving')).toBeHidden();
+  }
+
+  test.beforeEach(async ({ page }) => {
+    await page.goto('./', { waitUntil: 'domcontentloaded' });
+  });
+
+  test('Tags work with Overlay Plots', async ({ page }) => {
+    test.info().annotations.push({
+      type: 'issue',
+      description: 'https://github.com/nasa/openmct/issues/6822'
+    });
+    //Test.slow decorator is currently broken. Needs to be fixed in https://github.com/nasa/openmct/issues/5374
+    test.slow();
+
+    const overlayPlot = await createDomainObjectWithDefaults(page, {
+      type: 'Overlay Plot'
+    });
+
+    const alphaSineWave = await createDomainObjectWithDefaults(page, {
+      type: 'Sine Wave Generator',
+      name: 'Alpha Sine Wave',
+      parent: overlayPlot.uuid
+    });
+
+    await createDomainObjectWithDefaults(page, {
+      type: 'Sine Wave Generator',
+      name: 'Beta Sine Wave',
+      parent: overlayPlot.uuid
+    });
+
+    await page.goto(overlayPlot.url);
+
+    let canvas = page.locator('canvas').nth(1);
+
+    // Switch to real-time mode
+    // Adding tags should pause the plot
+    await setRealTimeMode(page);
+
+    await createTags({
+      page,
+      canvas
+    });
+
+    await setFixedTimeMode(page);
+
+    await basicTagsTests(page);
+    await testTelemetryItem(page, alphaSineWave);
+
+    // set to real time mode
+    await setRealTimeMode(page);
+
+    // Search for Science
+    await page.locator('[aria-label="OpenMCT Search"] input[type="search"]').click();
+    await page.locator('[aria-label="OpenMCT Search"] input[type="search"]').fill('sc');
+    // click on the search result
+    await page
+      .getByRole('searchbox', { name: 'OpenMCT Search' })
+      .getByText('Alpha Sine Wave')
+      .first()
+      .click();
+    // wait for plots to load
+    await expect(page.locator('.js-series-data-loaded')).toBeVisible();
+    // expect plot to be paused
+    await expect(page.locator('[title="Resume displaying real-time data"]')).toBeVisible();
+
+    await setFixedTimeMode(page);
+  });
+
+  test('Tags work with Plot View of telemetry items', async ({ page }) => {
+    await createDomainObjectWithDefaults(page, {
+      type: 'Sine Wave Generator'
+    });
+    const canvas = page.locator('canvas').nth(1);
+    await createTags({
+      page,
+      canvas
+    });
+    await basicTagsTests(page);
+  });
+
+  test('Tags work with Stacked Plots', async ({ page }) => {
+    const stackedPlot = await createDomainObjectWithDefaults(page, {
+      type: 'Stacked Plot'
+    });
+
+    const alphaSineWave = await createDomainObjectWithDefaults(page, {
+      type: 'Sine Wave Generator',
+      name: 'Alpha Sine Wave',
+      parent: stackedPlot.uuid
+    });
+
+    await createDomainObjectWithDefaults(page, {
+      type: 'Sine Wave Generator',
+      name: 'Beta Sine Wave',
+      parent: stackedPlot.uuid
+    });
+
+    await page.goto(stackedPlot.url);
+
+    const canvas = page.locator('canvas').nth(1);
+
+    await createTags({
+      page,
+      canvas,
+      xEnd: 700,
+      yEnd: 215
+    });
+    await basicTagsTests(page);
+    await testTelemetryItem(page, alphaSineWave);
+  });
+});

package.json

@@ -1,6 +1,6 @@
 {
   "name": "openmct",
-  "version": "3.0.0-SNAPSHOT",
+  "version": "3.0.0",
   "description": "The Open MCT core platform",
   "devDependencies": {
     "@babel/eslint-parser": "7.22.5",
@@ -80,7 +80,8 @@
     "clean-test-lint": "npm run clean; npm install; npm run test; npm run lint",
     "start": "npx webpack serve --config ./.webpack/webpack.dev.js",
     "start:coverage": "npx webpack serve --config ./.webpack/webpack.coverage.js",
-    "lint": "eslint example src e2e --ext .js,.vue openmct.js --max-warnings=0",
+    "lint": "eslint example src e2e --ext .js openmct.js --max-warnings=0 && eslint example src --ext .vue",
+    "lint:spelling": "cspell \"**/*.{js,md,vue}\" --show-context --gitignore",
     "lint:fix": "eslint example src e2e --ext .js,.vue openmct.js --fix",
     "build:prod": "webpack --config ./.webpack/webpack.prod.js",
     "build:dev": "webpack --config ./.webpack/webpack.dev.js",

src/api/forms/components/FormRow.vue

@@ -22,9 +22,9 @@
 
 <template>
   <div class="form-row c-form__row" :class="[{ first: first }, cssClass]" @onChange="onChange">
-    <div class="c-form-row__label" :title="row.description">
+    <label class="c-form-row__label" :title="row.description" :for="`form-${row.key}`">
       {{ row.name }}
-    </div>
+    </label>
     <div class="c-form-row__state-indicator" :class="reqClass"></div>
     <div v-if="row.control" ref="rowElement" class="c-form-row__controls"></div>
   </div>

src/api/forms/components/controls/TextField.vue

@@ -23,7 +23,14 @@
 <template>
   <span class="form-control shell">
     <span class="field control" :class="model.cssClass">
-      <input v-model="field" type="text" :size="model.size" @input="updateText()" />
+      <input
+        :id="`form-${model.key}`"
+        v-model="field"
+        :name="model.key"
+        type="text"
+        :size="model.size"
+        @input="updateText()"
+      />
     </span>
   </span>
 </template>

src/api/objects/ObjectAPI.js

@@ -554,28 +554,34 @@ export default class ObjectAPI {
    */
   async getTelemetryPath(identifier, telemetryIdentifier) {
     const objectDetails = await this.get(identifier);
-    const telemetryPath = [];
+    let telemetryPath = [];
-    if (objectDetails.composition && !['folder'].includes(objectDetails.type)) {
+    if (objectDetails?.type === 'folder') {
-      let sourceTelemetry = objectDetails.composition[0];
-      if (telemetryIdentifier) {
-        sourceTelemetry = objectDetails.composition.find(
-          (telemetrySource) =>
-            this.makeKeyString(telemetrySource) === this.makeKeyString(telemetryIdentifier)
-        );
-      }
-      const compositionElement = await this.get(sourceTelemetry);
-      if (!['yamcs.telemetry', 'generator'].includes(compositionElement.type)) {
       return telemetryPath;
     }
-      const telemetryKey = compositionElement.identifier.key;
+
-      const telemetryPathObjects = await this.getOriginalPath(telemetryKey);
+    let sourceTelemetry = null;
-      telemetryPathObjects.forEach((pathObject) => {
+    if (telemetryIdentifier && utils.identifierEquals(identifier, telemetryIdentifier)) {
-        if (pathObject.type === 'root') {
+      sourceTelemetry = identifier;
-          return;
+    } else if (objectDetails.composition) {
+      sourceTelemetry = objectDetails.composition[0];
+      if (telemetryIdentifier) {
+        sourceTelemetry = objectDetails.composition.find((telemetrySource) =>
+          utils.identifierEquals(telemetrySource, telemetryIdentifier)
+        );
       }
-        telemetryPath.unshift(pathObject.name);
-      });
     }
+
+    const compositionElement = await this.get(sourceTelemetry);
+    if (!['yamcs.telemetry', 'generator', 'yamcs.aggregate'].includes(compositionElement.type)) {
+      return telemetryPath;
+    }
+
+    const telemetryPathObjects = await this.getOriginalPath(compositionElement.identifier);
+    telemetryPath = telemetryPathObjects
+      .reverse()
+      .filter((pathObject) => pathObject.type !== 'root')
+      .map((pathObject) => pathObject.name);
+
     return telemetryPath;
   }
 

src/api/tooltips/ToolTipAPI.js

@@ -57,13 +57,22 @@ class TooltipAPI {
    * @private for platform-internal use
    */
   showTooltip(tooltip) {
+    this.removeAllTooltips();
+    this.activeToolTips.push(tooltip);
+    tooltip.show();
+  }
+
+  /**
+   * API method to allow for removing all tooltips
+   */
+  removeAllTooltips() {
+    if (!this.activeToolTips?.length) {
+      return;
+    }
     for (let i = this.activeToolTips.length - 1; i > -1; i--) {
       this.activeToolTips[i].destroy();
       this.activeToolTips.splice(i, 1);
     }
-    this.activeToolTips.push(tooltip);
-
-    tooltip.show();
   }
 
   /**

src/api/tooltips/components/tooltip-component.scss

@@ -3,6 +3,7 @@
   height: auto;
   width: auto;
   padding: $interiorMargin;
+  overflow-wrap: break-word;
 }
 
 .c-tooltip {

src/plugins/autoflow/AutoflowTabularRowController.js

@@ -68,7 +68,12 @@ define([], function () {
       this.updateRowData.bind(this)
     );
 
-    this.openmct.telemetry.request(this.domainObject, { size: 1 }).then(
+    const options = {
+      size: 1,
+      strategy: 'latest',
+      timeContext: this.openmct.time.getContextForView([])
+    };
+    this.openmct.telemetry.request(this.domainObject, options).then(
       function (history) {
         if (!this.initialized && history.length > 0) {
           this.updateRowData(history[history.length - 1]);

src/plugins/charts/scatter/plugin.js

@@ -98,9 +98,11 @@ export default function () {
   };
 
   function getScatterPlotFormControl(openmct) {
+    let destroyComponent;
+
     return {
       show(element, model, onChange) {
-        const { vNode } = mount(
+        const { vNode, destroy } = mount(
           {
             el: element,
             components: {
@@ -122,8 +124,12 @@ export default function () {
             element
           }
         );
+        destroyComponent = destroy;
 
         return vNode;
+      },
+      destroy() {
+        destroyComponent();
       }
     };
   }

src/plugins/clearData/plugin.js

@@ -30,7 +30,7 @@ export default function plugin(appliesToObjects, options = { indicator: true })
 
   return function install(openmct) {
     if (installIndicator) {
-      const { vNode } = mount(
+      const { vNode, destroy } = mount(
         {
           components: {
             GlobalClearIndicator
@@ -49,7 +49,8 @@ export default function plugin(appliesToObjects, options = { indicator: true })
       let indicator = {
         element: vNode.el,
         key: 'global-clear-indicator',
-        priority: openmct.priority.DEFAULT
+        priority: openmct.priority.DEFAULT,
+        destroy: destroy
       };
 
       openmct.indicators.add(indicator);

src/plugins/condition/criterion/AllTelemetryCriterion.js

@@ -201,9 +201,11 @@ export default class AllTelemetryCriterion extends TelemetryCriterion {
   }
 
   requestLAD(telemetryObjects, requestOptions) {
+    //We pass in the global time context here
     let options = {
       strategy: 'latest',
-      size: 1
+      size: 1,
+      timeContext: this.openmct.time.getContextForView([])
     };
 
     if (requestOptions !== undefined) {

src/plugins/condition/criterion/TelemetryCriterion.js

@@ -189,9 +189,11 @@ export default class TelemetryCriterion extends EventEmitter {
   }
 
   requestLAD(telemetryObjects, requestOptions) {
+    //We pass in the global time context here
     let options = {
       strategy: 'latest',
-      size: 1
+      size: 1,
+      timeContext: this.openmct.time.getContextForView([])
     };
 
     if (requestOptions !== undefined) {

src/plugins/condition/criterion/TelemetryCriterionSpec.js

@@ -83,13 +83,19 @@ describe('The telemetry criterion', function () {
     });
     openmct.telemetry.getMetadata.and.returnValue(testTelemetryObject.telemetry);
 
-    openmct.time = jasmine.createSpyObj('timeAPI', ['timeSystem', 'bounds', 'getAllTimeSystems']);
+    openmct.time = jasmine.createSpyObj('timeAPI', [
+      'timeSystem',
+      'bounds',
+      'getAllTimeSystems',
+      'getContextForView'
+    ]);
     openmct.time.timeSystem.and.returnValue({ key: 'system' });
     openmct.time.bounds.and.returnValue({
       start: 0,
       end: 1
     });
     openmct.time.getAllTimeSystems.and.returnValue([{ key: 'system' }]);
+    openmct.time.getContextForView.and.returnValue({});
 
     testCriterionDefinition = {
       id: 'test-criterion-id',

src/plugins/displayLayout/components/SubobjectView.vue

@@ -20,14 +20,14 @@
  at runtime from the About dialog for additional information.
 -->
 <template>
-  <layout-frame
+  <LayoutFrame
     :item="item"
     :grid-size="gridSize"
     :is-editing="isEditing"
     @move="(gridDelta) => $emit('move', gridDelta)"
     @endMove="() => $emit('endMove')"
   >
-    <object-frame
+    <ObjectFrame
       v-if="domainObject"
       ref="objectFrame"
       :domain-object="domainObject"
@@ -37,7 +37,7 @@
       :layout-font-size="item.fontSize"
       :layout-font="item.font"
     />
-  </layout-frame>
+  </LayoutFrame>
 </template>
 
 <script>

src/plugins/duplicate/DuplicateTask.js

@@ -221,6 +221,8 @@ export default class DuplicateTask {
       // parse reviver to replace identifiers
       clonedParent = JSON.parse(clonedParent, (key, value) => {
         if (
+          value !== null &&
+          value !== undefined &&
           Object.prototype.hasOwnProperty.call(value, 'key') &&
           Object.prototype.hasOwnProperty.call(value, 'namespace') &&
           value.key === oldId.key &&

src/plugins/flexibleLayout/components/flexibleLayout.vue

@@ -37,7 +37,6 @@
       <template v-for="(container, index) in containers" :key="`component-${container.id}`">
         <drop-hint
           v-if="index === 0 && containers.length > 1"
-          :key="`hint-top-${container.id}`"
           class="c-fl-frame__drop-hint"
           :index="-1"
           :allow-drop="allowContainerDrop"
@@ -59,7 +58,6 @@
 
         <resize-handle
           v-if="index !== containers.length - 1"
-          :key="`handle-${container.id}`"
           :index="index"
           :orientation="rowsLayout ? 'vertical' : 'horizontal'"
           :is-editing="isEditing"
@@ -70,7 +68,6 @@
 
         <drop-hint
           v-if="containers.length > 1"
-          :key="`hint-bottom-${container.id}`"
           class="c-fl-frame__drop-hint"
           :index="index"
           :allow-drop="allowContainerDrop"
@@ -137,15 +134,16 @@ export default {
     ResizeHandle,
     DropHint
   },
-  inject: ['openmct', 'objectPath', 'layoutObject'],
+  inject: ['openmct', 'objectPath', 'domainObject'],
   props: {
     isEditing: Boolean
   },
   data() {
     return {
-      domainObject: this.layoutObject,
       newFrameLocation: [],
-      identifierMap: {}
+      identifierMap: {},
+      containers: this.domainObject.configuration.containers,
+      rowsLayout: this.domainObject.configuration.rowsLayout
     };
   },
   computed: {
@@ -156,22 +154,22 @@ export default {
         return 'Columns';
       }
     },
-    containers() {
-      return this.domainObject.configuration.containers;
-    },
-    rowsLayout() {
-      return this.domainObject.configuration.rowsLayout;
-    },
     allContainersAreEmpty() {
       return this.containers.every((container) => container.frames.length === 0);
     }
   },
-  mounted() {
+  created() {
     this.buildIdentifierMap();
     this.composition = this.openmct.composition.get(this.domainObject);
     this.composition.on('remove', this.removeChildObject);
     this.composition.on('add', this.addFrame);
     this.composition.load();
+    this.openmct.objects.observe(this.domainObject, 'configuration.containers', (containers) => {
+      this.containers = containers;
+    });
+    this.openmct.objects.observe(this.domainObject, 'configuration.rowsLayout', (rowsLayout) => {
+      this.rowsLayout = rowsLayout;
+    });
   },
   beforeUnmount() {
     this.composition.off('remove', this.removeChildObject);
@@ -211,20 +209,16 @@ export default {
       let container = this.containers.filter((c) => c.id === containerId)[0];
       let containerIndex = this.containers.indexOf(container);
 
-      /*
+      // remove associated domainObjects from composition
-                remove associated domainObjects from composition
-            */
       container.frames.forEach((f) => {
         this.removeFromComposition(f.domainObjectIdentifier);
       });
 
       this.containers.splice(containerIndex, 1);
 
-      /*
+      // add a container when there are no containers in the FL,
-                add a container when there are no containers in the FL,
+      // to prevent user from not being able to add a frame via
-                to prevent user from not being able to add a frame via
+      // drag and drop.
-                drag and drop.
-            */
       if (this.containers.length === 0) {
         this.containers.push(new Container(100));
       }

src/plugins/flexibleLayout/flexibleLayoutViewProvider.js

@@ -47,17 +47,16 @@ export default class FlexibleLayoutViewProvider {
     let component = null;
 
     return {
-      show: function (element, isEditing) {
+      show(element, isEditing) {
         const { vNode, destroy } = mount(
           {
-            el: element,
             components: {
               FlexibleLayoutComponent
             },
             provide: {
-              openmct: openmct,
+              openmct,
               objectPath,
-              layoutObject: domainObject
+              domainObject
             },
             data() {
               return {
@@ -75,7 +74,7 @@ export default class FlexibleLayoutViewProvider {
         component = vNode.componentInstance;
         _destroy = destroy;
       },
-      getSelectionContext: function () {
+      getSelectionContext() {
         return {
           item: domainObject,
           addContainer: component.$refs.flexibleLayout.addContainer,
@@ -84,10 +83,10 @@ export default class FlexibleLayoutViewProvider {
           type: 'flexible-layout'
         };
       },
-      onEditModeChange: function (isEditing) {
+      onEditModeChange(isEditing) {
         component.isEditing = isEditing;
       },
-      destroy: function (element) {
+      destroy() {
         if (_destroy) {
           _destroy();
           component = null;

src/plugins/flexibleLayout/pluginSpec.js

@@ -33,6 +33,10 @@ describe('the plugin', function () {
   let mockComposition;
 
   const testViewObject = {
+    identifier: {
+      namespace: '',
+      key: 'test-object'
+    },
     id: 'test-object',
     type: 'flexible-layout',
     configuration: {
@@ -116,6 +120,10 @@ describe('the plugin', function () {
 
     beforeEach(() => {
       flexibleLayoutItem = {
+        identifier: {
+          namespace: '',
+          key: 'test-object'
+        },
         id: 'test-object',
         type: 'flexible-layout',
         configuration: {

src/plugins/gauge/GaugePlugin.js

@@ -167,9 +167,11 @@ export default function () {
   };
 
   function getGaugeFormController(openmct) {
+    let destroyComponent;
+
     return {
       show(element, model, onChange) {
-        const { vNode } = mount(
+        const { vNode, destroy } = mount(
           {
             el: element,
             components: {
@@ -191,8 +193,12 @@ export default function () {
             element
           }
         );
+        destroyComponent = destroy;
 
         return vNode.componentInstance;
+      },
+      destroy() {
+        destroyComponent();
       }
     };
   }

src/plugins/gauge/components/Gauge.vue

@@ -638,7 +638,11 @@ export default {
 
       this.valueKey = this.metadata.valuesForHints(['range'])[0].source;
 
-      this.openmct.telemetry.request(domainObject, { strategy: 'latest' }).then((values) => {
+      const options = {
+        strategy: 'latest',
+        timeContext: this.openmct.time.getContextForView([])
+      };
+      this.openmct.telemetry.request(domainObject, options).then((values) => {
         const length = values.length;
         this.updateValue(values[length - 1]);
       });

src/plugins/imagery/components/ImageryTimeView.vue

@@ -98,6 +98,9 @@ export default {
     if (this.unlisten) {
       this.unlisten();
     }
+    if (this.destroyImageryContainer) {
+      this.destroyImageryContainer();
+    }
   },
   methods: {
     setTimeContext() {
@@ -237,7 +240,10 @@ export default {
         imageryContainer = existingContainer;
         imageryContainer.style.maxWidth = `${containerWidth}px`;
       } else {
-        const { vNode } = mount(
+        if (this.destroyImageryContainer) {
+          this.destroyImageryContainer();
+        }
+        const { vNode, destroy } = mount(
           {
             components: {
               SwimLane
@@ -257,6 +263,7 @@ export default {
           }
         );
 
+        this.destroyImageryContainer = destroy;
         const component = vNode.componentInstance;
         this.$refs.imageryHolder.appendChild(component.$el);
 

src/plugins/inspectorViews/properties/DetailText.vue

@@ -21,11 +21,11 @@
 -->
 
 <template>
-  <li class="c-inspect-properties__row">
+  <li class="c-inspect-properties__row" :aria-label="`${detail.name} inspector properties`">
-    <div class="c-inspect-properties__label">
+    <div class="c-inspect-properties__label" aria-label="inspector property name">
       {{ detail.name }}
     </div>
-    <div class="c-inspect-properties__value">
+    <div class="c-inspect-properties__value" aria-label="inspector property value">
       {{ detail.value }}
     </div>
   </li>

src/plugins/inspectorViews/properties/Location.vue

@@ -73,9 +73,43 @@ export default {
     }
   },
   async mounted() {
+    this.nameChangeListeners = {};
     await this.createPathBreadCrumb();
   },
+  unmounted() {
+    Object.values(this.nameChangeListeners).forEach((unlisten) => {
+      unlisten();
+    });
+  },
   methods: {
+    updateObjectPathName(keyString, newName) {
+      this.pathBreadCrumb = this.pathBreadCrumb.map((pathObject) => {
+        if (this.openmct.objects.makeKeyString(pathObject.domainObject.identifier) === keyString) {
+          return {
+            ...pathObject,
+            domainObject: { ...pathObject.domainObject, name: newName }
+          };
+        }
+        return pathObject;
+      });
+    },
+    removeNameListenerFor(domainObject) {
+      const keyString = this.openmct.objects.makeKeyString(domainObject.identifier);
+      if (this.nameChangeListeners[keyString]) {
+        this.nameChangeListeners[keyString]();
+        delete this.nameChangeListeners[keyString];
+      }
+    },
+    addNameListenerFor(domainObject) {
+      const keyString = this.openmct.objects.makeKeyString(domainObject.identifier);
+      if (!this.nameChangeListeners[keyString]) {
+        this.nameChangeListeners[keyString] = this.openmct.objects.observe(
+          domainObject,
+          'name',
+          this.updateObjectPathName.bind(this, keyString)
+        );
+      }
+    },
     async createPathBreadCrumb() {
       if (!this.domainObject && this.parentDomainObject) {
         this.setPathBreadCrumb([this.parentDomainObject]);
@@ -98,7 +132,15 @@ export default {
         };
       });
 
+      this.pathBreadCrumb.forEach((pathObject) => {
+        this.removeNameListenerFor(pathObject.domainObject);
+      });
+
       this.pathBreadCrumb = pathBreadCrumb;
+
+      this.pathBreadCrumb.forEach((pathObject) => {
+        this.addNameListenerFor(pathObject.domainObject);
+      });
     }
   }
 };

src/plugins/inspectorViews/properties/Properties.vue

@@ -230,7 +230,22 @@ export default {
       return `detail-${component}`;
     },
     updateSelection(selection) {
+      this.removeListener();
       this.selection.splice(0, this.selection.length, ...selection);
+      if (this.domainObject) {
+        this.addListener();
+      }
+    },
+    removeListener() {
+      if (this.nameListener) {
+        this.nameListener();
+        this.nameListener = null;
+      }
+    },
+    addListener() {
+      this.nameListener = this.openmct.objects.observe(this.context?.item, 'name', (newValue) => {
+        this.context.item = { ...this.context?.item, name: newValue };
+      });
     }
   }
 };

src/plugins/notebook/components/NotebookSnapshotIndicator.vue

@@ -90,7 +90,10 @@ export default {
       drawerElement.innerHTML = '<div></div>';
       const divElement = document.querySelector('.l-shell__drawer div');
 
-      mount(
+      if (this.destroySnapshotContainer) {
+        this.destroySnapshotContainer();
+      }
+      const { destroy } = mount(
         {
           el: divElement,
           components: {
@@ -113,6 +116,7 @@ export default {
           element: divElement
         }
       );
+      this.destroySnapshotContainer = destroy;
     },
     updateSnapshotIndicatorTitle() {
       const snapshotCount = this.snapshotContainer.getSnapshots().length;

src/plugins/notebook/plugin.js

@@ -83,7 +83,7 @@ function installBaseNotebookFunctionality(openmct) {
   openmct.actions.register(new CopyToNotebookAction(openmct));
   openmct.actions.register(new ExportNotebookAsTextAction(openmct));
 
-  const { vNode } = mount(
+  const { vNode, destroy } = mount(
     {
       components: {
         NotebookSnapshotIndicator
@@ -102,7 +102,8 @@ function installBaseNotebookFunctionality(openmct) {
   const indicator = {
     element: vNode.el,
     key: 'notebook-snapshot-indicator',
-    priority: openmct.priority.DEFAULT
+    priority: openmct.priority.DEFAULT,
+    destroy: destroy
   };
 
   openmct.indicators.add(indicator);

src/plugins/notificationIndicator/plugin.js

@@ -24,7 +24,7 @@ import NotificationIndicator from './components/NotificationIndicator.vue';
 
 export default function plugin() {
   return function install(openmct) {
-    const { vNode } = mount(
+    const { vNode, destroy } = mount(
       {
         components: {
           NotificationIndicator
@@ -42,7 +42,8 @@ export default function plugin() {
     let indicator = {
       key: 'notifications-indicator',
       element: vNode.el,
-      priority: openmct.priority.DEFAULT
+      priority: openmct.priority.DEFAULT,
+      destroy: destroy
     };
     openmct.indicators.add(indicator);
   };

src/plugins/plot/MctPlot.vue

@@ -248,6 +248,7 @@ export default {
       highlights: [],
       annotatedPoints: [],
       annotationSelections: [],
+      annotationsEverLoaded: false,
       lockHighlightPoint: false,
       yKeyOptions: [],
       yAxisLabel: '',
@@ -396,7 +397,11 @@ export default {
     );
 
     this.openmct.objectViews.on('clearData', this.clearData);
-    this.$on('loadingComplete', this.loadAnnotations);
+    this.$on('loadingComplete', () => {
+      if (this.annotationViewingAndEditingAllowed) {
+        this.loadAnnotations();
+      }
+    });
     this.openmct.selection.on('change', this.updateSelection);
     this.yAxisListWithRange = [this.config.yAxis, ...this.config.additionalYAxes];
 
@@ -640,6 +645,7 @@ export default {
       if (rawAnnotationsForPlot) {
         this.annotatedPoints = this.findAnnotationPoints(rawAnnotationsForPlot);
       }
+      this.annotationsEverLoaded = true;
     },
     loadSeriesData(series) {
       //this check ensures that duplicate requests don't happen on load
@@ -793,6 +799,7 @@ export default {
       };
       this.config.xAxis.set('range', newRange);
       if (!isTick) {
+        this.annotatedPoints = [];
         this.clearPanZoomHistory();
         this.synchronizeIfBoundsMatch();
         this.loadMoreData(newRange, true);
@@ -1789,6 +1796,9 @@ export default {
       });
       this.config.xAxis.set('frozen', true);
       this.setStatus();
+      if (!this.annotationsEverLoaded) {
+        this.loadAnnotations();
+      }
     },
 
     resumeRealtimeData() {

src/plugins/plot/chart/MctChart.vue

@@ -826,40 +826,17 @@ export default {
         );
       }
     },
-    annotatedPointWithinRange(annotatedPoint, xRange, yRange) {
-      if (!yRange) {
-        return false;
-      }
-
-      const xValue = annotatedPoint.series.getXVal(annotatedPoint.point);
-      const yValue = annotatedPoint.series.getYVal(annotatedPoint.point);
-
-      return (
-        xValue > xRange.min && xValue < xRange.max && yValue > yRange.min && yValue < yRange.max
-      );
-    },
     drawAnnotatedPoints(yAxisId) {
       // we should do this by series, and then plot all the points at once instead
       // of doing it one by one
       if (this.annotatedPoints && this.annotatedPoints.length) {
         const uniquePointsToDraw = [];
-        const xRange = this.config.xAxis.get('displayRange');
-        let yRange;
-        if (yAxisId === this.config.yAxis.get('id')) {
-          yRange = this.config.yAxis.get('displayRange');
-        } else if (this.config.additionalYAxes.length) {
-          const yAxisForId = this.config.additionalYAxes.find(
-            (yAxis) => yAxis.get('id') === yAxisId
-          );
-          yRange = yAxisForId.get('displayRange');
-        }
 
         const annotatedPoints = this.annotatedPoints.filter(
           this.matchByYAxisId.bind(this, yAxisId)
         );
         annotatedPoints.forEach((annotatedPoint) => {
-          // if the annotation is outside the range, don't draw it
+          // annotation points are all within range (checked in MctPlot with FlatBush), so we don't need to check
-          if (this.annotatedPointWithinRange(annotatedPoint, xRange, yRange)) {
           const canvasXValue = this.offset[yAxisId].xVal(
             annotatedPoint.point,
             annotatedPoint.series
@@ -876,7 +853,6 @@ export default {
             uniquePointsToDraw.push(pointToDraw);
             this.drawAnnotatedPoint(annotatedPoint, pointToDraw);
           }
-          }
         });
       }
     },

src/plugins/plot/stackedPlot/StackedPlotItem.vue

@@ -197,7 +197,7 @@ export default {
         this.composition.load();
       }
 
-      const { vNode } = mount(
+      const { vNode, destroy } = mount(
         {
           components: {
             Plot
@@ -249,6 +249,7 @@ export default {
         }
       );
       this.component = vNode.componentInstance;
+      this._destroy = destroy;
 
       if (this.isEditing) {
         this.setSelection();

src/plugins/remoteClock/RemoteClock.js

@@ -62,6 +62,13 @@ export default class RemoteClock extends DefaultClock {
     this.openmct.objects
       .get(this.identifier)
       .then((domainObject) => {
+        // The start method is called when at least one listener registers with the clock.
+        // When the clock is changed, listeners are unregistered from the clock and the stop method is called.
+        // Sometimes, the objects.get call above does not resolve before the stop method is called.
+        // So when we proceed with the clock subscription below, we first need to ensure that there is at least one listener for our clock.
+        if (this.eventNames().length === 0) {
+          return;
+        }
         this.openmct.time.on('timeSystem', this._timeSystemChange);
         this.timeTelemetryObject = domainObject;
         this.metadata = this.openmct.telemetry.getMetadata(domainObject);

src/plugins/timeConductor/ConductorAxis.vue

@@ -92,7 +92,7 @@ export default {
     this.openmct.time.on(TIME_CONTEXT_EVENTS.timeSystemChanged, this.setViewFromTimeSystem);
     this.resizeTimer = setInterval(this.resize, RESIZE_POLL_INTERVAL);
   },
-  beforeDestroy() {
+  beforeUnmount() {
     clearInterval(this.resizeTimer);
   },
   methods: {

src/plugins/timeConductor/ConductorClock.vue

@@ -58,7 +58,7 @@ export default {
       }
     }
   },
-  data: function () {
+  data() {
     const activeClock = this.getActiveClock();
 
     return {
@@ -66,11 +66,11 @@ export default {
       clocks: []
     };
   },
-  mounted: function () {
+  mounted() {
     this.loadClocks(this.configuration.menuOptions);
     this.openmct.time.on(TIME_CONTEXT_EVENTS.clockChanged, this.setViewFromClock);
   },
-  destroyed: function () {
+  unmounted() {
     this.openmct.time.off(TIME_CONTEXT_EVENTS.clockChanged, this.setViewFromClock);
   },
   methods: {

src/plugins/timeConductor/ConductorHistory.vue

@@ -102,7 +102,7 @@ export default {
     this.openmct.time.on(TIME_CONTEXT_EVENTS.timeSystemChanged, this.updateTimeSystem);
     this.openmct.time.on(TIME_CONTEXT_EVENTS.modeChanged, this.updateMode);
   },
-  beforeDestroy() {
+  beforeUnmount() {
     this.openmct.time.off(TIME_CONTEXT_EVENTS.boundsChanged, this.addTimespan);
     this.openmct.time.off(TIME_CONTEXT_EVENTS.clockOffsetsChanged, this.addTimespan);
     this.openmct.time.off(TIME_CONTEXT_EVENTS.timeSystemChanged, this.updateTimeSystem);

src/plugins/timeConductor/ConductorPopUp.vue

@@ -184,7 +184,7 @@ export default {
     this.$emit('popupLoaded');
     this.setTimeContext();
   },
-  beforeDestroy() {
+  beforeUnmount() {
     this.stopFollowingTimeContext();
   },
   methods: {

src/plugins/timeConductor/independent/IndependentClock.vue

@@ -75,7 +75,7 @@ export default {
       }
     }
   },
-  beforeDestroy() {
+  beforeUnmount() {
     this.openmct.time.off(TIME_CONTEXT_EVENTS.clockChanged, this.setViewFromClock);
   },
   mounted: function () {

src/plugins/timeConductor/independent/IndependentTimeConductor.vue

@@ -194,7 +194,7 @@ export default {
       deep: true
     }
   },
-  mounted() {
+  created() {
     this.initialize();
   },
   beforeUnmount() {

src/plugins/timeConductor/independent/independentTimeConductorPopUpManager.js

@@ -36,7 +36,7 @@ export default {
     this.timeConductorOptionsHolder = this.$el;
     this.timeConductorOptionsHolder.addEventListener('click', this.showPopup);
   },
-  beforeDestroy() {
+  beforeUnmount() {
     this.clearPopup();
   },
   methods: {

src/plugins/timeConductor/timePopupFixed.vue

@@ -157,7 +157,7 @@ export default {
     this.handleNewBounds = _.throttle(this.handleNewBounds, 300);
     this.setTimeSystem(JSON.parse(JSON.stringify(this.openmct.time.getTimeSystem())));
   },
-  beforeDestroy() {
+  beforeUnmount() {
     this.clearAllValidation();
   },
   methods: {

src/plugins/timeConductor/timePopupRealtime.vue

@@ -173,7 +173,7 @@ export default {
     this.setOffsets();
     document.addEventListener('click', this.hide);
   },
-  beforeDestroy() {
+  beforeUnmount() {
     document.removeEventListener('click', this.hide);
   },
   methods: {

src/plugins/timer/components/Timer.vue

@@ -43,9 +43,11 @@
 
 <script>
 import raf from 'utils/raf';
+import throttle from '../../../utils/throttle';
 
 const moment = require('moment-timezone');
 const momentDurationFormatSetup = require('moment-duration-format');
+const refreshRateSeconds = 2;
 
 momentDurationFormatSetup(moment);
 
@@ -68,38 +70,21 @@ export default {
     };
   },
   computed: {
-    relativeTimestamp() {
-      let relativeTimestamp;
-      if (this.configuration && this.configuration.timestamp) {
-        relativeTimestamp = moment(this.configuration.timestamp).toDate();
-      } else if (this.configuration && this.configuration.timestamp === undefined) {
-        relativeTimestamp = undefined;
-      }
-
-      return relativeTimestamp;
-    },
     timeDelta() {
-      return this.lastTimestamp - this.relativeTimestamp;
+      if (this.configuration.pausedTime) {
+        return Date.parse(this.configuration.pausedTime) - this.startTimeMs;
+      } else {
+        return this.lastTimestamp - this.startTimeMs;
+      }
+    },
+    startTimeMs() {
+      return Date.parse(this.configuration.timestamp);
     },
     timeTextValue() {
-      if (isNaN(this.timeDelta)) {
-        return null;
-      }
-
       const toWholeSeconds = Math.abs(Math.floor(this.timeDelta / 1000) * 1000);
 
       return moment.duration(toWholeSeconds, 'ms').format(this.format, { trim: false });
     },
-    pausedTime() {
-      let pausedTime;
-      if (this.configuration && this.configuration.pausedTime) {
-        pausedTime = moment(this.configuration.pausedTime).toDate();
-      } else if (this.configuration && this.configuration.pausedTime === undefined) {
-        pausedTime = undefined;
-      }
-
-      return pausedTime;
-    },
     timerState() {
       let timerState = 'started';
       if (this.configuration && this.configuration.timerState) {
@@ -179,13 +164,9 @@ export default {
     }
   },
   mounted() {
-    this.unobserve = this.openmct.objects.observe(
+    this.unobserve = this.openmct.objects.observe(this.domainObject, '*', (domainObject) => {
-      this.domainObject,
+      this.configuration = domainObject.configuration;
-      'configuration',
+    });
-      (configuration) => {
-        this.configuration = configuration;
-      }
-    );
     this.$nextTick(() => {
       if (!this.configuration?.timerState) {
         const timerAction = !this.relativeTimestamp ? 'stop' : 'start';
@@ -193,6 +174,7 @@ export default {
       }
 
       this.handleTick = raf(this.handleTick);
+      this.refreshTimerObject = throttle(this.refreshTimerObject, refreshRateSeconds * 1000);
       this.openmct.time.on('tick', this.handleTick);
 
       this.viewActionsCollection = this.openmct.actions.getActionsCollection(
@@ -210,15 +192,11 @@ export default {
   },
   methods: {
     handleTick() {
-      const isTimerRunning = !['paused', 'stopped'].includes(this.timerState);
-
-      if (isTimerRunning) {
       this.lastTimestamp = new Date(this.openmct.time.now());
-      }
+      this.refreshTimerObject();
-
+    },
-      if (this.timerState === 'paused' && !this.lastTimestamp) {
+    refreshTimerObject() {
-        this.lastTimestamp = this.pausedTime;
+      this.openmct.objects.refresh(this.domainObject);
-      }
     },
     restartTimer() {
       this.triggerAction('timer.restart');

src/plugins/userIndicator/plugin.js

@@ -25,7 +25,7 @@ import UserIndicator from './components/UserIndicator.vue';
 
 export default function UserIndicatorPlugin() {
   function addIndicator(openmct) {
-    const { vNode } = mount(
+    const { vNode, destroy } = mount(
       {
         components: {
           UserIndicator
@@ -43,7 +43,8 @@ export default function UserIndicatorPlugin() {
     openmct.indicators.add({
       key: 'user-indicator',
       element: vNode.el,
-      priority: openmct.priority.HIGH
+      priority: openmct.priority.HIGH,
+      destroy: destroy
     });
   }
 

src/ui/components/ObjectPath.vue

@@ -78,6 +78,7 @@ export default {
     };
   },
   async mounted() {
+    this.nameChangeListeners = {};
     const keyString = this.openmct.objects.makeKeyString(this.domainObject.identifier);
 
     if (keyString && this.keyString !== keyString) {
@@ -108,8 +109,16 @@ export default {
         // remove ROOT and object itself from path
         this.orderedPath = pathWithDomainObject.slice(1, pathWithDomainObject.length - 1).reverse();
       }
+      this.orderedPath.forEach((pathObject) => {
+        this.addNameListenerFor(pathObject.domainObject);
+      });
     }
   },
+  unmounted() {
+    Object.values(this.nameChangeListeners).forEach((unlisten) => {
+      unlisten();
+    });
+  },
   methods: {
     /**
      * Generate the hash url for the given object path, removing the '/ROOT' prefix if present.
@@ -120,6 +129,34 @@ export default {
       const path = `/browse/${this.openmct.objects.getRelativePath(objectPath)}`;
 
       return path.replace('ROOT/', '');
+    },
+    updateObjectPathName(keyString, newName) {
+      this.orderedPath = this.orderedPath.map((pathObject) => {
+        if (this.openmct.objects.makeKeyString(pathObject.domainObject.identifier) === keyString) {
+          return {
+            ...pathObject,
+            domainObject: { ...pathObject.domainObject, name: newName }
+          };
+        }
+        return pathObject;
+      });
+    },
+    removeNameListenerFor(domainObject) {
+      const keyString = this.openmct.objects.makeKeyString(domainObject.identifier);
+      if (this.nameChangeListeners[keyString]) {
+        this.nameChangeListeners[keyString]();
+        delete this.nameChangeListeners[keyString];
+      }
+    },
+    addNameListenerFor(domainObject) {
+      const keyString = this.openmct.objects.makeKeyString(domainObject.identifier);
+      if (!this.nameChangeListeners[keyString]) {
+        this.nameChangeListeners[keyString] = this.openmct.objects.observe(
+          domainObject,
+          'name',
+          this.updateObjectPathName.bind(this, keyString)
+        );
+      }
     }
   }
 };

src/ui/inspector/ObjectName.vue

@@ -104,12 +104,19 @@ export default {
     if (this.statusUnsubscribe) {
       this.statusUnsubscribe();
     }
+    if (this.nameUnsubscribe) {
+      this.nameUnsubscribe();
+    }
   },
   methods: {
     updateSelection(selection) {
       if (this.statusUnsubscribe) {
         this.statusUnsubscribe();
-        this.statusUnsubscribe = undefined;
+        this.statusUnsubscribe = null;
+      }
+      if (this.nameUnsubscribe) {
+        this.nameUnsubscribe();
+        this.nameUnsubscribe = null;
       }
 
       if (selection.length === 0 || selection[0].length === 0) {
@@ -132,6 +139,11 @@ export default {
           this.keyString = this.openmct.objects.makeKeyString(this.domainObject.identifier);
           this.status = this.openmct.status.get(this.keyString);
           this.statusUnsubscribe = this.openmct.status.observe(this.keyString, this.updateStatus);
+          this.nameUnsubscribe = this.openmct.objects.observe(
+            this.domainObject,
+            'name',
+            this.updateName
+          );
         } else if (selection[0][0].context.layoutItem) {
           this.layoutItem = selection[0][0].context.layoutItem;
         }
@@ -144,6 +156,9 @@ export default {
     },
     updateStatus(status) {
       this.status = status;
+    },
+    updateName(newName) {
+      this.domainObject = { ...this.domainObject, name: newName };
     }
   }
 };

src/ui/layout/RecentObjectsList.vue

@@ -59,13 +59,47 @@ export default {
   },
   mounted() {
     this.compositionCollections = {};
+    this.nameChangeListeners = {};
     this.openmct.router.on('change:path', this.onPathChange);
     this.getSavedRecentItems();
   },
   unmounted() {
     this.openmct.router.off('change:path', this.onPathChange);
+    Object.values(this.nameChangeListeners).forEach((unlisten) => {
+      unlisten();
+    });
   },
   methods: {
+    addNameListenerFor(domainObject) {
+      const keyString = this.openmct.objects.makeKeyString(domainObject.identifier);
+      if (!this.nameChangeListeners[keyString]) {
+        this.nameChangeListeners[keyString] = this.openmct.objects.observe(
+          domainObject,
+          'name',
+          this.updateRecentObjectName.bind(this, keyString)
+        );
+      }
+    },
+    updateRecentObjectName(keyString, newName) {
+      this.recents = this.recents.map((recentObject) => {
+        if (
+          this.openmct.objects.makeKeyString(recentObject.domainObject.identifier) === keyString
+        ) {
+          return {
+            ...recentObject,
+            domainObject: { ...recentObject.domainObject, name: newName }
+          };
+        }
+        return recentObject;
+      });
+    },
+    removeNameListenerFor(domainObject) {
+      const keyString = this.openmct.objects.makeKeyString(domainObject.identifier);
+      if (this.nameChangeListeners[keyString]) {
+        this.nameChangeListeners[keyString]();
+        delete this.nameChangeListeners[keyString];
+      }
+    },
     /**
      * Add a composition collection to the map and register its remove handler
      * @param {string} navigationPath
@@ -112,6 +146,7 @@ export default {
       // Get composition collections and add composition listeners for composable objects
       savedRecents.forEach((recentObject) => {
         const { domainObject, navigationPath } = recentObject;
+        this.addNameListenerFor(domainObject);
         if (this.shouldTrackCompositionFor(domainObject)) {
           this.compositionCollections[navigationPath] = {};
           this.compositionCollections[navigationPath].collection =
@@ -161,6 +196,8 @@ export default {
         return;
       }
 
+      this.addNameListenerFor(domainObject);
+
       // Move the object to the top if its already existing in the recents list
       const existingIndex = this.recents.findIndex((recentObject) => {
         return navigationPath === recentObject.navigationPath;
@@ -179,6 +216,7 @@ export default {
       while (this.recents.length > MAX_RECENT_ITEMS) {
         const poppedRecentItem = this.recents.pop();
         this.removeCompositionListenerFor(poppedRecentItem.navigationPath);
+        this.removeNameListenerFor(poppedRecentItem.domainObject);
       }
 
       this.setSavedRecentItems();
@@ -236,6 +274,9 @@ export default {
             label: 'OK',
             callback: () => {
               localStorage.removeItem(LOCAL_STORAGE_KEY__RECENT_OBJECTS);
+              Object.values(this.nameChangeListeners).forEach((unlisten) => {
+                unlisten();
+              });
               this.recents = [];
               dialog.dismiss();
               this.$emit('setClearButtonDisabled', true);

src/ui/layout/mct-tree.vue

@@ -83,7 +83,7 @@
         <div :style="childrenHeightStyles">
           <tree-item
             v-for="(treeItem, index) in visibleItems"
-            :key="`${treeItem.navigationPath}-${index}`"
+            :key="`${treeItem.navigationPath}-${index}-${treeItem.object.name}`"
             :node="treeItem"
             :is-selector-tree="isSelectorTree"
             :selected-item="selectedItem"

src/ui/router/Browse.js

@@ -37,9 +37,13 @@ define([], function () {
       openmct.layout.$refs.browseBar.viewKey = viewProvider.key;
     }
 
-    function updateDocumentTitleOnNameMutation(domainObject) {
+    function updateDocumentTitleOnNameMutation(newName) {
-      if (typeof domainObject.name === 'string' && domainObject.name !== document.title) {
+      if (typeof newName === 'string' && newName !== document.title) {
-        document.title = domainObject.name;
+        document.title = newName;
+        openmct.layout.$refs.browseBar.domainObject = {
+          ...openmct.layout.$refs.browseBar.domainObject,
+          name: newName
+        };
       }
     }
 
@@ -80,7 +84,11 @@ define([], function () {
         let currentProvider = openmct.objectViews.getByProviderKey(currentViewKey);
         document.title = browseObject.name; //change document title to current object in main view
         // assign listener to global for later clearing
-        unobserve = openmct.objects.observe(browseObject, '*', updateDocumentTitleOnNameMutation);
+        unobserve = openmct.objects.observe(
+          browseObject,
+          'name',
+          updateDocumentTitleOnNameMutation
+        );
 
         if (currentProvider && currentProvider.canView(browseObject, openmct.router.path)) {
           viewObject(browseObject, currentProvider);

src/utils/throttle.js

@@ -0,0 +1,34 @@
+/**
+ * Creates a throttled function that only invokes the provided function at most once every
+ * specified number of milliseconds. Subsequent calls within the waiting period will be ignored.
+ * @param {Function} func The function to throttle.
+ * @param {number} wait The number of milliseconds to wait between successive calls to the function.
+ * @return {Function} Returns the new throttled function.
+ */
+export default function throttle(func, wait) {
+  let timeout;
+  let result;
+  let previous = 0;
+
+  return function (...args) {
+    const now = new Date().getTime();
+    const remaining = wait - (now - previous);
+
+    if (remaining <= 0 || remaining > wait) {
+      if (timeout) {
+        clearTimeout(timeout);
+        timeout = null;
+      }
+
+      previous = now;
+      result = func(...args);
+    } else if (!timeout) {
+      timeout = setTimeout(() => {
+        previous = new Date().getTime();
+        timeout = null;
+        result = func(...args);
+      }, remaining);
+    }
+    return result;
+  };
+}