diff --git a/openmetadata-ui/src/main/resources/ui/playwright/e2e/Features/ActivityFeed.spec.ts b/openmetadata-ui/src/main/resources/ui/playwright/e2e/Features/ActivityFeed.spec.ts
index 8b94c0766dd..88d7bc10251 100644
--- a/openmetadata-ui/src/main/resources/ui/playwright/e2e/Features/ActivityFeed.spec.ts
+++ b/openmetadata-ui/src/main/resources/ui/playwright/e2e/Features/ActivityFeed.spec.ts
@@ -21,13 +21,18 @@ import { TableClass } from '../../support/entity/TableClass';
 import { TeamClass } from '../../support/team/TeamClass';
 import { UserClass } from '../../support/user/UserClass';
 import {
+  addMentionCommentInFeed,
   checkDescriptionInEditModal,
   deleteFeedComments,
+  FIRST_FEED_SELECTOR,
+  REACTION_EMOJIS,
+  reactOnFeed,
 } from '../../utils/activityFeed';
 import { performAdminLogin } from '../../utils/admin';
 import {
   descriptionBox,
   redirectToHomePage,
+  removeLandingBanner,
   toastNotification,
   uuid,
   visitOwnProfilePage,
@@ -90,6 +95,51 @@ test.describe('Activity feed', () => {
     await afterAction();
   });
 
+  test('Feed widget should be visible', async ({ page }) => {
+    await removeLandingBanner(page);
+    // Locate the feed widget
+    const feedWidget = page.locator('[data-testid="activity-feed-widget"]');
+
+    // Check if the feed widget is visible
+    await expect(feedWidget).toBeVisible();
+
+    // Check if the feed widget contains specific text
+    await expect(feedWidget).toContainText('All');
+    await expect(feedWidget).toContainText('@Mentions');
+    await expect(feedWidget).toContainText('Tasks');
+  });
+
+  test('Emoji reaction on feed should be working fine', async ({ page }) => {
+    await removeLandingBanner(page);
+
+    await test.step('Add Emoji reaction', async () => {
+      // Assign reaction for latest feed
+      await reactOnFeed(page);
+
+      // Verify if reaction is working or not
+      for (const emoji of REACTION_EMOJIS) {
+        await expect(
+          page.locator(
+            '[data-testid="activity-feed-widget"] [data-testid="message-container"]:first-child [data-testid="feed-reaction-container"]'
+          )
+        ).toContainText(emoji);
+      }
+    });
+
+    await test.step('Remove Emoji reaction from feed', async () => {
+      // Remove reaction for latest feed
+      await reactOnFeed(page);
+
+      // Verify if reaction is removed or not
+      const feedReactionContainer = page
+        .locator('[data-testid="message-container"]')
+        .nth(1)
+        .locator('[data-testid="feed-reaction-container"]');
+
+      await expect(feedReactionContainer).toHaveCount(1);
+    });
+  });
+
   test('Assigned task should appear to task tab', async ({ page }) => {
     const value: TaskDetails = {
       term: entity.entity.name,
@@ -483,6 +533,54 @@ test.describe('Activity feed', () => {
     // create description task
     await createDescriptionTask(page, value);
   });
+
+  test('Mention should work for the feed reply', async ({ page }) => {
+    await addMentionCommentInFeed(page, adminUser.responseData.name);
+
+    // Close drawer
+    await page.locator('[data-testid="closeDrawer"]').click();
+
+    // Get the feed text
+    const feedText = await page
+      .locator(`${FIRST_FEED_SELECTOR} [data-testid="headerText"]`)
+      .innerText();
+
+    // Click on @Mentions tab
+    const fetchMentionsFeedResponse = page.waitForResponse(
+      '/api/v1/feed?filterType=MENTIONS&userId=*'
+    );
+    await page
+      .locator('[data-testid="activity-feed-widget"]')
+      .locator('text=@Mentions')
+      .click();
+
+    await fetchMentionsFeedResponse;
+
+    const mentionedText = await page
+      .locator(`${FIRST_FEED_SELECTOR} [data-testid="headerText"]`)
+      .innerText();
+
+    expect(mentionedText).toContain(feedText);
+  });
+
+  test('Mention should work for the feed reply in case of users having dot in their name', async ({
+    page,
+  }) => {
+    await addMentionCommentInFeed(page, 'aaron.warren5');
+
+    await expect(
+      page.locator(
+        `#feed-panel [data-testid="message-container"] [data-testid="feed-replies"] [data-testid="viewer-container"] [data-testid="markdown-parser"]`
+      )
+    ).toContainText('Can you resolve this thread for me? @aaron.warren5');
+
+    // Close drawer
+    await page.locator('[data-testid="closeDrawer"]').click();
+
+    expect(
+      page.locator(`${FIRST_FEED_SELECTOR} [data-testid="reply-count"]`)
+    ).toContainText('01 Reply');
+  });
 });
 
 base.describe('Activity feed with Data Consumer User', () => {
diff --git a/openmetadata-ui/src/main/resources/ui/playwright/utils/activityFeed.ts b/openmetadata-ui/src/main/resources/ui/playwright/utils/activityFeed.ts
index 1ac04e2f39c..59d4372e7b2 100644
--- a/openmetadata-ui/src/main/resources/ui/playwright/utils/activityFeed.ts
+++ b/openmetadata-ui/src/main/resources/ui/playwright/utils/activityFeed.ts
@@ -11,9 +11,24 @@
  *  limitations under the License.
  */
 import { expect, Locator, Page } from '@playwright/test';
-import { descriptionBox } from './common';
+import { descriptionBox, removeLandingBanner } from './common';
 import { TaskDetails } from './task';
 
+export const REACTION_EMOJIS = ['🚀', '😕', '👀', '❤️', '🎉', '😄', '👎', '👍'];
+
+export const FEED_REACTIONS = [
+  'thumbsUp',
+  'thumbsDown',
+  'laugh',
+  'hooray',
+  'confused',
+  'heart',
+  'eyes',
+  'rocket',
+];
+export const FIRST_FEED_SELECTOR =
+  '[data-testid="activity-feed-widget"] [data-testid="message-container"]:first-child';
+
 export const checkDescriptionInEditModal = async (
   page: Page,
   taskValue: TaskDetails
@@ -59,3 +74,67 @@ export const deleteFeedComments = async (page: Page, feed: Locator) => {
 
   await deleteResponse;
 };
+
+export const reactOnFeed = async (page: Page) => {
+  for (const reaction of FEED_REACTIONS) {
+    await page
+      .locator(
+        '[data-testid="activity-feed-widget"] [data-testid="message-container"]:first-child'
+      )
+      .locator('[data-testid="feed-reaction-container"]')
+      .locator('[data-testid="add-reactions"]')
+      .click();
+
+    await page
+      .locator('.ant-popover-feed-reactions .ant-popover-inner-content')
+      .waitFor({ state: 'visible' });
+    await page
+      .locator(`[data-testid="reaction-button"][title="${reaction}"]`)
+      .click();
+  }
+};
+
+export const addMentionCommentInFeed = async (page: Page, user: string) => {
+  await removeLandingBanner(page);
+
+  // Click on add reply
+  const feedResponse = page.waitForResponse('/api/v1/feed/*');
+  await page
+    .locator(FIRST_FEED_SELECTOR)
+    .locator('[data-testid="thread-count"]')
+    .click();
+
+  await feedResponse;
+
+  await page.waitForSelector('.ant-drawer-content', {
+    state: 'visible',
+  });
+
+  // Type reply with mention
+  await page
+    .locator(
+      '[data-testid="editor-wrapper"] [contenteditable="true"].ql-editor'
+    )
+    .click();
+
+  const userSuggestionsResponse = page.waitForResponse(
+    `/api/v1/search/query?q=*${user}***`
+  );
+
+  await page
+    .locator(
+      '[data-testid="editor-wrapper"] [contenteditable="true"].ql-editor'
+    )
+    .type(`Can you resolve this thread for me? @${user}`);
+  await userSuggestionsResponse;
+
+  await page.locator(`[data-value="@${user}"]`).click();
+
+  // Send reply
+  await expect(page.locator('[data-testid="send-button"]')).toBeVisible();
+  await expect(page.locator('[data-testid="send-button"]')).not.toBeDisabled();
+
+  const postReplyResponse = page.waitForResponse('/api/v1/feed/*/posts');
+  await page.locator('[data-testid="send-button"]').click();
+  await postReplyResponse;
+};