diff --git a/ProxyAgent-NodeJS/appPackage/manifest.json b/ProxyAgent-NodeJS/appPackage/manifest.json
index f71246b0..68b96085 100644
--- a/ProxyAgent-NodeJS/appPackage/manifest.json
+++ b/ProxyAgent-NodeJS/appPackage/manifest.json
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.28/MicrosoftTeams.schema.json",
-  "manifestVersion": "1.28",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.29/MicrosoftTeams.schema.json",
+  "manifestVersion": "1.29",
   "version": "1.0.0",
   "id": "${{TEAMS_APP_ID}}",
   "developer": {
diff --git a/ProxyAgent-Python/appPackage/manifest.json b/ProxyAgent-Python/appPackage/manifest.json
index c53b64a2..aa484cd9 100644
--- a/ProxyAgent-Python/appPackage/manifest.json
+++ b/ProxyAgent-Python/appPackage/manifest.json
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.28/MicrosoftTeams.schema.json",
-  "manifestVersion": "1.28",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.29/MicrosoftTeams.schema.json",
+  "manifestVersion": "1.29",
   "version": "1.0.0",
   "id": "${{TEAMS_APP_ID}}",
   "developer": {
diff --git a/adaptive-card-notification/appPackage/manifest.json b/adaptive-card-notification/appPackage/manifest.json
index c133f5d4..103f8c4e 100644
--- a/adaptive-card-notification/appPackage/manifest.json
+++ b/adaptive-card-notification/appPackage/manifest.json
@@ -1,6 +1,6 @@
 {
-    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.28/MicrosoftTeams.schema.json",
-    "manifestVersion": "1.28",
+    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.29/MicrosoftTeams.schema.json",
+    "manifestVersion": "1.29",
     "version": "1.0.0",
     "id": "${{TEAMS_APP_ID}}",
     "developer": {
diff --git a/bot-sso/appPackage/manifest.json b/bot-sso/appPackage/manifest.json
index 4c86bf9c..0b4ed67e 100644
--- a/bot-sso/appPackage/manifest.json
+++ b/bot-sso/appPackage/manifest.json
@@ -1,6 +1,6 @@
 {
-    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.28/MicrosoftTeams.schema.json",
-    "manifestVersion": "1.28",
+    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.29/MicrosoftTeams.schema.json",
+    "manifestVersion": "1.29",
     "version": "1.0.0",
     "id": "${{TEAMS_APP_ID}}",
     "developer": {
diff --git a/coffee-agent/appPackage/manifest.json b/coffee-agent/appPackage/manifest.json
index 19b0eeb9..98fd73c0 100644
--- a/coffee-agent/appPackage/manifest.json
+++ b/coffee-agent/appPackage/manifest.json
@@ -1,7 +1,7 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.28/MicrosoftTeams.schema.json",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.29/MicrosoftTeams.schema.json",
   "version": "1.0.0",
-  "manifestVersion": "1.28",
+  "manifestVersion": "1.29",
   "id": "${{TEAMS_APP_ID}}",
   "name": {
     "short": "CoffeeAgent${{APP_NAME_SUFFIX}}",
diff --git a/copilot-connector-app/appPackage/manifest.json b/copilot-connector-app/appPackage/manifest.json
index ad768365..328a8d8b 100644
--- a/copilot-connector-app/appPackage/manifest.json
+++ b/copilot-connector-app/appPackage/manifest.json
@@ -1,6 +1,6 @@
 {
-    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.28/MicrosoftTeams.schema.json",
-    "manifestVersion": "1.28",
+    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.29/MicrosoftTeams.schema.json",
+    "manifestVersion": "1.29",
     "version": "1.0.0",
     "id": "${{TEAMS_APP_ID}}",
     "developer": {
diff --git a/data-analyst-agent-v2/appPackage/manifest.json b/data-analyst-agent-v2/appPackage/manifest.json
index b2a106b7..2bbbb92c 100644
--- a/data-analyst-agent-v2/appPackage/manifest.json
+++ b/data-analyst-agent-v2/appPackage/manifest.json
@@ -1,7 +1,7 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.28/MicrosoftTeams.schema.json",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.29/MicrosoftTeams.schema.json",
   "version": "1.0.0",
-  "manifestVersion": "1.28",
+  "manifestVersion": "1.29",
   "id": "${{TEAMS_APP_ID}}",
   "name": {
     "short": "data-analyst-v2-${{APP_NAME_SUFFIX}}",
diff --git a/data-analyst-agent-v2/tsup.config.js b/data-analyst-agent-v2/tsup.config.js
index 2a151699..dfea504d 100644
--- a/data-analyst-agent-v2/tsup.config.js
+++ b/data-analyst-agent-v2/tsup.config.js
@@ -1,4 +1,4 @@
-const { copyFileSync, mkdirSync, readdirSync } = require('fs');
+const { copyFileSync, mkdirSync, readdirSync, existsSync } = require('fs');
 const { join } = require('path');
 
 /** @type {import('tsup').Options} */
@@ -19,7 +19,12 @@ module.exports = {
     const distDataDir = join(__dirname, 'dist', 'data');
     
     mkdirSync(distDataDir, { recursive: true });
-    
+
+    if (!existsSync(srcDataDir)) {
+      console.warn('src/data directory not found, skipping static file copy');
+      return;
+    }
+
     const files = readdirSync(srcDataDir);
     for (const file of files) {
       if (file.endsWith('.sql') || file.endsWith('.jsonl') || file.endsWith('.md') || file.endsWith('.db')) {
diff --git a/developer-assist-dashboard/appPackage/manifest.json b/developer-assist-dashboard/appPackage/manifest.json
index 2326168e..106731c2 100644
--- a/developer-assist-dashboard/appPackage/manifest.json
+++ b/developer-assist-dashboard/appPackage/manifest.json
@@ -1,6 +1,6 @@
 {
-    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.28/MicrosoftTeams.schema.json",
-    "manifestVersion": "1.28",
+    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.29/MicrosoftTeams.schema.json",
+    "manifestVersion": "1.29",
     "version": "1.0.0",
     "id": "${{TEAMS_APP_ID}}",
     "developer": {
diff --git a/graph-toolkit-contact-exporter/appPackage/manifest.json b/graph-toolkit-contact-exporter/appPackage/manifest.json
index 45783907..8a2c07fb 100644
--- a/graph-toolkit-contact-exporter/appPackage/manifest.json
+++ b/graph-toolkit-contact-exporter/appPackage/manifest.json
@@ -1,6 +1,6 @@
 {
-    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.28/MicrosoftTeams.schema.json",
-    "manifestVersion": "1.28",
+    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.29/MicrosoftTeams.schema.json",
+    "manifestVersion": "1.29",
     "version": "1.0.0",
     "id": "${{TEAMS_APP_ID}}",
     "developer": {
diff --git a/graph-toolkit-one-productivity-hub/appPackage/manifest.json b/graph-toolkit-one-productivity-hub/appPackage/manifest.json
index bb32504d..d2760c82 100644
--- a/graph-toolkit-one-productivity-hub/appPackage/manifest.json
+++ b/graph-toolkit-one-productivity-hub/appPackage/manifest.json
@@ -1,6 +1,6 @@
 {
-    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.28/MicrosoftTeams.schema.json",
-    "manifestVersion": "1.28",
+    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.29/MicrosoftTeams.schema.json",
+    "manifestVersion": "1.29",
     "version": "1.0.0",
     "id": "${{TEAMS_APP_ID}}",
     "developer": {
diff --git a/hello-world-in-meeting/appPackage/manifest.json b/hello-world-in-meeting/appPackage/manifest.json
index 9c570c7f..a72cf8cb 100644
--- a/hello-world-in-meeting/appPackage/manifest.json
+++ b/hello-world-in-meeting/appPackage/manifest.json
@@ -1,6 +1,6 @@
 {
-    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.28/MicrosoftTeams.schema.json",
-    "manifestVersion": "1.28",
+    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.29/MicrosoftTeams.schema.json",
+    "manifestVersion": "1.29",
     "version": "1.0.0",
     "id": "${{TEAMS_APP_ID}}",
     "developer": {
diff --git a/hello-world-tab-docker/appPackage/manifest.json b/hello-world-tab-docker/appPackage/manifest.json
index 603f2087..116a4014 100644
--- a/hello-world-tab-docker/appPackage/manifest.json
+++ b/hello-world-tab-docker/appPackage/manifest.json
@@ -1,6 +1,6 @@
 {
-    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.28/MicrosoftTeams.schema.json",
-    "manifestVersion": "1.28",
+    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.29/MicrosoftTeams.schema.json",
+    "manifestVersion": "1.29",
     "version": "1.0.0",
     "id": "${{TEAMS_APP_ID}}",
     "developer": {
diff --git a/hello-world-tab-with-backend/appPackage/manifest.json b/hello-world-tab-with-backend/appPackage/manifest.json
index b5a58464..243bde1e 100644
--- a/hello-world-tab-with-backend/appPackage/manifest.json
+++ b/hello-world-tab-with-backend/appPackage/manifest.json
@@ -1,6 +1,6 @@
 {
-    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.28/MicrosoftTeams.schema.json",
-    "manifestVersion": "1.28",
+    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.29/MicrosoftTeams.schema.json",
+    "manifestVersion": "1.29",
     "version": "1.0.0",
     "id": "${{TEAMS_APP_ID}}",
     "developer": {
diff --git a/large-scale-notification/appPackage/manifest.json b/large-scale-notification/appPackage/manifest.json
index 41f7cd2e..df146f70 100644
--- a/large-scale-notification/appPackage/manifest.json
+++ b/large-scale-notification/appPackage/manifest.json
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.28/MicrosoftTeams.schema.json",
-  "manifestVersion": "1.28",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.29/MicrosoftTeams.schema.json",
+  "manifestVersion": "1.29",
   "version": "1.0.0",
   "id": "${{TEAMS_APP_ID}}",
   "developer": {
diff --git a/live-share-dice-roller/appPackage/manifest.json b/live-share-dice-roller/appPackage/manifest.json
index e3ea0f41..6b66201d 100644
--- a/live-share-dice-roller/appPackage/manifest.json
+++ b/live-share-dice-roller/appPackage/manifest.json
@@ -1,7 +1,7 @@
 {
-    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.28/MicrosoftTeams.schema.json",
+    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.29/MicrosoftTeams.schema.json",
     "version": "1.0.1",
-    "manifestVersion": "1.28",
+    "manifestVersion": "1.29",
     "id": "${{TEAMS_APP_ID}}",
     "name": {
         "short": "DiceRollerLiveShare${{APP_NAME_SUFFIX}}",
diff --git a/query-org-user-with-message-extension-sso/appPackage/manifest.json b/query-org-user-with-message-extension-sso/appPackage/manifest.json
index f222af4c..39f3e29b 100644
--- a/query-org-user-with-message-extension-sso/appPackage/manifest.json
+++ b/query-org-user-with-message-extension-sso/appPackage/manifest.json
@@ -1,6 +1,6 @@
 {
-    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.28/MicrosoftTeams.schema.json",
-    "manifestVersion": "1.28",
+    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.29/MicrosoftTeams.schema.json",
+    "manifestVersion": "1.29",
     "version": "1.0.0",
     "id": "${{TEAMS_APP_ID}}",
     "developer": {
diff --git a/sso-enabled-tab-via-apim-proxy/appPackage/manifest.json b/sso-enabled-tab-via-apim-proxy/appPackage/manifest.json
index f38468b6..05b22f42 100644
--- a/sso-enabled-tab-via-apim-proxy/appPackage/manifest.json
+++ b/sso-enabled-tab-via-apim-proxy/appPackage/manifest.json
@@ -1,6 +1,6 @@
 {
-    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.28/MicrosoftTeams.schema.json",
-    "manifestVersion": "1.28",
+    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.29/MicrosoftTeams.schema.json",
+    "manifestVersion": "1.29",
     "version": "1.0.0",
     "id": "${{TEAMS_APP_ID}}",
     "developer": {
diff --git a/stocks-update-notification-bot/appPackage/manifest.json b/stocks-update-notification-bot/appPackage/manifest.json
index 5828ace6..12b9150f 100644
--- a/stocks-update-notification-bot/appPackage/manifest.json
+++ b/stocks-update-notification-bot/appPackage/manifest.json
@@ -1,6 +1,6 @@
 {
-    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.28/MicrosoftTeams.schema.json",
-    "manifestVersion": "1.28",
+    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.29/MicrosoftTeams.schema.json",
+    "manifestVersion": "1.29",
     "version": "1.0.0",
     "id": "${{TEAMS_APP_ID}}",
     "developer": {
diff --git a/team-central-dashboard/appPackage/manifest.json b/team-central-dashboard/appPackage/manifest.json
index 4ed14f12..d2ac8ac2 100644
--- a/team-central-dashboard/appPackage/manifest.json
+++ b/team-central-dashboard/appPackage/manifest.json
@@ -1,6 +1,6 @@
 {
-    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.28/MicrosoftTeams.schema.json",
-    "manifestVersion": "1.28",
+    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.29/MicrosoftTeams.schema.json",
+    "manifestVersion": "1.29",
     "version": "1.0.0",
     "id": "${{TEAMS_APP_ID}}",
     "developer": {
diff --git a/todo-list-SPFx/appPackage/manifest.json b/todo-list-SPFx/appPackage/manifest.json
index 18942853..04324e18 100644
--- a/todo-list-SPFx/appPackage/manifest.json
+++ b/todo-list-SPFx/appPackage/manifest.json
@@ -1,6 +1,6 @@
 {
-    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.28/MicrosoftTeams.schema.json",
-    "manifestVersion": "1.28",
+    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.29/MicrosoftTeams.schema.json",
+    "manifestVersion": "1.29",
     "id": "${{TEAMS_APP_ID}}",
     "version": "1.0.0",
     "developer": {
diff --git a/todo-list-with-Azure-backend-M365/appPackage/manifest.json b/todo-list-with-Azure-backend-M365/appPackage/manifest.json
index 9f39118f..85a6844c 100644
--- a/todo-list-with-Azure-backend-M365/appPackage/manifest.json
+++ b/todo-list-with-Azure-backend-M365/appPackage/manifest.json
@@ -1,6 +1,6 @@
 {
-    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.28/MicrosoftTeams.schema.json",
-    "manifestVersion": "1.28",
+    "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.29/MicrosoftTeams.schema.json",
+    "manifestVersion": "1.29",
     "version": "1.0.0",
     "id": "${{TEAMS_APP_ID}}",
     "developer": {
diff --git a/validation-tool/src/validators/teamsAppManifestValidator.ts b/validation-tool/src/validators/teamsAppManifestValidator.ts
index c70bbcae..d387cd78 100644
--- a/validation-tool/src/validators/teamsAppManifestValidator.ts
+++ b/validation-tool/src/validators/teamsAppManifestValidator.ts
@@ -9,7 +9,7 @@ import addFormats from "ajv-formats";
 import { Result } from "../resultType";
 import { detectProjectType } from "../projectDetector";
 
-const LATEST_MANIFEST_VERSION = "1.28.0";
+const LATEST_MANIFEST_VERSION = "1.29.0";
 const MANIFEST_PREVIEW_VERSION = "devPreview";
 
 async function fetchSchema(schemaUrl: string): Promise<Record<string, unknown> | null> {
diff --git a/validation-tool/test/data/manifest-valid.json b/validation-tool/test/data/manifest-valid.json
index 8f4c62a5..cf964f56 100644
--- a/validation-tool/test/data/manifest-valid.json
+++ b/validation-tool/test/data/manifest-valid.json
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.28/MicrosoftTeams.schema.json",
-  "manifestVersion": "1.28",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.29/MicrosoftTeams.schema.json",
+  "manifestVersion": "1.29",
   "version": "1.0.0",
   "id": "${{TEAMS_APP_ID}}",
   "developer": {
diff --git a/validation-tool/test/validators/teamsAppManifestValidator.test.ts b/validation-tool/test/validators/teamsAppManifestValidator.test.ts
index 7552048b..74a05a3e 100644
--- a/validation-tool/test/validators/teamsAppManifestValidator.test.ts
+++ b/validation-tool/test/validators/teamsAppManifestValidator.test.ts
@@ -85,6 +85,6 @@ describe('validateTeamsAppManifest()', () => {
     expect(result.name).toEqual("Teams App Manifest");
     expect(result.failed.length).toBe(0);
     expect(result.passed.length).toBe(1);
-    expect(result.warning[0]).toEqual("Manifest version(1.12) is NOT aligned with Microsoft 365 Agents Toolkit(1.28.0).");
+    expect(result.warning[0]).toEqual("Manifest version(1.12) is NOT aligned with Microsoft 365 Agents Toolkit(1.29.0).");
   });
 });