diff --git a/templates/common/api-plugin-existing-api/appPackage/manifest.json.tpl b/templates/common/api-plugin-existing-api/appPackage/manifest.json.tpl
index 848a1e0b14..c8478ba803 100644
--- a/templates/common/api-plugin-existing-api/appPackage/manifest.json.tpl
+++ b/templates/common/api-plugin-existing-api/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-    "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
-    "manifestVersion": "1.19",
+    "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
+    "manifestVersion": "devPreview",
     "version": "1.0.0",
     "id": "${{TEAMS_APP_ID}}",
     "developer": {
diff --git a/templates/common/copilot-gpt-basic/appPackage/manifest.json.tpl b/templates/common/copilot-gpt-basic/appPackage/manifest.json.tpl
index c15d6f3936..7a3157b05c 100644
--- a/templates/common/copilot-gpt-basic/appPackage/manifest.json.tpl
+++ b/templates/common/copilot-gpt-basic/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-    "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
-    "manifestVersion": "1.19",
+    "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
+    "manifestVersion": "devPreview",
     "version": "1.0.0",
     "id": "${{TEAMS_APP_ID}}",
     "developer": {
diff --git a/templates/csharp/api-plugin-existing-api/appPackage/manifest.json.tpl b/templates/csharp/api-plugin-existing-api/appPackage/manifest.json.tpl
index d703616092..722a62d9a0 100644
--- a/templates/csharp/api-plugin-existing-api/appPackage/manifest.json.tpl
+++ b/templates/csharp/api-plugin-existing-api/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-    "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
-    "manifestVersion": "1.19",
+    "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
+    "manifestVersion": "devPreview",
     "version": "1.0.0",
     "id": "${{TEAMS_APP_ID}}",
     "developer": {
diff --git a/templates/csharp/api-plugin-from-scratch-bearer/appPackage/manifest.json.tpl b/templates/csharp/api-plugin-from-scratch-bearer/appPackage/manifest.json.tpl
index 8d0fac5dc2..ba3de44eca 100644
--- a/templates/csharp/api-plugin-from-scratch-bearer/appPackage/manifest.json.tpl
+++ b/templates/csharp/api-plugin-from-scratch-bearer/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
-  "manifestVersion": "1.19",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
+  "manifestVersion": "devPreview",
   "id": "${{TEAMS_APP_ID}}",
   "version": "1.0.0",
   "developer": {
diff --git a/templates/csharp/api-plugin-from-scratch-oauth/appPackage/manifest.json.tpl b/templates/csharp/api-plugin-from-scratch-oauth/appPackage/manifest.json.tpl
index 5abe443d0e..47bd3a6fa1 100644
--- a/templates/csharp/api-plugin-from-scratch-oauth/appPackage/manifest.json.tpl
+++ b/templates/csharp/api-plugin-from-scratch-oauth/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
-  "manifestVersion": "1.19",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
+  "manifestVersion": "devPreview",
   "id": "${{TEAMS_APP_ID}}",
   "version": "1.0.0",
   "developer": {
diff --git a/templates/csharp/api-plugin-from-scratch/appPackage/manifest.json.tpl b/templates/csharp/api-plugin-from-scratch/appPackage/manifest.json.tpl
index 8d0fac5dc2..ba3de44eca 100644
--- a/templates/csharp/api-plugin-from-scratch/appPackage/manifest.json.tpl
+++ b/templates/csharp/api-plugin-from-scratch/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
-  "manifestVersion": "1.19",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
+  "manifestVersion": "devPreview",
   "id": "${{TEAMS_APP_ID}}",
   "version": "1.0.0",
   "developer": {
diff --git a/templates/csharp/copilot-gpt-basic/appPackage/manifest.json.tpl b/templates/csharp/copilot-gpt-basic/appPackage/manifest.json.tpl
index eca889c290..4256f2c864 100644
--- a/templates/csharp/copilot-gpt-basic/appPackage/manifest.json.tpl
+++ b/templates/csharp/copilot-gpt-basic/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-    "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
-    "manifestVersion": "1.19",
+    "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
+    "manifestVersion": "devPreview",
     "version": "1.0.0",
     "id": "${{TEAMS_APP_ID}}",
     "packageName": "com.microsoft.teams.extension",
diff --git a/templates/csharp/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl b/templates/csharp/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl
index f796b56302..89d9b6fb96 100644
--- a/templates/csharp/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl
+++ b/templates/csharp/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
-  "manifestVersion": "1.19",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
+  "manifestVersion": "devPreview",
   "id": "${{TEAMS_APP_ID}}",
   "packageName": "com.microsoft.teams.extension",
   "version": "1.0.0",
diff --git a/templates/js/api-plugin-from-scratch-bearer/appPackage/manifest.json.tpl b/templates/js/api-plugin-from-scratch-bearer/appPackage/manifest.json.tpl
index e49a97266b..060aa731d8 100644
--- a/templates/js/api-plugin-from-scratch-bearer/appPackage/manifest.json.tpl
+++ b/templates/js/api-plugin-from-scratch-bearer/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
-  "manifestVersion": "1.19",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
+  "manifestVersion": "devPreview",
   "id": "${{TEAMS_APP_ID}}",
   "version": "1.0.0",
   "developer": {
diff --git a/templates/js/api-plugin-from-scratch-oauth/appPackage/manifest.json.tpl b/templates/js/api-plugin-from-scratch-oauth/appPackage/manifest.json.tpl
index 2d32a82bd6..f91316bb68 100644
--- a/templates/js/api-plugin-from-scratch-oauth/appPackage/manifest.json.tpl
+++ b/templates/js/api-plugin-from-scratch-oauth/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
-  "manifestVersion": "1.19",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
+  "manifestVersion": "devPreview",
   "id": "${{TEAMS_APP_ID}}",
   "version": "1.0.0",
   "developer": {
diff --git a/templates/js/api-plugin-from-scratch/appPackage/manifest.json.tpl b/templates/js/api-plugin-from-scratch/appPackage/manifest.json.tpl
index f8590059bf..80401dfd7b 100644
--- a/templates/js/api-plugin-from-scratch/appPackage/manifest.json.tpl
+++ b/templates/js/api-plugin-from-scratch/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
-  "manifestVersion": "1.19",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
+  "manifestVersion": "devPreview",
   "id": "${{TEAMS_APP_ID}}",
   "version": "1.0.0",
   "developer": {
diff --git a/templates/js/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl b/templates/js/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl
index 61c63bddfb..3eeba3e18d 100644
--- a/templates/js/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl
+++ b/templates/js/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
-  "manifestVersion": "1.19",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
+  "manifestVersion": "devPreview",
   "id": "${{TEAMS_APP_ID}}",
   "version": "1.0.0",
   "developer": {
diff --git a/templates/ts/api-plugin-from-scratch-bearer/appPackage/manifest.json.tpl b/templates/ts/api-plugin-from-scratch-bearer/appPackage/manifest.json.tpl
index 88c8873a4c..3a769944b6 100644
--- a/templates/ts/api-plugin-from-scratch-bearer/appPackage/manifest.json.tpl
+++ b/templates/ts/api-plugin-from-scratch-bearer/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
-  "manifestVersion": "1.19",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
+  "manifestVersion": "devPreview",
   "id": "${{TEAMS_APP_ID}}",
   "version": "1.0.0",
   "developer": {
diff --git a/templates/ts/api-plugin-from-scratch-oauth/appPackage/manifest.json.tpl b/templates/ts/api-plugin-from-scratch-oauth/appPackage/manifest.json.tpl
index 2d32a82bd6..f91316bb68 100644
--- a/templates/ts/api-plugin-from-scratch-oauth/appPackage/manifest.json.tpl
+++ b/templates/ts/api-plugin-from-scratch-oauth/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
-  "manifestVersion": "1.19",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
+  "manifestVersion": "devPreview",
   "id": "${{TEAMS_APP_ID}}",
   "version": "1.0.0",
   "developer": {
diff --git a/templates/ts/api-plugin-from-scratch/appPackage/manifest.json.tpl b/templates/ts/api-plugin-from-scratch/appPackage/manifest.json.tpl
index 84a378fdb6..be8ec6ffdd 100644
--- a/templates/ts/api-plugin-from-scratch/appPackage/manifest.json.tpl
+++ b/templates/ts/api-plugin-from-scratch/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
-  "manifestVersion": "1.19",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
+  "manifestVersion": "devPreview",
   "id": "${{TEAMS_APP_ID}}",
   "version": "1.0.0",
   "developer": {
diff --git a/templates/ts/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl b/templates/ts/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl
index da8c9c4ec1..4940341d87 100644
--- a/templates/ts/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl
+++ b/templates/ts/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
-  "manifestVersion": "1.19",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
+  "manifestVersion": "devPreview",
   "id": "${{TEAMS_APP_ID}}",
   "version": "1.0.0",
   "developer": {