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 92c324f9fc..848a1e0b14 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 @@
 {
-    "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
-    "manifestVersion": "devPreview",
+    "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
+    "manifestVersion": "1.19",
     "version": "1.0.0",
     "id": "${{TEAMS_APP_ID}}",
     "developer": {
@@ -23,8 +23,8 @@
     },
     "accentColor": "#FFFFFF",
     {{#DeclarativeCopilot}}
-    "copilotExtensions": {
-        "declarativeCopilots": [            
+    "copilotAgents": {
+        "declarativeAgents": [            
             {
                 "id": "declarativeAgent",
                 "file": "declarativeAgent.json"
diff --git a/templates/common/copilot-gpt-basic/appPackage/manifest.json.tpl b/templates/common/copilot-gpt-basic/appPackage/manifest.json.tpl
index 7835f376fc..c15d6f3936 100644
--- a/templates/common/copilot-gpt-basic/appPackage/manifest.json.tpl
+++ b/templates/common/copilot-gpt-basic/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-    "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
-    "manifestVersion": "devPreview",
+    "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
+    "manifestVersion": "1.19",
     "version": "1.0.0",
     "id": "${{TEAMS_APP_ID}}",
     "developer": {
@@ -27,8 +27,8 @@
         "identity",
         "messageTeamMembers"
     ],
-    "copilotExtensions": {
-        "declarativeCopilots": [            
+    "copilotAgents": {
+        "declarativeAgents": [            
             {
                 "id": "declarativeAgent",
                 "file": "declarativeAgent.json"
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 722a62d9a0..d703616092 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 @@
 {
-    "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
-    "manifestVersion": "devPreview",
+    "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
+    "manifestVersion": "1.19",
     "version": "1.0.0",
     "id": "${{TEAMS_APP_ID}}",
     "developer": {
diff --git a/templates/csharp/api-plugin-from-scratch-bearer/appPackage/manifest.json.tpl b/templates/csharp/api-plugin-from-scratch-bearer/appPackage/manifest.json.tpl
index 6046fbdbd4..8d0fac5dc2 100644
--- a/templates/csharp/api-plugin-from-scratch-bearer/appPackage/manifest.json.tpl
+++ b/templates/csharp/api-plugin-from-scratch-bearer/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
-  "manifestVersion": "devPreview",
+  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
+  "manifestVersion": "1.19",
   "id": "${{TEAMS_APP_ID}}",
   "version": "1.0.0",
   "developer": {
@@ -22,7 +22,7 @@
     "full": "The ultimate solution for hassle-free car maintenance management makes tracking and monitoring your car repair records a breeze."
   },
   "accentColor": "#FFFFFF",
-  "copilotExtensions": {    
+  "copilotAgents": {    
     "plugins": [
       {
         "id": "plugin_1",
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 5242ca1e09..5abe443d0e 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 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
-  "manifestVersion": "devPreview",
+  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
+  "manifestVersion": "1.19",
   "id": "${{TEAMS_APP_ID}}",
   "version": "1.0.0",
   "developer": {
@@ -22,7 +22,7 @@
     "full": "The ultimate solution for hassle-free car maintenance management makes tracking and monitoring your car repair records a breeze."
   },
   "accentColor": "#FFFFFF",
-  "copilotExtensions": {    
+  "copilotAgents": {    
     "plugins": [
       {
         "id": "plugin_1",
diff --git a/templates/csharp/api-plugin-from-scratch/appPackage/manifest.json.tpl b/templates/csharp/api-plugin-from-scratch/appPackage/manifest.json.tpl
index 6046fbdbd4..8d0fac5dc2 100644
--- a/templates/csharp/api-plugin-from-scratch/appPackage/manifest.json.tpl
+++ b/templates/csharp/api-plugin-from-scratch/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
-  "manifestVersion": "devPreview",
+  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
+  "manifestVersion": "1.19",
   "id": "${{TEAMS_APP_ID}}",
   "version": "1.0.0",
   "developer": {
@@ -22,7 +22,7 @@
     "full": "The ultimate solution for hassle-free car maintenance management makes tracking and monitoring your car repair records a breeze."
   },
   "accentColor": "#FFFFFF",
-  "copilotExtensions": {    
+  "copilotAgents": {    
     "plugins": [
       {
         "id": "plugin_1",
diff --git a/templates/csharp/copilot-gpt-basic/appPackage/manifest.json.tpl b/templates/csharp/copilot-gpt-basic/appPackage/manifest.json.tpl
index b956742309..eca889c290 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 @@
 {
-    "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
-    "manifestVersion": "devPreview",
+    "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
+    "manifestVersion": "1.19",
     "version": "1.0.0",
     "id": "${{TEAMS_APP_ID}}",
     "packageName": "com.microsoft.teams.extension",
@@ -28,8 +28,8 @@
         "identity",
         "messageTeamMembers"
     ],
-    "copilotExtensions": {
-        "declarativeCopilots": [            
+    "copilotAgents": {
+        "declarativeAgents": [
             {
                 "id": "declarativeAgent",
                 "file": "declarativeAgent.json"
diff --git a/templates/csharp/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl b/templates/csharp/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl
index 7e1d4e9520..f796b56302 100644
--- a/templates/csharp/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl
+++ b/templates/csharp/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
-  "manifestVersion": "devPreview",
+  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
+  "manifestVersion": "1.19",
   "id": "${{TEAMS_APP_ID}}",
   "packageName": "com.microsoft.teams.extension",
   "version": "1.0.0",
@@ -23,8 +23,8 @@
     "full": "The ultimate solution for hassle-free car maintenance management makes tracking and monitoring your car repair records a breeze."
   },
   "accentColor": "#FFFFFF",
-  "copilotExtensions": {
-    "declarativeCopilots": [
+  "copilotAgents": {
+    "declarativeAgents": [
       {
         "id": "repairDeclarativeAgent",
         "file": "repairDeclarativeAgent.json"
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 bbc0cdd9cc..e49a97266b 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 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
-  "manifestVersion": "devPreview",
+  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
+  "manifestVersion": "1.19",
   "id": "${{TEAMS_APP_ID}}",
   "version": "1.0.0",
   "developer": {
@@ -22,7 +22,7 @@
     "full": "The ultimate solution for hassle-free car maintenance management makes tracking and monitoring your car repair records a breeze."
   },
   "accentColor": "#FFFFFF",
-  "copilotExtensions": {  
+  "copilotAgents": {  
     {{^DeclarativeCopilot}}  
     "plugins": [
       {
@@ -32,7 +32,7 @@
     ]
     {{/DeclarativeCopilot}}
     {{#DeclarativeCopilot}} 
-    "declarativeCopilots": [            
+    "declarativeAgents": [
       {
         "id": "repairDeclarativeAgent",
         "file": "repairDeclarativeAgent.json"
diff --git a/templates/js/api-plugin-from-scratch-oauth/appPackage/manifest.json.tpl b/templates/js/api-plugin-from-scratch-oauth/appPackage/manifest.json.tpl
index 394b463b62..2d32a82bd6 100644
--- a/templates/js/api-plugin-from-scratch-oauth/appPackage/manifest.json.tpl
+++ b/templates/js/api-plugin-from-scratch-oauth/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
-  "manifestVersion": "devPreview",
+  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
+  "manifestVersion": "1.19",
   "id": "${{TEAMS_APP_ID}}",
   "version": "1.0.0",
   "developer": {
@@ -22,7 +22,7 @@
     "full": "The ultimate solution for hassle-free car maintenance management makes tracking and monitoring your car repair records a breeze."
   },
   "accentColor": "#FFFFFF",
-  "copilotExtensions": {
+  "copilotAgents": {
     {{^DeclarativeCopilot}}
     "plugins": [
       {
@@ -32,7 +32,7 @@
     ]
     {{/DeclarativeCopilot}}
     {{#DeclarativeCopilot}} 
-    "declarativeCopilots": [            
+    "declarativeAgents": [
       {
         "id": "repairDeclarativeAgent",
         "file": "repairDeclarativeAgent.json"
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 69a740e679..f8590059bf 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 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
-  "manifestVersion": "devPreview",
+  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
+  "manifestVersion": "1.19",
   "id": "${{TEAMS_APP_ID}}",
   "version": "1.0.0",
   "developer": {
@@ -22,7 +22,7 @@
     "full": "The ultimate solution for hassle-free car maintenance management makes tracking and monitoring your car repair records a breeze."
   },
   "accentColor": "#FFFFFF",
-  "copilotExtensions": {   
+  "copilotAgents": {   
     {{^DeclarativeCopilot}} 
     "plugins": [
       {
@@ -32,7 +32,7 @@
     ]
     {{/DeclarativeCopilot}}
     {{#DeclarativeCopilot}} 
-    "declarativeCopilots": [            
+    "declarativeAgents": [
       {
         "id": "repairDeclarativeAgent",
         "file": "repairDeclarativeAgent.json"
diff --git a/templates/js/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl b/templates/js/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl
index 3336f56f44..61c63bddfb 100644
--- a/templates/js/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl
+++ b/templates/js/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
-  "manifestVersion": "devPreview",
+  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
+  "manifestVersion": "1.19",
   "id": "${{TEAMS_APP_ID}}",
   "version": "1.0.0",
   "developer": {
@@ -22,8 +22,8 @@
     "full": "The ultimate solution for hassle-free car maintenance management makes tracking and monitoring your car repair records a breeze."
   },
   "accentColor": "#FFFFFF",
-  "copilotExtensions": {
-    "declarativeCopilots": [
+  "copilotAgents": {
+    "declarativeAgents": [
       {
         "id": "repairDeclarativeAgent",
         "file": "repairDeclarativeAgent.json"
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 5caba495da..88c8873a4c 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 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
-  "manifestVersion": "devPreview",
+  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
+  "manifestVersion": "1.19",
   "id": "${{TEAMS_APP_ID}}",
   "version": "1.0.0",
   "developer": {
@@ -22,7 +22,7 @@
     "full": "The ultimate solution for hassle-free car maintenance management makes tracking and monitoring your car repair records a breeze."
   },
   "accentColor": "#FFFFFF",
-  "copilotExtensions": {
+  "copilotAgents": {
     {{^DeclarativeCopilot}}    
     "plugins": [
       {
@@ -32,7 +32,7 @@
     ]
     {{/DeclarativeCopilot}}
     {{#DeclarativeCopilot}} 
-    "declarativeCopilots": [            
+    "declarativeAgents": [
       {
         "id": "repairDeclarativeAgent",
         "file": "repairDeclarativeAgent.json"
diff --git a/templates/ts/api-plugin-from-scratch-oauth/appPackage/manifest.json.tpl b/templates/ts/api-plugin-from-scratch-oauth/appPackage/manifest.json.tpl
index 394b463b62..2d32a82bd6 100644
--- a/templates/ts/api-plugin-from-scratch-oauth/appPackage/manifest.json.tpl
+++ b/templates/ts/api-plugin-from-scratch-oauth/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
-  "manifestVersion": "devPreview",
+  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
+  "manifestVersion": "1.19",
   "id": "${{TEAMS_APP_ID}}",
   "version": "1.0.0",
   "developer": {
@@ -22,7 +22,7 @@
     "full": "The ultimate solution for hassle-free car maintenance management makes tracking and monitoring your car repair records a breeze."
   },
   "accentColor": "#FFFFFF",
-  "copilotExtensions": {
+  "copilotAgents": {
     {{^DeclarativeCopilot}}
     "plugins": [
       {
@@ -32,7 +32,7 @@
     ]
     {{/DeclarativeCopilot}}
     {{#DeclarativeCopilot}} 
-    "declarativeCopilots": [            
+    "declarativeAgents": [
       {
         "id": "repairDeclarativeAgent",
         "file": "repairDeclarativeAgent.json"
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 6e33224367..84a378fdb6 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 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
-  "manifestVersion": "devPreview",
+  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
+  "manifestVersion": "1.19",
   "id": "${{TEAMS_APP_ID}}",
   "version": "1.0.0",
   "developer": {
@@ -22,7 +22,7 @@
     "full": "The ultimate solution for hassle-free car maintenance management makes tracking and monitoring your car repair records a breeze."
   },
   "accentColor": "#FFFFFF",
-  "copilotExtensions": { 
+  "copilotAgents": { 
     {{^DeclarativeCopilot}}   
     "plugins": [
       {
@@ -32,7 +32,7 @@
     ]
     {{/DeclarativeCopilot}}
     {{#DeclarativeCopilot}} 
-    "declarativeCopilots": [            
+    "declarativeAgents": [
       {
         "id": "repairDeclarativeAgent",
         "file": "repairDeclarativeAgent.json"
diff --git a/templates/ts/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl b/templates/ts/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl
index 3336f56f44..da8c9c4ec1 100644
--- a/templates/ts/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl
+++ b/templates/ts/copilot-gpt-from-scratch-plugin/appPackage/manifest.json.tpl
@@ -1,6 +1,6 @@
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/vDevPreview/MicrosoftTeams.schema.json",
-  "manifestVersion": "devPreview",
+  "$schema": "https://aka.ms/json-schemas/teams/v1.19/MicrosoftTeams.schema.json",
+  "manifestVersion": "1.19",
   "id": "${{TEAMS_APP_ID}}",
   "version": "1.0.0",
   "developer": {
@@ -22,8 +22,8 @@
     "full": "The ultimate solution for hassle-free car maintenance management makes tracking and monitoring your car repair records a breeze."
   },
   "accentColor": "#FFFFFF",
-  "copilotExtensions": {
-    "declarativeCopilots": [
+  "copilotAgents": {
+    "declarativeAgents": [
       {
         "id": "repairDeclarativeAgent",
         "file": "repairDeclarativeAgent.json"
@@ -35,7 +35,7 @@
         "file": "ai-plugin.json"
       }
     ]
-  },  
+  },
   "permissions": [
     "identity",
     "messageTeamMembers"