diff --git a/templates/csharp/app-mvvm/.template.config/ide.host.json b/templates/csharp/app-mvvm/.template.config/ide.host.json
new file mode 100644
index 00000000..01f1de90
--- /dev/null
+++ b/templates/csharp/app-mvvm/.template.config/ide.host.json
@@ -0,0 +1,20 @@
+{
+  "$schema": "http://json.schemastore.org/ide.host",
+  "icon": "icon.png",
+  "symbolInfo": [
+    {
+      "id": "AvaloniaVersion",
+      "name": {
+        "text": "Avalonia Version"
+      },
+      "isVisible": true
+    },
+    {
+      "id": "MVVMToolkit",
+      "name": {
+        "text": "MVVM Toolkit"
+      },
+      "isVisible": true
+    }
+  ]
+}
\ No newline at end of file
diff --git a/templates/csharp/app-mvvm/.template.config/template.json b/templates/csharp/app-mvvm/.template.config/template.json
index 1d6483f0..c237b1c0 100644
--- a/templates/csharp/app-mvvm/.template.config/template.json
+++ b/templates/csharp/app-mvvm/.template.config/template.json
@@ -47,6 +47,27 @@
     "ReactiveUIToolkitChosen": {
       "type": "computed",
       "value": "(MVVMToolkit == \"ReactiveUI\")"
+    },
+    "AvaloniaVersion": {
+      "type": "parameter",
+      "description": "The target version of Avalonia NuGet packages.",
+      "datatype": "choice",
+      "choices": [
+        {
+          "choice": "0.10.18",
+          "description": "Target 0.10.18 (Latest stable)."
+        },
+        {
+          "choice": "11.0.0-preview4",
+          "description": "Target 11.0.0-preview4"
+        }
+      ],
+      "replaces": "AvaloniaVersionTemplateParameter",
+      "defaultValue": "0.10.18"
+    },
+    "AvaloniaStableChosen": {
+      "type": "computed",
+      "value": "(AvaloniaVersion == \"0.10.18\")"
     }
   },
   "sources": [
diff --git a/templates/csharp/app-mvvm/AvaloniaAppTemplate.csproj b/templates/csharp/app-mvvm/AvaloniaAppTemplate.csproj
index ca678408..0dd83c36 100644
--- a/templates/csharp/app-mvvm/AvaloniaAppTemplate.csproj
+++ b/templates/csharp/app-mvvm/AvaloniaAppTemplate.csproj
@@ -18,12 +18,15 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Avalonia" Version="0.10.18" />
-    <PackageReference Include="Avalonia.Desktop" Version="0.10.18" />
+    <PackageReference Include="Avalonia" Version="AvaloniaVersionTemplateParameter" />
+    <PackageReference Include="Avalonia.Desktop" Version="AvaloniaVersionTemplateParameter" />
+    <!--#if (!AvaloniaStableChosen) -->
+    <PackageReference Include="Avalonia.Themes.Fluent" Version="AvaloniaVersionTemplateParameter" />
+    <!--#endif -->
     <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
-    <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="0.10.18" />
+    <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="AvaloniaVersionTemplateParameter" />
     <!--#if (ReactiveUIToolkitChosen) -->
-    <PackageReference Include="Avalonia.ReactiveUI" Version="0.10.18" />
+    <PackageReference Include="Avalonia.ReactiveUI" Version="AvaloniaVersionTemplateParameter" />
     <!--#else-->
     <PackageReference Include="CommunityToolkit.Mvvm" Version="8.0.0" />
     <!--#endif -->
diff --git a/templates/csharp/app/.template.config/template.json b/templates/csharp/app/.template.config/template.json
index 18126f40..5787f266 100644
--- a/templates/csharp/app/.template.config/template.json
+++ b/templates/csharp/app/.template.config/template.json
@@ -42,6 +42,7 @@
           "description": "Target 11.0.0-preview4"
         }
       ],
+      "replaces": "AvaloniaVersionTemplateParameter",
       "defaultValue": "0.10.18"
     },
     "AvaloniaStableChosen": {
diff --git a/templates/csharp/app/AvaloniaAppTemplate.csproj b/templates/csharp/app/AvaloniaAppTemplate.csproj
index 8f6fc21c..eec594db 100644
--- a/templates/csharp/app/AvaloniaAppTemplate.csproj
+++ b/templates/csharp/app/AvaloniaAppTemplate.csproj
@@ -15,18 +15,13 @@
   </ItemGroup>
 
   <ItemGroup>
-<!--#if (AvaloniaStableChosen) -->
-    <PackageReference Include="Avalonia" Version="0.10.18" />
-    <PackageReference Include="Avalonia.Desktop" Version="0.10.18" />
+    <PackageReference Include="Avalonia" Version="AvaloniaVersionTemplateParameter" />
+    <PackageReference Include="Avalonia.Desktop" Version="AvaloniaVersionTemplateParameter" />
+    <!--#if (!AvaloniaStableChosen) -->
+    <PackageReference Include="Avalonia.Themes.Fluent" Version="AvaloniaVersionTemplateParameter" />
+    <!--#endif -->
     <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
-    <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="0.10.18" />
-<!--#else-->
-    <PackageReference Include="Avalonia" Version="11.0.0-preview4" />
-    <PackageReference Include="Avalonia.Desktop" Version="11.0.0-preview4" />
-    <PackageReference Include="Avalonia.Themes.Fluent" Version="11.0.0-preview4" />
-    <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
-    <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.0.0-preview4" />
-<!--#endif -->
+    <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="AvaloniaVersionTemplateParameter" />
     <PackageReference Include="XamlNameReferenceGenerator" Version="1.5.1" />
   </ItemGroup>
 </Project>
diff --git a/templates/fsharp/app-mvvm/.template.config/ide.host.json b/templates/fsharp/app-mvvm/.template.config/ide.host.json
new file mode 100644
index 00000000..937f4730
--- /dev/null
+++ b/templates/fsharp/app-mvvm/.template.config/ide.host.json
@@ -0,0 +1,13 @@
+{
+  "$schema": "http://json.schemastore.org/ide.host",
+  "icon": "icon.png",
+  "symbolInfo": [
+    {
+      "id": "AvaloniaVersion",
+      "name": {
+        "text": "Avalonia Version"
+      },
+      "isVisible": true
+    }
+  ]
+}
\ No newline at end of file
diff --git a/templates/fsharp/app-mvvm/.template.config/template.json b/templates/fsharp/app-mvvm/.template.config/template.json
index 567595fe..35732fce 100644
--- a/templates/fsharp/app-mvvm/.template.config/template.json
+++ b/templates/fsharp/app-mvvm/.template.config/template.json
@@ -13,5 +13,41 @@
   "tags": {
     "language": "F#",
     "type": "project"
+  },
+  "symbols": {
+    "Framework": {
+      "type": "parameter",
+      "description": "The target framework for the project.",
+      "datatype": "choice",
+      "choices": [
+        {
+          "choice": "net6.0",
+          "description": "Target net6.0"
+        }
+      ],
+      "replaces": "net6.0",
+      "defaultValue": "net6.0"
+    },
+    "AvaloniaVersion": {
+      "type": "parameter",
+      "description": "The target version of Avalonia NuGet packages.",
+      "datatype": "choice",
+      "choices": [
+        {
+          "choice": "0.10.18",
+          "description": "Target 0.10.18 (Latest stable)."
+        },
+        {
+          "choice": "11.0.0-preview4",
+          "description": "Target 11.0.0-preview4"
+        }
+      ],
+      "replaces": "AvaloniaVersionTemplateParameter",
+      "defaultValue": "0.10.18"
+    },
+    "AvaloniaStableChosen": {
+      "type": "computed",
+      "value": "(AvaloniaVersion == \"0.10.18\")"
+    }
   }
 }
\ No newline at end of file
diff --git a/templates/fsharp/app-mvvm/AvaloniaAppTemplate.fsproj b/templates/fsharp/app-mvvm/AvaloniaAppTemplate.fsproj
index befc547e..a6e3aef9 100644
--- a/templates/fsharp/app-mvvm/AvaloniaAppTemplate.fsproj
+++ b/templates/fsharp/app-mvvm/AvaloniaAppTemplate.fsproj
@@ -26,10 +26,14 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Avalonia" Version="0.10.18" />
-    <PackageReference Include="Avalonia.Desktop" Version="0.10.18" />
+    <PackageReference Include="Avalonia" Version="AvaloniaVersionTemplateParameter" />
+    <PackageReference Include="Avalonia.Desktop" Version="AvaloniaVersionTemplateParameter" />
+    <!--#if (!AvaloniaStableChosen) -->
+    <PackageReference Include="Avalonia.Themes.Fluent" Version="AvaloniaVersionTemplateParameter" />
+    <!--#endif -->
     <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
-    <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="0.10.18" />
-    <PackageReference Include="Avalonia.ReactiveUI" Version="0.10.18" />
+    <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="AvaloniaVersionTemplateParameter" />
+    <PackageReference Include="Avalonia.ReactiveUI" Version="AvaloniaVersionTemplateParameter" />
+    <PackageReference Include="XamlNameReferenceGenerator" Version="1.3.4" />
   </ItemGroup>
 </Project>
diff --git a/templates/fsharp/app/.template.config/template.json b/templates/fsharp/app/.template.config/template.json
index b795be6c..df8cacfe 100644
--- a/templates/fsharp/app/.template.config/template.json
+++ b/templates/fsharp/app/.template.config/template.json
@@ -42,6 +42,7 @@
           "description": "Target 11.0.0-preview4"
         }
       ],
+      "replaces": "AvaloniaVersionTemplateParameter",
       "defaultValue": "0.10.18"
     },
     "AvaloniaStableChosen": {
diff --git a/templates/fsharp/app/AvaloniaAppTemplate.fsproj b/templates/fsharp/app/AvaloniaAppTemplate.fsproj
index c0791d0e..02508a99 100644
--- a/templates/fsharp/app/AvaloniaAppTemplate.fsproj
+++ b/templates/fsharp/app/AvaloniaAppTemplate.fsproj
@@ -21,17 +21,13 @@
   </ItemGroup>
 
   <ItemGroup>
-<!--#if (AvaloniaStableChosen) -->
-    <PackageReference Include="Avalonia" Version="0.10.18" />
-    <PackageReference Include="Avalonia.Desktop" Version="0.10.18" />
+    <PackageReference Include="Avalonia" Version="AvaloniaVersionTemplateParameter" />
+    <PackageReference Include="Avalonia.Desktop" Version="AvaloniaVersionTemplateParameter" />
+    <!--#if (!AvaloniaStableChosen) -->
+    <PackageReference Include="Avalonia.Themes.Fluent" Version="AvaloniaVersionTemplateParameter" />
+    <!--#endif -->
     <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
-    <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="0.10.18" />
-<!--#else-->
-    <PackageReference Include="Avalonia" Version="11.0.0-preview4" />
-    <PackageReference Include="Avalonia.Desktop" Version="11.0.0-preview4" />
-    <PackageReference Include="Avalonia.Themes.Fluent" Version="11.0.0-preview4" />
-    <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
-    <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.0.0-preview4" />
-<!--#endif -->
+    <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="AvaloniaVersionTemplateParameter" />
+    <PackageReference Include="XamlNameReferenceGenerator" Version="1.3.4" />
   </ItemGroup>
 </Project>