diff --git a/oneware-extension.json b/oneware-extension.json
index 5c7febb..3546315 100644
--- a/oneware-extension.json
+++ b/oneware-extension.json
@@ -47,6 +47,27 @@
           "url": "https://github.com/ProtopSolutions/OneWare.Vhdp/releases/download/0.3/OneWare.VhdpExtension_0.3_osx-arm64.zip"
         }
       ]
+    },
+    {
+      "version": "0.4",
+      "targets": [
+        {
+          "target": "win-x64",
+          "url": "https://github.com/ProtopSolutions/OneWare.Vhdp/releases/download/0.4/OneWare.VhdpExtension_0.4_win-x64.zip"
+        },
+        {
+          "target": "linux-x64",
+          "url": "https://github.com/ProtopSolutions/OneWare.Vhdp/releases/download/0.4/OneWare.VhdpExtension_0.4_linux-x64.zip"
+        },
+        {
+          "target": "osx-x64",
+          "url": "https://github.com/ProtopSolutions/OneWare.Vhdp/releases/download/0.4/OneWare.VhdpExtension_0.4_osx-x64.zip"
+        },
+        {
+          "target": "osx-arm64",
+          "url": "https://github.com/ProtopSolutions/OneWare.Vhdp/releases/download/0.4/OneWare.VhdpExtension_0.4_osx-arm64.zip"
+        }
+      ]
     }
   ]
 }
diff --git a/src/OneWare.Vhdp/Assets/Templates/VhdpBlink/%PROJECTNAME%.vhdp b/src/OneWare.Vhdp/Assets/Templates/VhdpBlink/%PROJECTNAME%.vhdp
new file mode 100644
index 0000000..a3fb19f
--- /dev/null
+++ b/src/OneWare.Vhdp/Assets/Templates/VhdpBlink/%PROJECTNAME%.vhdp
@@ -0,0 +1,16 @@
+Main
+(
+    led: OUT STD_LOGIC := '0';
+)
+{
+    Process()
+    {
+        Thread
+        {
+            led <= '0';
+            Wait(250ms);
+            led <= '1';
+            Wait(250ms);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/OneWare.Vhdp/HdpProjectContext.cs b/src/OneWare.Vhdp/HdpProjectContext.cs
index 5888aeb..4859369 100644
--- a/src/OneWare.Vhdp/HdpProjectContext.cs
+++ b/src/OneWare.Vhdp/HdpProjectContext.cs
@@ -37,7 +37,8 @@ public void Deactivate()
     
     public void ProcessChanges(string fullPath, Container<TextDocumentContentChangeEvent> changes)
     {
-        _documents[fullPath] = ApplyChanges(_documents[fullPath], changes);
+        if (_documents.TryGetValue(fullPath, out string? value)) 
+            _documents[fullPath] = ApplyChanges(value, changes);
     }
 
     private static string ApplyChanges(string document, IEnumerable<TextDocumentContentChangeEvent> changes)
@@ -164,7 +165,7 @@ public void AddPath(string fullPath)
     
     public void RemovePath(string fullPath)
     {
-        if (_projectRoot?.Search(fullPath) is { } entry)
+        if (_projectRoot?.SearchFullPath(fullPath) is { } entry)
         {
             _analyzerContexts.Remove(fullPath);
         }
diff --git a/src/OneWare.Vhdp/OneWare.Vhdp.csproj b/src/OneWare.Vhdp/OneWare.Vhdp.csproj
index cd81bcc..2c766e0 100644
--- a/src/OneWare.Vhdp/OneWare.Vhdp.csproj
+++ b/src/OneWare.Vhdp/OneWare.Vhdp.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <Version>0.3</Version>
+        <Version>0.4</Version>
         <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
@@ -12,12 +12,15 @@
 
     <ItemGroup>
         <Content Include="oneware.json" CopyToOutputDirectory="PreserveNewest"/>
-        <AvaloniaResource Include="Assets\**\*.*" />
+        <AvaloniaResource Include="Assets\*.*" />
+        <Content Include="Assets\Templates\**\*.*">
+            <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+        </Content>
     </ItemGroup>
     
     <ItemGroup>
-        <PackageReference Include="OneWare.Essentials" Version="0.1" Private="false" ExcludeAssets="runtime;Native"/>
-        <PackageReference Include="OneWare.UniversalFpgaProjectSystem" Version="0.14" Private="false" ExcludeAssets="runtime;Native"/>
+        <PackageReference Include="OneWare.Essentials" Version="0.4.3" Private="false" ExcludeAssets="runtime;Native" />
+        <PackageReference Include="OneWare.UniversalFpgaProjectSystem" Version="0.16.4" Private="false" ExcludeAssets="runtime;Native" />
     </ItemGroup>
     
     <ItemGroup>
diff --git a/src/OneWare.Vhdp/OneWareVhdpModule.cs b/src/OneWare.Vhdp/OneWareVhdpModule.cs
index 5171fc0..b2635cd 100644
--- a/src/OneWare.Vhdp/OneWareVhdpModule.cs
+++ b/src/OneWare.Vhdp/OneWareVhdpModule.cs
@@ -1,6 +1,8 @@
 using OneWare.Essentials.Models;
 using OneWare.Essentials.Services;
 using OneWare.Essentials.ViewModels;
+using OneWare.UniversalFpgaProjectSystem.Services;
+using OneWare.Vhdp.Templates;
 using Prism.Ioc;
 using Prism.Modularity;
 
@@ -18,5 +20,7 @@ public void OnInitialized(IContainerProvider containerProvider)
         containerProvider.Resolve<IErrorService>().RegisterErrorSource("VHDP");
         
         containerProvider.Resolve<ILanguageManager>().RegisterService(typeof(LanguageServiceVhdp),true, ".vhdp");
+
+        containerProvider.Resolve<FpgaService>().RegisterTemplate<VhdpBlinkTemplate>();
     }
 }
\ No newline at end of file
diff --git a/src/OneWare.Vhdp/Templates/VhdpBlinkTemplate.cs b/src/OneWare.Vhdp/Templates/VhdpBlinkTemplate.cs
new file mode 100644
index 0000000..54e1f1e
--- /dev/null
+++ b/src/OneWare.Vhdp/Templates/VhdpBlinkTemplate.cs
@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Text.Json.Nodes;
+using OneWare.Essentials.Services;
+using OneWare.UniversalFpgaProjectSystem.Helpers;
+using OneWare.UniversalFpgaProjectSystem.Models;
+using OneWare.UniversalFpgaProjectSystem.Services;
+
+namespace OneWare.Vhdp.Templates;
+
+public class VhdpBlinkTemplate(ILogger logger, IDockService dockService) : IFpgaProjectTemplate
+{
+    public string Name => "VHDP Blink";
+
+    public void FillTemplate(UniversalFpgaProjectRoot root)
+    {
+        var codeBase = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) ?? throw new NullReferenceException(Assembly.GetExecutingAssembly().Location);
+        
+        var path = Path.Combine(codeBase, "Assets", "Templates", "VhdpBlink");
+
+        try
+        {
+            var name = root.Header.Replace(" ", "");
+            TemplateHelper.CopyDirectoryAndReplaceString(path, root.FullPath, ("%PROJECTNAME%", name));
+            var file = root.AddFile(name + ".vhdp");
+            root.TopEntity = file;
+            
+            root.IncludePath("*.vhdp");
+
+            _ = dockService.OpenFileAsync(file);
+        }
+        catch (Exception e)
+        {
+            logger.Error(e.Message, e);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/OneWare.Vhdp/oneware.json b/src/OneWare.Vhdp/oneware.json
index b90bbee..3a3937d 100644
--- a/src/OneWare.Vhdp/oneware.json
+++ b/src/OneWare.Vhdp/oneware.json
@@ -2,8 +2,13 @@
   "Dependencies": [
     {
       "Name": "OneWare.Essentials",
-      "MinVersion": "0.1.0.0",
-      "MaxVersion": "0.1.0.0"
+      "MinVersion": "0.4.3.0",
+      "MaxVersion": "0.4.3.0"
+    },
+    {
+      "Name": "OneWare.UniversalFpgaProjectSystem",
+      "MinVersion": "0.16.4.0",
+      "MaxVersion": "0.16.4.0"
     }
   ]
 }
\ No newline at end of file