diff --git a/images/iqsharp-base/Dockerfile b/images/iqsharp-base/Dockerfile
index eadbf75082..a633eb5572 100644
--- a/images/iqsharp-base/Dockerfile
+++ b/images/iqsharp-base/Dockerfile
@@ -109,7 +109,7 @@ ENV PATH=$PATH:${HOME}/dotnet:${HOME}/.dotnet/tools \
 # Install IQ# and the project templates, using the NuGet packages from the
 # build context.
 ARG IQSHARP_VERSION
-RUN dotnet new -i "Microsoft.Quantum.ProjectTemplates::0.10.2001.525-beta" && \
+RUN dotnet new -i "Microsoft.Quantum.ProjectTemplates::0.11.2006.2203-beta" && \
     dotnet tool install \
            --global \
            Microsoft.Quantum.IQSharp \
diff --git a/src/Core/Compiler/CompilerService.cs b/src/Core/Compiler/CompilerService.cs
index 6ac40cdd4b..b0665f3d54 100644
--- a/src/Core/Compiler/CompilerService.cs
+++ b/src/Core/Compiler/CompilerService.cs
@@ -135,10 +135,9 @@ private AssemblyInfo BuildAssembly(ImmutableDictionary<Uri, string> sources, Com
             {
                 // Generate C# simulation code from Q# syntax tree and convert it into C# syntax trees:
                 var trees = new List<CodeAnalysis.SyntaxTree>();
-                NonNullable<string> GetFileId(Uri uri) => CompilationUnitManager.TryGetFileId(uri, out var id) ? id : NonNullable<string>.New(uri.AbsolutePath);
                 foreach (var file in sources.Keys)
                 {
-                    var sourceFile = GetFileId(file);
+                    var sourceFile = CompilationUnitManager.GetFileId(file);
                     var codegenContext = string.IsNullOrEmpty(executionTarget)
                         ? CodegenContext.Create(qsCompilation.Namespaces)
                         : CodegenContext.Create(qsCompilation.Namespaces, new Dictionary<string, string>() { { AssemblyConstants.ExecutionTarget, executionTarget } });
diff --git a/src/Core/Core.csproj b/src/Core/Core.csproj
index 6bfdb7f9ac..e4a4b59562 100644
--- a/src/Core/Core.csproj
+++ b/src/Core/Core.csproj
@@ -34,9 +34,9 @@
     <PackageReference Include="Microsoft.CSharp" Version="4.5.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="3.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="3.0.0" />
-    <PackageReference Include="Microsoft.Quantum.Compiler" Version="0.12.20062505-beta" />
-    <PackageReference Include="Microsoft.Quantum.CsharpGeneration" Version="0.12.20062505-beta" />
-    <PackageReference Include="Microsoft.Quantum.Simulators" Version="0.12.20062505-beta" />
+    <PackageReference Include="Microsoft.Quantum.Compiler" Version="0.11.2006.2203-beta" />
+    <PackageReference Include="Microsoft.Quantum.CsharpGeneration" Version="0.11.2006.2203-beta" />
+    <PackageReference Include="Microsoft.Quantum.Simulators" Version="0.11.2006.2203-beta" />
     <PackageReference Include="NuGet.Resolver" Version="5.1.0" />
     <PackageReference Include="System.Runtime.Loader" Version="4.3.0" />
   </ItemGroup>
diff --git a/src/Core/Snippets/Snippets.cs b/src/Core/Snippets/Snippets.cs
index f6afa05204..dcff06fc0b 100644
--- a/src/Core/Snippets/Snippets.cs
+++ b/src/Core/Snippets/Snippets.cs
@@ -10,6 +10,7 @@
 using System.Runtime.Loader;
 using Microsoft.Extensions.Logging;
 using Microsoft.Quantum.IQSharp.Common;
+using Microsoft.Quantum.QsCompiler.CompilationBuilder;
 
 namespace Microsoft.Quantum.IQSharp
 {
@@ -162,10 +163,13 @@ Snippet populate(Snippet s) =>
                     {
                         id = string.IsNullOrWhiteSpace(s.id) ? Guid.NewGuid().ToString() : s.id,
                         code = s.code,
-                        warnings = logger.Logs.Where(m => m.Source == s.Uri.AbsolutePath).Select(logger.Format).ToArray(),
+                        warnings = logger.Logs
+                            .Where(m => m.Source == CompilationUnitManager.GetFileId(s.Uri).Value)
+                            .Select(logger.Format)
+                            .ToArray(),
                         Elements = assembly?.SyntaxTree?
                             .SelectMany(ns => ns.Elements)
-                            .Where(c => c.SourceFile() == s.Uri.AbsolutePath)
+                            .Where(c => c.SourceFile() == CompilationUnitManager.GetFileId(s.Uri).Value)
                             .ToArray()
                     };
 
diff --git a/src/Tool/appsettings.json b/src/Tool/appsettings.json
index f6951ce8db..9b0c466e3a 100644
--- a/src/Tool/appsettings.json
+++ b/src/Tool/appsettings.json
@@ -6,26 +6,25 @@
     },
     "AllowedHosts": "*",
   "DefaultPackageVersions": [
-    "Microsoft.Quantum.Compiler::0.12.20062505-beta",
+    "Microsoft.Quantum.Compiler::0.11.2006.2203-beta",
 
-    "Microsoft.Quantum.CsharpGeneration::0.12.20062505-beta",
-    "Microsoft.Quantum.Development.Kit::0.12.20062505-beta",
-    "Microsoft.Quantum.Simulators::0.12.20062505-beta",
-    "Microsoft.Quantum.Xunit::0.12.20062505-beta",
+    "Microsoft.Quantum.CsharpGeneration::0.11.2006.2203-beta",
+    "Microsoft.Quantum.Development.Kit::0.11.2006.2203-beta",
+    "Microsoft.Quantum.Simulators::0.11.2006.2203-beta",
+    "Microsoft.Quantum.Xunit::0.11.2006.2203-beta",
 
-    "Microsoft.Quantum.Standard::0.12.20062505-beta",
-    "Microsoft.Quantum.Chemistry::0.12.20062505-beta",
-    "Microsoft.Quantum.Chemistry.Jupyter::0.12.20062505-beta",
-    "Microsoft.Quantum.MachineLearning::0.12.20062505-beta",
-    "Microsoft.Quantum.Numerics::0.12.20062505-beta",
+    "Microsoft.Quantum.Standard::0.11.2006.2203-beta",
+    "Microsoft.Quantum.Chemistry::0.11.2006.2203-beta",
+    "Microsoft.Quantum.Chemistry.Jupyter::0.11.2006.2203-beta",
+    "Microsoft.Quantum.MachineLearning::0.11.2006.2203-beta",
+    "Microsoft.Quantum.Numerics::0.11.2006.2203-beta",
 
-    "Microsoft.Quantum.Katas::0.12.20062505-beta",
+    "Microsoft.Quantum.Katas::0.11.2006.2203-beta",
 
-    "Microsoft.Quantum.Research::0.12.20062505-beta",
-    
+    "Microsoft.Quantum.Research::0.11.2006.2203-beta",
 
-    "Microsoft.Quantum.Providers.IonQ::0.12.20062505-beta",
-    "Microsoft.Quantum.Providers.Honeywell::0.12.20062505-beta",
-    "Microsoft.Quantum.Providers.QCI::0.12.20062505-beta"
+    "Microsoft.Quantum.Providers.IonQ::0.11.2006.2203-beta",
+    "Microsoft.Quantum.Providers.Honeywell::0.11.2006.2203-beta",
+    "Microsoft.Quantum.Providers.QCI::0.11.2006.2203-beta"
   ]
 }