Multi target projects that would otherwise cause issues when restored in higher TFMs (#10661)

github-actions[bot] · joperezr · web-flow · commit 299fff2d7e3d · 2025-07-24T22:03:34.000-07:00
Co-authored-by: Jose Perez Rodriguez &lt;joperezr@microsoft.com&gt;
diff --git a/src/Aspire.Hosting.Azure.Sql/Aspire.Hosting.Azure.Sql.csproj b/src/Aspire.Hosting.Azure.Sql/Aspire.Hosting.Azure.Sql.csproj
@@ -1,7 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>$(DefaultTargetFramework)</TargetFramework>
+    <!-- This project needs to multi-target to net9.0 as well to avoid hitting NuGet Restore issues when package is restored from a net9+ project and avoid NU1605 downgrade errors. -->
+    <TargetFrameworks>$(AllTargetFrameworks)</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <PackageTags>aspire integration hosting azure</PackageTags>
     <Description>Azure SQL Database resource types for .NET Aspire.</Description>
diff --git a/src/Aspire.Hosting.SqlServer/Aspire.Hosting.SqlServer.csproj b/src/Aspire.Hosting.SqlServer/Aspire.Hosting.SqlServer.csproj
@@ -1,7 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>$(DefaultTargetFramework)</TargetFramework>
+    <!-- This project needs to multi-target to net9.0 as well to avoid hitting NuGet Restore issues when package is restored from a net9+ project and avoid NU1605 downgrade errors. -->
+    <TargetFrameworks>$(AllTargetFrameworks)</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <PackageTags>aspire integration hosting sqlserver sql</PackageTags>
     <Description>Microsoft SQL Server support for .NET Aspire.</Description>
diff --git a/src/Components/Aspire.Azure.AI.Inference/Aspire.Azure.AI.Inference.csproj b/src/Components/Aspire.Azure.AI.Inference/Aspire.Azure.AI.Inference.csproj
@@ -1,7 +1,8 @@
 ﻿<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>$(DefaultTargetFramework)</TargetFramework>
+    <!-- This project needs to multi-target to net9.0 as well to avoid hitting NuGet Restore issues when package is restored from a net9+ project and avoid NU1605 downgrade errors. -->
+    <TargetFrameworks>$(AllTargetFrameworks)</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <PackageTags>$(ComponentAzurePackageTags) ai</PackageTags>
     <Description>A client for Azure AI Inference SDK that integrates with Aspire, including logging and telemetry.</Description>
diff --git a/src/Components/Aspire.Azure.AI.OpenAI/Aspire.Azure.AI.OpenAI.csproj b/src/Components/Aspire.Azure.AI.OpenAI/Aspire.Azure.AI.OpenAI.csproj
@@ -1,7 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>$(DefaultTargetFramework)</TargetFramework>
+    <!-- This project needs to multi-target to net9.0 as well to avoid hitting NuGet Restore issues when package is restored from a net9+ project and avoid NU1605 downgrade errors. -->
+    <TargetFrameworks>$(AllTargetFrameworks)</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <PackageTags>$(ComponentAzurePackageTags) ai openai</PackageTags>
     <Description>A client for Azure OpenAI that integrates with Aspire, including logging and telemetry.</Description>
diff --git a/src/Components/Aspire.Microsoft.Data.SqlClient/Aspire.Microsoft.Data.SqlClient.csproj b/src/Components/Aspire.Microsoft.Data.SqlClient/Aspire.Microsoft.Data.SqlClient.csproj
@@ -1,7 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>$(DefaultTargetFramework)</TargetFramework>
+    <!-- This project needs to multi-target to net9.0 as well to avoid hitting NuGet Restore issues when package is restored from a net9+ project and avoid NU1605 downgrade errors. -->
+    <TargetFrameworks>$(AllTargetFrameworks)</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <PackageTags>$(ComponentDatabasePackageTags) sqlserver sql</PackageTags>
     <Description>A Microsoft SQL Server client that integrates with Aspire, including health checks, metrics and telemetry.</Description>
diff --git a/src/Components/Aspire.OpenAI/Aspire.OpenAI.csproj b/src/Components/Aspire.OpenAI/Aspire.OpenAI.csproj
@@ -1,7 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>$(DefaultTargetFramework)</TargetFramework>
+    <!-- This project needs to multi-target to net9.0 as well to avoid hitting NuGet Restore issues when package is restored from a net9+ project and avoid NU1605 downgrade errors. -->
+    <TargetFrameworks>$(AllTargetFrameworks)</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <PackageTags>$(ComponentCommonPackageTags) ai openai</PackageTags>
     <Description>A client for OpenAI that integrates with Aspire, including metrics and telemetry.</Description>
diff --git a/tests/Aspire.Hosting.Azure.Tests/Aspire.Hosting.Azure.Tests.csproj b/tests/Aspire.Hosting.Azure.Tests/Aspire.Hosting.Azure.Tests.csproj
@@ -15,23 +15,18 @@
     <ProjectReference Include="..\..\src\Aspire.Hosting\Aspire.Hosting.csproj" />
     <ProjectReference Include="..\..\src\Aspire.Hosting.Azure.AppContainers\Aspire.Hosting.Azure.AppContainers.csproj" />
     <ProjectReference Include="..\..\src\Aspire.Hosting.Azure.ApplicationInsights\Aspire.Hosting.Azure.ApplicationInsights.csproj" />
-    <ProjectReference Include="..\..\src\Aspire.Hosting.Azure.ApplicationInsights\Aspire.Hosting.Azure.ApplicationInsights.csproj" />
     <ProjectReference Include="..\..\src\Aspire.Hosting.Azure.CognitiveServices\Aspire.Hosting.Azure.CognitiveServices.csproj" />
     <ProjectReference Include="..\..\src\Aspire.Hosting.Azure.ContainerRegistry\Aspire.Hosting.Azure.ContainerRegistry.csproj" />
     <ProjectReference Include="..\..\src\Aspire.Hosting.Azure.CosmosDB\Aspire.Hosting.Azure.CosmosDB.csproj" />
     <ProjectReference Include="..\..\src\Aspire.Hosting.Azure.EventHubs\Aspire.Hosting.Azure.EventHubs.csproj" />
     <ProjectReference Include="..\..\src\Aspire.Hosting.Azure.Functions\Aspire.Hosting.Azure.Functions.csproj" />
     <ProjectReference Include="..\..\src\Aspire.Hosting.Azure.KeyVault\Aspire.Hosting.Azure.KeyVault.csproj" />
     <ProjectReference Include="..\..\src\Aspire.Hosting.Azure.OperationalInsights\Aspire.Hosting.Azure.OperationalInsights.csproj" />
-    <ProjectReference Include="..\..\src\Aspire.Hosting.Azure.OperationalInsights\Aspire.Hosting.Azure.OperationalInsights.csproj" />
     <ProjectReference Include="..\..\src\Aspire.Hosting.Azure.PostgreSQL\Aspire.Hosting.Azure.PostgreSQL.csproj" />
     <ProjectReference Include="..\..\src\Aspire.Hosting.Azure.Redis\Aspire.Hosting.Azure.Redis.csproj" />
     <ProjectReference Include="..\..\src\Aspire.Hosting.Azure.Search\Aspire.Hosting.Azure.Search.csproj" />
-    <ProjectReference Include="..\..\src\Aspire.Hosting.Azure.Search\Aspire.Hosting.Azure.Search.csproj" />
     <ProjectReference Include="..\..\src\Aspire.Hosting.Azure.ServiceBus\Aspire.Hosting.Azure.ServiceBus.csproj" />
     <ProjectReference Include="..\..\src\Aspire.Hosting.Azure.SignalR\Aspire.Hosting.Azure.SignalR.csproj" />
-    <ProjectReference Include="..\..\src\Aspire.Hosting.Azure.SignalR\Aspire.Hosting.Azure.SignalR.csproj" />
-    <ProjectReference Include="..\..\src\Aspire.Hosting.Azure.Sql\Aspire.Hosting.Azure.Sql.csproj" />
     <ProjectReference Include="..\..\src\Aspire.Hosting.Azure.Sql\Aspire.Hosting.Azure.Sql.csproj" />
     <ProjectReference Include="..\..\src\Aspire.Hosting.Azure.Storage\Aspire.Hosting.Azure.Storage.csproj" />
     <ProjectReference Include="..\..\src\Aspire.Hosting.Azure.WebPubSub\Aspire.Hosting.Azure.WebPubSub.csproj" />
