Remove .NET Core 3.1 support and standardize on .NET 6

.github/workflows/itests.yml

@@ -19,22 +19,14 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        dotnet-version: ['3.1', '6.0', '7.0']
+        dotnet-version: ['6.0', '7.0']
         include:
-        - dotnet-version: '3.1'
-          install-3: true
-          display-name: '.NET Core 3.1'
-          framework: 'netcoreapp3.1'
-          prefix: 'netcoreapp31'
-          install-version: '3.1.x' # We always need a new .NET
         - dotnet-version: '6.0'
-          install-3: false
           display-name: '.NET 6.0'
           framework: 'net6'
           prefix: 'net6'
           install-version: '6.0.x'
         - dotnet-version: '7.0'
-          install-3: false
           display-name: '.NET 7.0'
           framework: 'net7'
           prefix: 'net7'

.github/workflows/sdk_build.yml

@@ -42,14 +42,8 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        dotnet-version: ['3.1', '6.0', '7.0']
+        dotnet-version: ['6.0', '7.0']
         include:
-        - dotnet-version: '3.1'
-          install-3: true
-          display-name: '.NET Core 3.1'
-          framework: 'netcoreapp3.1'
-          prefix: 'netcoreapp31'
-          install-version: '3.1.x' # We always need a new .NET
         - dotnet-version: '6.0'
           install-3: false
           display-name: '.NET 6.0'

examples/Actor/ActorClient/ActorClient.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

examples/Actor/DemoActor/DemoActor.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

examples/Actor/IDemoActor/IDemoActor.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

examples/AspNetCore/ControllerSample/ControllerSample.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

examples/AspNetCore/ControllerSample/README.md

@@ -12,7 +12,7 @@ The application also registers for pub/sub with the `deposit`, `multideposit` an
 
 ## Prerequisitess
 
-- [.NET Core 3.1 or .NET 5+](https://dotnet.microsoft.com/download) installed
+- [.NET 6+](https://dotnet.microsoft.com/download) installed
 - [Dapr CLI](https://docs.dapr.io/getting-started/install-dapr-cli/)
 - [Initialized Dapr environment](https://docs.dapr.io/getting-started/install-dapr-selfhost/)
 - [Dapr .NET SDK](https://docs.dapr.io/developing-applications/sdks/dotnet/)

examples/AspNetCore/GrpcServiceSample/GrpcServiceSample.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6</TargetFramework>
     <RunAnalyzersDuringBuild>true</RunAnalyzersDuringBuild>
   </PropertyGroup>
 

examples/AspNetCore/GrpcServiceSample/README.md

@@ -11,7 +11,7 @@ The application also registers for pub/sub with the `deposit` and `withdraw` top
 
 ## Prerequisitess
 
-- [.NET Core 3.1 or .NET 5+](https://dotnet.microsoft.com/download) installed
+- [.NET 6+](https://dotnet.microsoft.com/download) installed
 - [Dapr CLI](https://docs.dapr.io/getting-started/install-dapr-cli/)
 - [Initialized Dapr environment](https://docs.dapr.io/getting-started/install-dapr-selfhost/)
 - [Dapr .NET SDK](https://docs.dapr.io/developing-applications/sdks/dotnet/)

examples/AspNetCore/RoutingSample/README.md

@@ -12,7 +12,7 @@ The application also registers for pub/sub with the `deposit`, `multideposit`, a
 
 ## Prerequisites
 
-- [.NET Core 3.1 or .NET 5+](https://dotnet.microsoft.com/download) installed
+- [.NET 6+](https://dotnet.microsoft.com/download) installed
 - [Dapr CLI](https://docs.dapr.io/getting-started/install-dapr-cli/)
 - [Initialized Dapr environment](https://docs.dapr.io/getting-started/install-dapr-selfhost/)
 - [Dapr .NET SDK](https://docs.dapr.io/developing-applications/sdks/dotnet/)

examples/AspNetCore/SecretStoreConfigurationProviderSample/README.md

@@ -2,7 +2,7 @@
 
 ## Prerequisites
 
-- [.NET Core 3.1 or .NET 5+](https://dotnet.microsoft.com/download) installed
+- [.NET 6+](https://dotnet.microsoft.com/download) installed
 - [Dapr CLI](https://docs.dapr.io/getting-started/install-dapr-cli/)
 - [Initialized Dapr environment](https://docs.dapr.io/getting-started/install-dapr-selfhost/)
 - [Dapr .NET SDK](https://docs.dapr.io/developing-applications/sdks/dotnet/)

examples/AspNetCore/SecretStoreConfigurationProviderSample/SecretStoreConfigurationProviderSample.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

examples/Client/ConfigurationApi/ConfigurationApi.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6</TargetFramework>
   </PropertyGroup>
 
 

examples/Client/ConfigurationApi/README.md

@@ -9,7 +9,7 @@ It demonstrates the following APIs:
 
 ## Prerequisites
 
-- [.NET Core 3.1 or .NET 5+](https://dotnet.microsoft.com/download) installed
+- [.NET 6+](https://dotnet.microsoft.com/download) installed
 - [Dapr CLI](https://docs.dapr.io/getting-started/install-dapr-cli/)
 - [Initialized Dapr environment](https://docs.dapr.io/getting-started/install-dapr-selfhost/)
 - [Dapr .NET SDK](https://docs.dapr.io/developing-applications/sdks/dotnet/)

examples/Client/DistributedLock/DistributedLock.csproj

@@ -6,7 +6,7 @@
   </ItemGroup>
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6</TargetFramework>
   </PropertyGroup>
 
 

examples/Client/DistributedLock/README.md

@@ -2,7 +2,7 @@
 
 ## Prerequisites
 
-- [.NET Core 3.1 or .NET 5+](https://dotnet.microsoft.com/download) installed
+- [.NET 6+](https://dotnet.microsoft.com/download) installed
 - [Dapr CLI](https://docs.dapr.io/getting-started/install-dapr-cli/)
 - [Initialized Dapr environment](https://docs.dapr.io/getting-started/install-dapr-selfhost/)
 - [Dapr .NET SDK](https://docs.dapr.io/developing-applications/sdks/dotnet/)

examples/Client/PublishSubscribe/BulkPublishEventExample/BulkPublishEventExample.csproj

@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <OutputType>Exe</OutputType>
-        <TargetFramework>netcoreapp3.1</TargetFramework>
+        <TargetFramework>net6</TargetFramework>
         <RootNamespace>Samples.Client</RootNamespace>
         <Nullable>enable</Nullable>
     </PropertyGroup>

examples/Client/PublishSubscribe/PublishEventExample/PublishEventExample.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6</TargetFramework>
     <RootNamespace>Samples.Client</RootNamespace>
     <Nullable>enable</Nullable>
   </PropertyGroup>

examples/Client/ServiceInvocation/README.md

@@ -2,7 +2,7 @@
 
 ## Prerequisites
 
-- [.NET Core 3.1 or .NET 5+](https://dotnet.microsoft.com/download) installed
+- [.NET 6+](https://dotnet.microsoft.com/download) installed
 - [Dapr CLI](https://docs.dapr.io/getting-started/install-dapr-cli/)
 - [Initialized Dapr environment](https://docs.dapr.io/getting-started/install-dapr-selfhost/)
 - [Dapr .NET SDK](https://docs.dapr.io/developing-applications/sdks/dotnet/)

examples/Client/ServiceInvocation/ServiceInvocation.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6</TargetFramework>
     <RootNamespace>Samples.Client</RootNamespace>
     <Nullable>enable</Nullable>
   </PropertyGroup>

examples/Client/StateManagement/README.md

@@ -2,7 +2,7 @@
 
 ## Prerequisites
 
-- [.NET Core 3.1 or .NET 5+](https://dotnet.microsoft.com/download) installed
+- [.NET 6+](https://dotnet.microsoft.com/download) installed
 - [Dapr CLI](https://docs.dapr.io/getting-started/install-dapr-cli/)
 - [Initialized Dapr environment](https://docs.dapr.io/getting-started/install-dapr-selfhost/)
 - [Dapr .NET SDK](https://docs.dapr.io/developing-applications/sdks/dotnet/)

examples/Client/StateManagement/StateManagement.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6</TargetFramework>
     <RootNamespace>Samples.Client</RootNamespace>
     <Nullable>enable</Nullable>
   </PropertyGroup>

properties/IsExternalInit.cs

@@ -13,6 +13,5 @@ namespace System.Runtime.CompilerServices
     internal static class IsExternalInit
     {
     }
-
-    // This is a polyfill for init only properties in netcoreapp3.1
+
 }

src/Dapr.Actors.AspNetCore/Dapr.Actors.AspNetCore.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6</TargetFramework>
   </PropertyGroup>
   <ItemGroup>
     <FrameworkReference Include="Microsoft.AspNetCore.App" />

src/Dapr.Actors/Communication/ActorInvokeException.cs

@@ -93,7 +93,7 @@ internal static bool TryDeserialize(Stream stream, out Exception result, ILogger
             catch (Exception e)
             {
                 // swallowing the exception
-                logger?.LogWarning("RemoteException", "DeSerialization failed : Reason  {0}", e);
+                logger?.LogWarning("RemoteException: DeSerialization failed : Reason {0}", e);
             }
 
             result = null;

src/Dapr.Actors/Dapr.Actors.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6</TargetFramework>
   </PropertyGroup>
 
   <!-- Additional Nuget package properties. -->

src/Dapr.AspNetCore/Dapr.AspNetCore.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6</TargetFramework>
   </PropertyGroup>
 
   <!-- Additional Nuget package properties. -->

src/Dapr.Client/Dapr.Client.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

src/Dapr.Client/DaprClientGrpc.cs

@@ -352,14 +352,10 @@
             //
             // This approach avoids some common pitfalls that could lead to undesired encoding.
             var path = $"/v1.0/invoke/{appId}/method/{methodName.TrimStart('/')}";
-            var request = new HttpRequestMessage(httpMethod, new Uri(this.httpEndpoint, path))
-            {
-                Properties =
-                {
-                    { AppIdKey, appId },
-                    { MethodNameKey, methodName },
-                }
-            };
+            var request = new HttpRequestMessage(httpMethod, new Uri(this.httpEndpoint, path));
+
+            request.Options.Set(new HttpRequestOptionsKey<string>(AppIdKey), appId);
+            request.Options.Set(new HttpRequestOptionsKey<string>(MethodNameKey), methodName);
 
             if (this.apiTokenHeader is not null)
             {
@@ -399,8 +395,8 @@
             {
                 // Our code path for creating requests places these keys in the request properties. We don't want to fail
                 // if they are not present.
-                request.Properties.TryGetValue(AppIdKey, out var appId);
-                request.Properties.TryGetValue(MethodNameKey, out var methodName);
+                request.Options.TryGetValue(new HttpRequestOptionsKey<string>(AppIdKey), out var appId);
+                request.Options.TryGetValue(new HttpRequestOptionsKey<string>(MethodNameKey), out var methodName);
 
                 throw new InvocationException(
                     appId: appId as string,
@@ -423,8 +419,8 @@
             {
                 // Our code path for creating requests places these keys in the request properties. We don't want to fail
                 // if they are not present.
-                request.Properties.TryGetValue(AppIdKey, out var appId);
-                request.Properties.TryGetValue(MethodNameKey, out var methodName);
+                request.Options.TryGetValue(new HttpRequestOptionsKey<string>(AppIdKey), out var appId);
+                request.Options.TryGetValue(new HttpRequestOptionsKey<string>(MethodNameKey), out var methodName);
 
                 throw new InvocationException(
                     appId: appId as string,
@@ -447,8 +443,8 @@
             {
                 // Our code path for creating requests places these keys in the request properties. We don't want to fail
                 // if they are not present.
-                request.Properties.TryGetValue(AppIdKey, out var appId);
-                request.Properties.TryGetValue(MethodNameKey, out var methodName);
+                request.Options.TryGetValue(new HttpRequestOptionsKey<string>(AppIdKey), out var appId);
+                request.Options.TryGetValue(new HttpRequestOptionsKey<string>(MethodNameKey), out var methodName);
 
                 throw new InvocationException(
                     appId: appId as string,
@@ -465,8 +461,8 @@
             {
                 // Our code path for creating requests places these keys in the request properties. We don't want to fail
                 // if they are not present.
-                request.Properties.TryGetValue(AppIdKey, out var appId);
-                request.Properties.TryGetValue(MethodNameKey, out var methodName);
+                request.Options.TryGetValue(new HttpRequestOptionsKey<string>(AppIdKey), out var appId);
+                request.Options.TryGetValue(new HttpRequestOptionsKey<string>(MethodNameKey), out var methodName);
 
                 throw new InvocationException(
                     appId: appId as string,
@@ -476,8 +472,8 @@
             }
             catch (JsonException ex)
             {
-                request.Properties.TryGetValue(AppIdKey, out var appId);
-                request.Properties.TryGetValue(MethodNameKey, out var methodName);
+                request.Options.TryGetValue(new HttpRequestOptionsKey<string>(AppIdKey), out var appId);
+                request.Options.TryGetValue(new HttpRequestOptionsKey<string>(MethodNameKey), out var methodName);
 
                 throw new InvocationException(
                     appId: appId as string,

src/Dapr.Client/InvocationHandler.cs

@@ -117,7 +117,7 @@ protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage
         }
 
         // Internal for testing
-        internal bool TryRewriteUri(Uri uri, [NotNullWhen(true)] out Uri? rewritten)
+        internal bool TryRewriteUri(Uri? uri, [NotNullWhen(true)] out Uri? rewritten)
         {
             // For now the only invalid cases are when the request URI is missing or just silly.
             // We may support additional cases for validation in the future (like an allow-list of App-Ids).

src/Dapr.Extensions.Configuration/Dapr.Extensions.Configuration.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
 

src/Dapr.Workflow/Dapr.Workflow.csproj

@@ -2,7 +2,7 @@
 
   <!-- NuGet configuration -->
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp3.1;net6;net7</TargetFrameworks>
+    <TargetFrameworks>net6;net7</TargetFrameworks>
     <Nullable>enable</Nullable>
     <PackageId>Dapr.Workflow</PackageId>
     <Title>Dapr Workflow Authoring SDK</Title>

test/Dapr.Actors.AspNetCore.IntegrationTest.App/Dapr.Actors.AspNetCore.IntegrationTest.App.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp3.1;net6;net7</TargetFrameworks>
+    <TargetFrameworks>net6;net7</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>

test/Dapr.Actors.AspNetCore.IntegrationTest/Dapr.Actors.AspNetCore.IntegrationTest.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp3.1;net6;net7</TargetFrameworks>
+    <TargetFrameworks>net6;net7</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>

test/Dapr.Actors.AspNetCore.Test/Dapr.Actors.AspNetCore.Test.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp3.1;net6;net7</TargetFrameworks>
+    <TargetFrameworks>net6;net7</TargetFrameworks>
     <BaseNamespace>Dapr.Actors.AspNetCore</BaseNamespace>
   </PropertyGroup>