[#6741] Update projects to .Net 8

FunctionalTests/Microsoft.Bot.Builder.FunctionalTests/Microsoft.Bot.Builder.FunctionalTests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsPackable>false</IsPackable>
     <Configurations>Debug;Release;</Configurations>
   </PropertyGroup>

build/onebranch/ci-api-validation-steps.yml

@@ -2,7 +2,7 @@ steps:
 - task: DownloadPipelineArtifact@2
   displayName: 'Download BotBuilderDLLs from Artifacts'
   inputs:
-    artifactName: 'BotBuilderDLLs-Debug-Windows-netcoreapp31'
+    artifactName: 'BotBuilderDLLs-Debug-Windows-net8'
     targetPath: '$(System.ArtifactsDirectory)/OutputDlls'
 
 - task: DownloadPipelineArtifact@2

build/onebranch/ci-test-steps.yml

@@ -33,7 +33,6 @@ steps:
     command: test
     projects: |
      Tests/**/*Tests.csproj
-
     arguments: '-v n  -f netcoreapp3.1 --configuration release --no-build --no-restore --filter "TestCategory!=IgnoreInAutomatedBuild&TestCategory!=FunctionalTests" --collect:"Code Coverage" --settings $(Build.SourcesDirectory)\CodeCoverage.runsettings'
   condition: and(succeeded(), eq(variables['BuildConfiguration'],'Release-Windows'), eq(variables['BuildTarget'],'netcoreapp31'))
 
@@ -47,6 +46,16 @@ steps:
     arguments: '-v n  -f net6.0 --configuration release --no-build --no-restore --filter "TestCategory!=IgnoreInAutomatedBuild&TestCategory!=FunctionalTests" --collect:"Code Coverage" --settings $(Build.SourcesDirectory)\CodeCoverage.runsettings'
   condition: and(succeeded(), eq(variables['BuildConfiguration'],'Release-Windows'), eq(variables['BuildTarget'],'net6'))
 
+- task: DotNetCoreCLI@2
+  displayName: 'dotnet test (release) 8.0'
+  inputs:
+    command: test
+    projects: |
+     Tests/**/*Tests.csproj
+
+    arguments: '-v n  -f net8.0 --configuration release --no-build --no-restore --filter "TestCategory!=IgnoreInAutomatedBuild&TestCategory!=FunctionalTests" --collect:"Code Coverage" --settings $(Build.SourcesDirectory)\CodeCoverage.runsettings'
+  condition: and(succeeded(), eq(variables['BuildConfiguration'],'Release-Windows'), eq(variables['BuildTarget'],'net8'))
+
 - powershell: |
    # This task copies the code coverage file created by dotnet test into a well known location. In all
    # checks I've done, dotnet test ALWAYS outputs the coverage file to the temp directory. 

build/onebranch/pr.yml

@@ -58,6 +58,14 @@ stages:
     - template: ci-build-steps.yml
     - template: ci-test-steps.yml
     - template: ci-component-detection-steps.yml
+  - job: Debug_Windows_Configuration_8
+    variables:
+      BuildConfiguration: Debug-Windows
+      BuildTarget: 'net8' # set the TargetFramework property for tests to use net8.0
+    steps:
+    - template: ci-build-steps.yml
+    - template: ci-test-steps.yml
+    - template: ci-component-detection-steps.yml
   - job: Release_Windows_Configuration_31
     variables:
       BuildConfiguration: Release-Windows
@@ -70,6 +78,14 @@ stages:
     variables:
       BuildConfiguration: Release-Windows
       BuildTarget: 'net6' # set the TargetFramework property for tests to use net6.0
+    steps:
+    - template: ci-build-steps.yml
+    - template: ci-test-steps.yml
+    - template: ci-component-detection-steps.yml
+  - job: Release_Windows_Configuration_8
+    variables:
+      BuildConfiguration: Release-Windows
+      BuildTarget: 'net8' # set the TargetFramework property for tests to use net8.0
       PublishCoverage: true
     steps:
     - template: ci-build-steps.yml

build/yaml/botbuilder-dotnet-ci-mac.yml

@@ -24,9 +24,9 @@ steps:
     version: 6.0.x
 
 - task: UseDotNet@2
-  displayName: 'Use .Net Core sdk 3.1.101'
+  displayName: 'Use .Net sdk 8.0'
   inputs:
-    version: 3.1.101
+    version: 8.0.x
 
 - powershell: 'gci env:* | sort-object name | Format-Table -AutoSize -Wrap'
   displayName: 'Display env vars'

build/yaml/botbuilder-dotnet-ci.yml

@@ -58,6 +58,14 @@ stages:
     - template: ci-build-steps.yml
     - template: ci-test-steps.yml
     - template: ci-component-detection-steps.yml
+  - job: Debug_Windows_Configuration_8
+    variables:
+      BuildConfiguration: Debug-Windows
+      BuildTarget: 'net8' # set the TargetFramework property for tests to use net8.0
+    steps:
+    - template: ci-build-steps.yml
+    - template: ci-test-steps.yml
+    - template: ci-component-detection-steps.yml
   - job: Release_Windows_Configuration_31
     variables:
       BuildConfiguration: Release-Windows
@@ -70,6 +78,14 @@ stages:
     variables:
       BuildConfiguration: Release-Windows
       BuildTarget: 'net6' # set the TargetFramework property for tests to use net6.0
+    steps:
+    - template: ci-build-steps.yml
+    - template: ci-test-steps.yml
+    - template: ci-component-detection-steps.yml
+  - job: Release_Windows_Configuration_8
+    variables:
+      BuildConfiguration: Release-Windows
+      BuildTarget: 'net8' # set the TargetFramework property for tests to use net8.0
       PublishCoverage: true
     steps:
     - template: ci-build-steps.yml

build/yaml/ci-api-validation-steps.yml

@@ -2,7 +2,7 @@ steps:
 - task: DownloadPipelineArtifact@2
   displayName: 'Download BotBuilderDLLs from Artifacts'
   inputs:
-    artifactName: 'BotBuilderDLLs-Debug-Windows-netcoreapp31'
+    artifactName: 'BotBuilderDLLs-Debug-Windows-net8'
     targetPath: '$(System.ArtifactsDirectory)/OutputDlls'
 
 - task: DownloadPipelineArtifact@2

build/yaml/ci-test-steps.yml

@@ -33,7 +33,6 @@ steps:
     command: test
     projects: |
      Tests/**/*Tests.csproj
-
     arguments: '-v n  -f netcoreapp3.1 --configuration release --no-build --no-restore --filter "TestCategory!=IgnoreInAutomatedBuild&TestCategory!=FunctionalTests" --collect:"Code Coverage" --settings $(Build.SourcesDirectory)\CodeCoverage.runsettings'
   condition: and(succeeded(), eq(variables['BuildConfiguration'],'Release-Windows'), eq(variables['BuildTarget'],'netcoreapp31'))
 
@@ -47,6 +46,16 @@ steps:
     arguments: '-v n  -f net6.0 --configuration release --no-build --no-restore --filter "TestCategory!=IgnoreInAutomatedBuild&TestCategory!=FunctionalTests" --collect:"Code Coverage" --settings $(Build.SourcesDirectory)\CodeCoverage.runsettings'
   condition: and(succeeded(), eq(variables['BuildConfiguration'],'Release-Windows'), eq(variables['BuildTarget'],'net6'))
 
+- task: DotNetCoreCLI@2
+  displayName: 'dotnet test (release) 8.0'
+  inputs:
+    command: test
+    projects: |
+     Tests/**/*Tests.csproj
+
+    arguments: '-v n  -f net8.0 --configuration release --no-build --no-restore --filter "TestCategory!=IgnoreInAutomatedBuild&TestCategory!=FunctionalTests" --collect:"Code Coverage" --settings $(Build.SourcesDirectory)\CodeCoverage.runsettings'
+  condition: and(succeeded(), eq(variables['BuildConfiguration'],'Release-Windows'), eq(variables['BuildTarget'],'net8'))
+
 - powershell: |
    # This task copies the code coverage file created by dotnet test into a well known location. In all
    # checks I've done, dotnet test ALWAYS outputs the coverage file to the temp directory. 

libraries/Microsoft.Bot.Builder.Dialogs.Adaptive.Runtime/Microsoft.Bot.Builder.Dialogs.Adaptive.Runtime.csproj

@@ -10,7 +10,7 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netcoreapp3.1;net6.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netcoreapp3.1;net6.0;net8.0</TargetFrameworks>
     <PackageId>Microsoft.Bot.Builder.Dialogs.Adaptive.Runtime</PackageId>
     <Description>Library for building Adaptive Runtime bots using the Bot Framework SDK</Description>
     <Summary>Library for building Adaptive Runtime bots using the Bot Framework SDK</Summary>
@@ -22,13 +22,18 @@
     <DebugSymbols>true</DebugSymbols>
   </PropertyGroup>
 
+  <!--It is necessary to separate these conditionals in order to avoid nuget restore errors with netcoreapp3.1.-->
   <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.1'">
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
   </ItemGroup>
-
+  
   <ItemGroup Condition="'$(TargetFramework)' == 'net6.0'">
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
   </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
+    <FrameworkReference Include="Microsoft.AspNetCore.App" />
+  </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
     <PackageReference Include="System.Text.Encodings.Web" Version="5.0.1" />

libraries/integration/Microsoft.Bot.Builder.Integration.ApplicationInsights.Core/Microsoft.Bot.Builder.Integration.ApplicationInsights.Core.csproj

@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netcoreapp3.1;net6.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netcoreapp3.1;net6.0;net8.0</TargetFrameworks>
     <PackageId>Microsoft.Bot.Builder.Integration.ApplicationInsights.Core</PackageId>
     <Description>This library integrates the Microsoft Bot Builder SDK with Application Insights.</Description>
     <Summary>This library provides integration between the Microsoft Bot Builder SDK and Application Insights.</Summary>
@@ -20,6 +20,7 @@
     <DebugSymbols>true</DebugSymbols>
   </PropertyGroup>
 
+  <!--It is necessary to separate these conditionals in order to avoid nuget restore errors with netcoreapp3.1.-->
   <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.1'">
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
     <PackageReference Include="System.Drawing.Common" Version="4.7.2" />
@@ -28,10 +29,18 @@
     <PackageReference Include="Microsoft.AspNetCore.Http" Version="2.2.0" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'net6.0'">
+   <ItemGroup Condition="'$(TargetFramework)' == 'net6.0'">
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
     <PackageReference Include="System.Drawing.Common" Version="4.7.2" />
-    <PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.21.0" />
+    <PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.21.0" />    
+    <!-- Force Microsoft.AspNetCore.Http to a safe version. -->
+    <PackageReference Include="Microsoft.AspNetCore.Http" Version="2.2.0" />
+  </ItemGroup>
+
+   <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
+    <FrameworkReference Include="Microsoft.AspNetCore.App" />
+    <PackageReference Include="System.Drawing.Common" Version="4.7.2" />
+    <PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.21.0" />    
     <!-- Force Microsoft.AspNetCore.Http to a safe version. -->
     <PackageReference Include="Microsoft.AspNetCore.Http" Version="2.2.0" />
   </ItemGroup>

libraries/integration/Microsoft.Bot.Builder.Integration.AspNet.Core/Microsoft.Bot.Builder.Integration.AspNet.Core.csproj

@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netcoreapp3.1;net6.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netcoreapp3.1;net6.0;net8.0</TargetFrameworks>
     <Description>This library integrates the Microsoft Bot Builder SDK with ASP.NET Core. It offers idiomatic configuration APIs in addition to providing all the plumbing to direct incoming bot messages to a configured bot.</Description>
     <Summary>This library provides integration between the Microsoft Bot Builder SDK and ASP.NET Core.</Summary>
   </PropertyGroup>
@@ -19,14 +19,19 @@
     <DebugSymbols>true</DebugSymbols>
   </PropertyGroup>
 
+  <!--It is necessary to separate these conditionals in order to avoid nuget restore errors with netcoreapp3.1.-->
   <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.1'">
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'net6.0'">
+    <ItemGroup Condition="'$(TargetFramework)' == 'net6.0'">
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
   </ItemGroup>
-
+
+    <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
+    <FrameworkReference Include="Microsoft.AspNetCore.App" />
+  </ItemGroup>
+
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
     <!-- Explicitly set to 5.0.1 for those built against 2.0-->
     <PackageReference Include="System.Text.Encodings.Web" Version="5.0.1" />

tests/Adapters/Microsoft.Bot.Builder.Adapters.Facebook.PrimaryTestBot/Microsoft.Bot.Builder.Adapters.Facebook.PrimaryTestBot.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <UserSecretsId>594af4a1-e396-4609-8198-d665eb0c1f78</UserSecretsId>
   </PropertyGroup>
 

tests/Adapters/Microsoft.Bot.Builder.Adapters.Facebook.SecondaryTestBot/Microsoft.Bot.Builder.Adapters.Facebook.SecondaryTestBot.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <UserSecretsId>dae2bae8-b3c8-4b83-8b3c-4022669c7a20</UserSecretsId>
   </PropertyGroup>
 

tests/Adapters/Microsoft.Bot.Builder.Adapters.Facebook.Tests/Microsoft.Bot.Builder.Adapters.Facebook.Tests.csproj

@@ -3,7 +3,8 @@
   <PropertyGroup>
     <TargetFramework Condition="'$(BuildTarget)' == 'netcoreapp31'">netcoreapp3.1</TargetFramework>
     <TargetFramework Condition="'$(BuildTarget)' == 'net6'">net6.0</TargetFramework>
-    <TargetFrameworks Condition="'$(BuildTarget)' == ''">netcoreapp3.1;net6.0</TargetFrameworks>
+    <TargetFramework Condition="'$(BuildTarget)' == 'net8'">net8.0</TargetFramework>
+    <TargetFrameworks Condition="'$(BuildTarget)' == ''">netcoreapp3.1;net6.0;net8.0</TargetFrameworks>
 
     <IsPackable>false</IsPackable>
 

tests/Adapters/Microsoft.Bot.Builder.Adapters.Slack.TestBot/Microsoft.Bot.Builder.Adapters.Slack.TestBot.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <!-- The SlackAPI package isn't signed, so supress the warning. There seems to not be a way to supress this for ONLY SlackAPI. -->
     <NoWarn>$(NoWarn),CS8002</NoWarn>
     <UserSecretsId>3c783a33-e2a5-4acd-99dd-581d563d47e3</UserSecretsId>

tests/Adapters/Microsoft.Bot.Builder.Adapters.Slack.Tests/Microsoft.Bot.Builder.Adapters.Slack.Tests.csproj

@@ -3,7 +3,8 @@
   <PropertyGroup>
     <TargetFramework Condition="'$(BuildTarget)' == 'netcoreapp31'">netcoreapp3.1</TargetFramework>
     <TargetFramework Condition="'$(BuildTarget)' == 'net6'">net6.0</TargetFramework>
-    <TargetFrameworks Condition="'$(BuildTarget)' == ''">netcoreapp3.1;net6.0</TargetFrameworks>
+    <TargetFramework Condition="'$(BuildTarget)' == 'net8'">net8.0</TargetFramework>
+    <TargetFrameworks Condition="'$(BuildTarget)' == ''">netcoreapp3.1;net6.0;net8.0</TargetFrameworks>
     <IsPackable>false</IsPackable>
   </PropertyGroup>
 

tests/Adapters/Microsoft.Bot.Builder.Adapters.Twilio.TestBot/Microsoft.Bot.Builder.Adapters.Twilio.TestBot.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <LangVersion>latest</LangVersion>
   </PropertyGroup>
 

tests/Adapters/Microsoft.Bot.Builder.Adapters.Twilio.Tests/Microsoft.Bot.Builder.Adapters.Twilio.Tests.csproj

@@ -3,7 +3,8 @@
   <PropertyGroup>
     <TargetFramework Condition="'$(BuildTarget)' == 'netcoreapp31'">netcoreapp3.1</TargetFramework>
     <TargetFramework Condition="'$(BuildTarget)' == 'net6'">net6.0</TargetFramework>
-    <TargetFrameworks Condition="'$(BuildTarget)' == ''">netcoreapp3.1;net6.0</TargetFrameworks>
+    <TargetFramework Condition="'$(BuildTarget)' == 'net8'">net8.0</TargetFramework>
+    <TargetFrameworks Condition="'$(BuildTarget)' == ''">netcoreapp3.1;net6.0;net8.0</TargetFrameworks>
 
     <IsPackable>false</IsPackable>
 

tests/Adapters/Microsoft.Bot.Builder.Adapters.Webex.TestBot/Microsoft.Bot.Builder.Adapters.Webex.TestBot.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <!-- The WebExTeams package isn't signed, so supress the warning. -->
     <NoWarn>$(NoWarn),CS8002</NoWarn>
     <UserSecretsId>63730bc1-f7d4-4b32-8efe-ce03907b3e0a</UserSecretsId>

tests/Adapters/Microsoft.Bot.Builder.Adapters.Webex.Tests/Microsoft.Bot.Builder.Adapters.Webex.Tests.csproj

@@ -3,7 +3,8 @@
   <PropertyGroup>
     <TargetFramework Condition="'$(BuildTarget)' == 'netcoreapp31'">netcoreapp3.1</TargetFramework>
     <TargetFramework Condition="'$(BuildTarget)' == 'net6'">net6.0</TargetFramework>
-    <TargetFrameworks Condition="'$(BuildTarget)' == ''">netcoreapp3.1;net6.0</TargetFrameworks>
+    <TargetFramework Condition="'$(BuildTarget)' == 'net8'">net8.0</TargetFramework>
+    <TargetFrameworks Condition="'$(BuildTarget)' == ''">netcoreapp3.1;net6.0;net8.0</TargetFrameworks>
 
     <IsPackable>false</IsPackable>
     <!-- The Thrzn41.WebexTeams package isn't signed, so supress the warning. There seems to not be a way to supress this for ONLY Thrzn41.WebexTeams. -->

tests/AdaptiveExpressions.Tests/AdaptiveExpressions.Tests.csproj

@@ -3,7 +3,8 @@
   <PropertyGroup>
     <TargetFramework Condition="'$(BuildTarget)' == 'netcoreapp31'">netcoreapp3.1</TargetFramework>
     <TargetFramework Condition="'$(BuildTarget)' == 'net6'">net6.0</TargetFramework>
-    <TargetFrameworks Condition="'$(BuildTarget)' == ''">netcoreapp3.1;net6.0</TargetFrameworks>
+    <TargetFramework Condition="'$(BuildTarget)' == 'net8'">net8.0</TargetFramework>
+    <TargetFrameworks Condition="'$(BuildTarget)' == ''">netcoreapp3.1;net6.0;net8.0</TargetFrameworks>
 
     <IsPackable>false</IsPackable>
 

tests/Auth/bot-authentication/AuthenticationBot.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <LangVersion>latest</LangVersion>
   </PropertyGroup>
 

tests/Microsoft.Bot.Builder.AI.LUIS.Tests/Microsoft.Bot.Builder.AI.Luis.Tests.csproj

@@ -2,7 +2,8 @@
   <PropertyGroup>
     <TargetFramework Condition="'$(BuildTarget)' == 'netcoreapp31'">netcoreapp3.1</TargetFramework>
     <TargetFramework Condition="'$(BuildTarget)' == 'net6'">net6.0</TargetFramework>
-    <TargetFrameworks Condition="'$(BuildTarget)' == ''">netcoreapp3.1;net6.0</TargetFrameworks>
+    <TargetFramework Condition="'$(BuildTarget)' == 'net8'">net8.0</TargetFramework>
+    <TargetFrameworks Condition="'$(BuildTarget)' == ''">netcoreapp3.1;net6.0;net8.0</TargetFrameworks>
     <IsPackable>false</IsPackable>
     <GenerateDocumentationFile>false</GenerateDocumentationFile>
     <Configurations>Debug;Release</Configurations>

tests/Microsoft.Bot.Builder.AI.Luis.TestUtils/Microsoft.Bot.Builder.AI.Luis.TestUtils.csproj

@@ -3,7 +3,8 @@
   <PropertyGroup>
     <TargetFramework Condition="'$(BuildTarget)' == 'netcoreapp31'">netcoreapp3.1</TargetFramework>
     <TargetFramework Condition="'$(BuildTarget)' == 'net6'">net6.0</TargetFramework>
-    <TargetFrameworks Condition="'$(BuildTarget)' == ''">netcoreapp3.1;net6.0</TargetFrameworks>
+    <TargetFramework Condition="'$(BuildTarget)' == 'net8'">net8.0</TargetFramework>
+    <TargetFrameworks Condition="'$(BuildTarget)' == ''">netcoreapp3.1;net6.0;net8.0</TargetFrameworks>
     <Configurations>Debug;Release</Configurations>
   </PropertyGroup>
 

tests/Microsoft.Bot.Builder.AI.Orchestrator.Tests/Microsoft.Bot.Builder.AI.Orchestrator.Tests.csproj

@@ -3,7 +3,8 @@
   <PropertyGroup>
     <TargetFramework Condition="'$(BuildTarget)' == 'netcoreapp31'">netcoreapp3.1</TargetFramework>
     <TargetFramework Condition="'$(BuildTarget)' == 'net6'">net6.0</TargetFramework>
-    <TargetFrameworks Condition="'$(BuildTarget)' == ''">netcoreapp3.1;net6.0</TargetFrameworks>
+    <TargetFramework Condition="'$(BuildTarget)' == 'net8'">net8.0</TargetFramework>
+    <TargetFrameworks Condition="'$(BuildTarget)' == ''">netcoreapp3.1;net6.0;net8.0</TargetFrameworks>
     <IsPackable>false</IsPackable>
     <GenerateDocumentationFile>false</GenerateDocumentationFile>
     <Configurations>Debug;Release</Configurations>

tests/Microsoft.Bot.Builder.AI.QnA.Tests/Microsoft.Bot.Builder.AI.QnA.Tests.csproj

@@ -3,7 +3,8 @@
   <PropertyGroup>
     <TargetFramework Condition="'$(BuildTarget)' == 'netcoreapp31'">netcoreapp3.1</TargetFramework>
     <TargetFramework Condition="'$(BuildTarget)' == 'net6'">net6.0</TargetFramework>
-    <TargetFrameworks Condition="'$(BuildTarget)' == ''">netcoreapp3.1;net6.0</TargetFrameworks>
+    <TargetFramework Condition="'$(BuildTarget)' == 'net8'">net8.0</TargetFramework>
+    <TargetFrameworks Condition="'$(BuildTarget)' == ''">netcoreapp3.1;net6.0;net8.0</TargetFrameworks>
     <IsPackable>false</IsPackable>
     <GenerateDocumentationFile>false</GenerateDocumentationFile>
     <Configurations>Debug;Release</Configurations>