diff --git a/.github/workflows/Component.BuildTest.yml b/.github/workflows/Component.BuildTest.yml
index 803606e931..dc571bb118 100644
--- a/.github/workflows/Component.BuildTest.yml
+++ b/.github/workflows/Component.BuildTest.yml
@@ -22,7 +22,7 @@ on:
         required: false
         type: string
       tfm-list:
-        default: '[ "net462", "net8.0" ]'
+        default: '[ "net462", "net8.0", "net9.0" ]'
         required: false
         type: string
       test-case-filter:
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c116d7d555..1557da70f4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -197,7 +197,7 @@ jobs:
     with:
       project-name: OpenTelemetry.Instrumentation.AspNetCore
       code-cov-name: Instrumentation.AspNetCore
-      tfm-list: '[ "net8.0" ]'
+      tfm-list: '[ "net8.0", "net9.0" ]'
 
   build-test-instrumentation-aws:
     needs: detect-changes
@@ -279,7 +279,7 @@ jobs:
     with:
       project-name: OpenTelemetry.Instrumentation.EventCounters
       code-cov-name: Instrumentation.EventCounters
-      tfm-list: '[ "net8.0" ]'
+      tfm-list: '[ "net8.0", "net9.0" ]'
 
   build-test-instrumentation-grpccore:
     needs: detect-changes
diff --git a/build/Common.nonprod.props b/build/Common.nonprod.props
index 57551d83b0..8e50abe1da 100644
--- a/build/Common.nonprod.props
+++ b/build/Common.nonprod.props
@@ -29,8 +29,9 @@
     <MicrosoftExtensionsHostingPkgVer>8.0.1</MicrosoftExtensionsHostingPkgVer>
     <MicrosoftNETTestSdkPkgVer>[17.11.1,18.0)</MicrosoftNETTestSdkPkgVer>
     <OpenTelemetryExporterInMemoryPkgVer>$(OpenTelemetryCoreLatestVersion)</OpenTelemetryExporterInMemoryPkgVer>
-    <SupportedNetTargets>net8.0</SupportedNetTargets>
-    <TargetFrameworksForAotCompatibilityTests>net9.0;net8.0</TargetFrameworksForAotCompatibilityTests>
+    <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
+    <SupportedNetTargets>net9.0;net8.0</SupportedNetTargets>
+    <SupportedNetTargetsWithoutNet9>net8.0</SupportedNetTargetsWithoutNet9>
     <XUnitRunnerVisualStudioPkgVer>[2.8.2,3.0)</XUnitRunnerVisualStudioPkgVer>
     <XUnitPkgVer>[2.9.0,3.0)</XUnitPkgVer>
     <WiremockNetPkgVer>[1.6.3,2.0)</WiremockNetPkgVer>
diff --git a/test/OpenTelemetry.AotCompatibility.TestApp/OpenTelemetry.AotCompatibility.TestApp.csproj b/test/OpenTelemetry.AotCompatibility.TestApp/OpenTelemetry.AotCompatibility.TestApp.csproj
index 10ec3c7e99..f033f77641 100644
--- a/test/OpenTelemetry.AotCompatibility.TestApp/OpenTelemetry.AotCompatibility.TestApp.csproj
+++ b/test/OpenTelemetry.AotCompatibility.TestApp/OpenTelemetry.AotCompatibility.TestApp.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFrameworks>$(TargetFrameworksForAotCompatibilityTests)</TargetFrameworks>
+    <TargetFrameworks>$(SupportedNetTargets)</TargetFrameworks>
     <PublishAot>true</PublishAot>
     <TrimmerSingleWarn>false</TrimmerSingleWarn>
     <EventSourceSupport>true</EventSourceSupport>
diff --git a/test/OpenTelemetry.Exporter.Geneva.Benchmarks/OpenTelemetry.Exporter.Geneva.Benchmarks.csproj b/test/OpenTelemetry.Exporter.Geneva.Benchmarks/OpenTelemetry.Exporter.Geneva.Benchmarks.csproj
index 3a6871c3b7..6c83c7a14b 100644
--- a/test/OpenTelemetry.Exporter.Geneva.Benchmarks/OpenTelemetry.Exporter.Geneva.Benchmarks.csproj
+++ b/test/OpenTelemetry.Exporter.Geneva.Benchmarks/OpenTelemetry.Exporter.Geneva.Benchmarks.csproj
@@ -3,7 +3,6 @@
   <Import Project="$(RepoRoot)\src\OpenTelemetry.Exporter.Geneva\Common.GenevaExporter.props"/>
 
   <PropertyGroup>
-    <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
     <TargetFrameworks>$(SupportedNetTargets)</TargetFrameworks>
     <TargetFrameworks Condition="$(OS) == 'Windows_NT'">$(TargetFrameworks);net48;net472;net471;net47;net462</TargetFrameworks>
     <OutputType>Exe</OutputType>
diff --git a/test/OpenTelemetry.Exporter.Geneva.Stress/OpenTelemetry.Exporter.Geneva.Stress.csproj b/test/OpenTelemetry.Exporter.Geneva.Stress/OpenTelemetry.Exporter.Geneva.Stress.csproj
index 435acd8b5d..d78dacb3e9 100644
--- a/test/OpenTelemetry.Exporter.Geneva.Stress/OpenTelemetry.Exporter.Geneva.Stress.csproj
+++ b/test/OpenTelemetry.Exporter.Geneva.Stress/OpenTelemetry.Exporter.Geneva.Stress.csproj
@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
     <TargetFrameworks>$(SupportedNetTargets)</TargetFrameworks>
     <TargetFrameworks Condition="$(OS) == 'Windows_NT'">$(TargetFrameworks);net48;net472;net471;net47;net462</TargetFrameworks>
     <OutputType>Exe</OutputType>
diff --git a/test/OpenTelemetry.Exporter.Geneva.Tests/OpenTelemetry.Exporter.Geneva.Tests.csproj b/test/OpenTelemetry.Exporter.Geneva.Tests/OpenTelemetry.Exporter.Geneva.Tests.csproj
index 31ae1a4442..2d51d7d2f1 100644
--- a/test/OpenTelemetry.Exporter.Geneva.Tests/OpenTelemetry.Exporter.Geneva.Tests.csproj
+++ b/test/OpenTelemetry.Exporter.Geneva.Tests/OpenTelemetry.Exporter.Geneva.Tests.csproj
@@ -3,7 +3,6 @@
   <Import Project="$(RepoRoot)\src\OpenTelemetry.Exporter.Geneva\Common.GenevaExporter.props" />
 
   <PropertyGroup>
-    <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
     <TargetFrameworks>$(SupportedNetTargets)</TargetFrameworks>
     <TargetFrameworks Condition="$(OS) == 'Windows_NT'">$(TargetFrameworks);net48;net472;net471;net47;net462</TargetFrameworks>
     <Description>Unit test project for Geneva Exporters for OpenTelemetry.</Description>
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Benchmarks/OpenTelemetry.Instrumentation.AspNetCore.Benchmarks.csproj b/test/OpenTelemetry.Instrumentation.AspNetCore.Benchmarks/OpenTelemetry.Instrumentation.AspNetCore.Benchmarks.csproj
index 417dcde39a..f006beaa0b 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Benchmarks/OpenTelemetry.Instrumentation.AspNetCore.Benchmarks.csproj
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Benchmarks/OpenTelemetry.Instrumentation.AspNetCore.Benchmarks.csproj
@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
     <TargetFrameworks>$(SupportedNetTargets)</TargetFrameworks>
     <OutputType>Exe</OutputType>
   </PropertyGroup>
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/OpenTelemetry.Instrumentation.AspNetCore.Tests.csproj b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/OpenTelemetry.Instrumentation.AspNetCore.Tests.csproj
index 05355921c1..11def19721 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/OpenTelemetry.Instrumentation.AspNetCore.Tests.csproj
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/OpenTelemetry.Instrumentation.AspNetCore.Tests.csproj
@@ -6,8 +6,13 @@
   </PropertyGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'" >
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="8.0.10" />
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.10"/>
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="8.0.11" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.11"/>
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' == 'net9.0'" >
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="9.0.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.0"/>
   </ItemGroup>
 
   <ItemGroup>
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net9.0.md b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net9.0.md
new file mode 100644
index 0000000000..0ae09e497a
--- /dev/null
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/RouteTests/README.net9.0.md
@@ -0,0 +1,654 @@
+# Test results for ASP.NET Core 9
+
+| http.route | App | Test Name |
+| - | - | - |
+| :broken_heart: | ConventionalRouting | [Root path](#conventionalrouting-root-path) |
+| :broken_heart: | ConventionalRouting | [Non-default action with route parameter and query string](#conventionalrouting-non-default-action-with-route-parameter-and-query-string) |
+| :broken_heart: | ConventionalRouting | [Non-default action with query string](#conventionalrouting-non-default-action-with-query-string) |
+| :green_heart: | ConventionalRouting | [Not Found (404)](#conventionalrouting-not-found-404) |
+| :green_heart: | ConventionalRouting | [Route template with parameter constraint](#conventionalrouting-route-template-with-parameter-constraint) |
+| :green_heart: | ConventionalRouting | [Path that does not match parameter constraint](#conventionalrouting-path-that-does-not-match-parameter-constraint) |
+| :broken_heart: | ConventionalRouting | [Area using `area:exists`, default controller/action](#conventionalrouting-area-using-areaexists-default-controlleraction) |
+| :broken_heart: | ConventionalRouting | [Area using `area:exists`, non-default action](#conventionalrouting-area-using-areaexists-non-default-action) |
+| :broken_heart: | ConventionalRouting | [Area w/o `area:exists`, default controller/action](#conventionalrouting-area-wo-areaexists-default-controlleraction) |
+| :green_heart: | AttributeRouting | [Default action](#attributerouting-default-action) |
+| :green_heart: | AttributeRouting | [Action without parameter](#attributerouting-action-without-parameter) |
+| :green_heart: | AttributeRouting | [Action with parameter](#attributerouting-action-with-parameter) |
+| :green_heart: | AttributeRouting | [Action with parameter before action name in template](#attributerouting-action-with-parameter-before-action-name-in-template) |
+| :green_heart: | AttributeRouting | [Action invoked resulting in 400 Bad Request](#attributerouting-action-invoked-resulting-in-400-bad-request) |
+| :broken_heart: | RazorPages | [Root path](#razorpages-root-path) |
+| :broken_heart: | RazorPages | [Index page](#razorpages-index-page) |
+| :broken_heart: | RazorPages | [Throws exception](#razorpages-throws-exception) |
+| :green_heart: | RazorPages | [Static content](#razorpages-static-content) |
+| :green_heart: | MinimalApi | [Action without parameter](#minimalapi-action-without-parameter) |
+| :green_heart: | MinimalApi | [Action with parameter](#minimalapi-action-with-parameter) |
+| :green_heart: | MinimalApi | [Action without parameter (MapGroup)](#minimalapi-action-without-parameter-mapgroup) |
+| :green_heart: | MinimalApi | [Action with parameter (MapGroup)](#minimalapi-action-with-parameter-mapgroup) |
+| :green_heart: | ExceptionMiddleware | [Exception Handled by Exception Handler Middleware](#exceptionmiddleware-exception-handled-by-exception-handler-middleware) |
+
+## ConventionalRouting: Root path
+
+```json
+{
+  "IdealHttpRoute": "ConventionalRoute/Default/{id?}",
+  "ActivityDisplayName": "GET {controller=ConventionalRoute}/{action=Default}/{id?}",
+  "ActivityHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
+  "MetricHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/",
+    "RoutePattern.RawText": "{controller=ConventionalRoute}/{action=Default}/{id?}",
+    "IRouteDiagnosticsMetadata.Route": "{controller=ConventionalRoute}/{action=Default}/{id?}",
+    "HttpContext.GetRouteData()": {
+      "controller": "ConventionalRoute",
+      "action": "Default"
+    },
+    "ActionDescriptor": {
+      "AttributeRouteInfo.Template": null,
+      "Parameters": [],
+      "ControllerActionDescriptor": {
+        "ControllerName": "ConventionalRoute",
+        "ActionName": "Default"
+      },
+      "PageActionDescriptor": null
+    }
+  }
+}
+```
+
+## ConventionalRouting: Non-default action with route parameter and query string
+
+```json
+{
+  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id?}",
+  "ActivityDisplayName": "GET {controller=ConventionalRoute}/{action=Default}/{id?}",
+  "ActivityHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
+  "MetricHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/ConventionalRoute/ActionWithStringParameter/2?num=3",
+    "RoutePattern.RawText": "{controller=ConventionalRoute}/{action=Default}/{id?}",
+    "IRouteDiagnosticsMetadata.Route": "{controller=ConventionalRoute}/{action=Default}/{id?}",
+    "HttpContext.GetRouteData()": {
+      "controller": "ConventionalRoute",
+      "action": "ActionWithStringParameter",
+      "id": "2"
+    },
+    "ActionDescriptor": {
+      "AttributeRouteInfo.Template": null,
+      "Parameters": [
+        "id",
+        "num"
+      ],
+      "ControllerActionDescriptor": {
+        "ControllerName": "ConventionalRoute",
+        "ActionName": "ActionWithStringParameter"
+      },
+      "PageActionDescriptor": null
+    }
+  }
+}
+```
+
+## ConventionalRouting: Non-default action with query string
+
+```json
+{
+  "IdealHttpRoute": "ConventionalRoute/ActionWithStringParameter/{id?}",
+  "ActivityDisplayName": "GET {controller=ConventionalRoute}/{action=Default}/{id?}",
+  "ActivityHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
+  "MetricHttpRoute": "{controller=ConventionalRoute}/{action=Default}/{id?}",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/ConventionalRoute/ActionWithStringParameter?num=3",
+    "RoutePattern.RawText": "{controller=ConventionalRoute}/{action=Default}/{id?}",
+    "IRouteDiagnosticsMetadata.Route": "{controller=ConventionalRoute}/{action=Default}/{id?}",
+    "HttpContext.GetRouteData()": {
+      "controller": "ConventionalRoute",
+      "action": "ActionWithStringParameter"
+    },
+    "ActionDescriptor": {
+      "AttributeRouteInfo.Template": null,
+      "Parameters": [
+        "id",
+        "num"
+      ],
+      "ControllerActionDescriptor": {
+        "ControllerName": "ConventionalRoute",
+        "ActionName": "ActionWithStringParameter"
+      },
+      "PageActionDescriptor": null
+    }
+  }
+}
+```
+
+## ConventionalRouting: Not Found (404)
+
+```json
+{
+  "IdealHttpRoute": "",
+  "ActivityDisplayName": "GET",
+  "ActivityHttpRoute": "",
+  "MetricHttpRoute": "",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/ConventionalRoute/NotFound",
+    "RoutePattern.RawText": null,
+    "IRouteDiagnosticsMetadata.Route": null,
+    "HttpContext.GetRouteData()": {},
+    "ActionDescriptor": null
+  }
+}
+```
+
+## ConventionalRouting: Route template with parameter constraint
+
+```json
+{
+  "IdealHttpRoute": "SomePath/{id}/{num:int}",
+  "ActivityDisplayName": "GET SomePath/{id}/{num:int}",
+  "ActivityHttpRoute": "SomePath/{id}/{num:int}",
+  "MetricHttpRoute": "SomePath/{id}/{num:int}",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/SomePath/SomeString/2",
+    "RoutePattern.RawText": "SomePath/{id}/{num:int}",
+    "IRouteDiagnosticsMetadata.Route": "SomePath/{id}/{num:int}",
+    "HttpContext.GetRouteData()": {
+      "controller": "ConventionalRoute",
+      "action": "ActionWithStringParameter",
+      "id": "SomeString",
+      "num": "2"
+    },
+    "ActionDescriptor": {
+      "AttributeRouteInfo.Template": null,
+      "Parameters": [
+        "id",
+        "num"
+      ],
+      "ControllerActionDescriptor": {
+        "ControllerName": "ConventionalRoute",
+        "ActionName": "ActionWithStringParameter"
+      },
+      "PageActionDescriptor": null
+    }
+  }
+}
+```
+
+## ConventionalRouting: Path that does not match parameter constraint
+
+```json
+{
+  "IdealHttpRoute": "",
+  "ActivityDisplayName": "GET",
+  "ActivityHttpRoute": "",
+  "MetricHttpRoute": "",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/SomePath/SomeString/NotAnInt",
+    "RoutePattern.RawText": null,
+    "IRouteDiagnosticsMetadata.Route": null,
+    "HttpContext.GetRouteData()": {},
+    "ActionDescriptor": null
+  }
+}
+```
+
+## ConventionalRouting: Area using `area:exists`, default controller/action
+
+```json
+{
+  "IdealHttpRoute": "{area:exists}/ControllerForMyArea/Default/{id?}",
+  "ActivityDisplayName": "GET {area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
+  "ActivityHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
+  "MetricHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/MyArea",
+    "RoutePattern.RawText": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
+    "IRouteDiagnosticsMetadata.Route": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
+    "HttpContext.GetRouteData()": {
+      "controller": "ControllerForMyArea",
+      "action": "Default",
+      "area": "MyArea"
+    },
+    "ActionDescriptor": {
+      "AttributeRouteInfo.Template": null,
+      "Parameters": [],
+      "ControllerActionDescriptor": {
+        "ControllerName": "ControllerForMyArea",
+        "ActionName": "Default"
+      },
+      "PageActionDescriptor": null
+    }
+  }
+}
+```
+
+## ConventionalRouting: Area using `area:exists`, non-default action
+
+```json
+{
+  "IdealHttpRoute": "{area:exists}/ControllerForMyArea/NonDefault/{id?}",
+  "ActivityDisplayName": "GET {area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
+  "ActivityHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
+  "MetricHttpRoute": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/MyArea/ControllerForMyArea/NonDefault",
+    "RoutePattern.RawText": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
+    "IRouteDiagnosticsMetadata.Route": "{area:exists}/{controller=ControllerForMyArea}/{action=Default}/{id?}",
+    "HttpContext.GetRouteData()": {
+      "controller": "ControllerForMyArea",
+      "area": "MyArea",
+      "action": "NonDefault"
+    },
+    "ActionDescriptor": {
+      "AttributeRouteInfo.Template": null,
+      "Parameters": [],
+      "ControllerActionDescriptor": {
+        "ControllerName": "ControllerForMyArea",
+        "ActionName": "NonDefault"
+      },
+      "PageActionDescriptor": null
+    }
+  }
+}
+```
+
+## ConventionalRouting: Area w/o `area:exists`, default controller/action
+
+```json
+{
+  "IdealHttpRoute": "SomePrefix/AnotherArea/Index/{id?}",
+  "ActivityDisplayName": "GET SomePrefix/{controller=AnotherArea}/{action=Index}/{id?}",
+  "ActivityHttpRoute": "SomePrefix/{controller=AnotherArea}/{action=Index}/{id?}",
+  "MetricHttpRoute": "SomePrefix/{controller=AnotherArea}/{action=Index}/{id?}",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/SomePrefix",
+    "RoutePattern.RawText": "SomePrefix/{controller=AnotherArea}/{action=Index}/{id?}",
+    "IRouteDiagnosticsMetadata.Route": "SomePrefix/{controller=AnotherArea}/{action=Index}/{id?}",
+    "HttpContext.GetRouteData()": {
+      "area": "AnotherArea",
+      "controller": "AnotherArea",
+      "action": "Index"
+    },
+    "ActionDescriptor": {
+      "AttributeRouteInfo.Template": null,
+      "Parameters": [],
+      "ControllerActionDescriptor": {
+        "ControllerName": "AnotherArea",
+        "ActionName": "Index"
+      },
+      "PageActionDescriptor": null
+    }
+  }
+}
+```
+
+## AttributeRouting: Default action
+
+```json
+{
+  "IdealHttpRoute": "AttributeRoute",
+  "ActivityDisplayName": "GET AttributeRoute",
+  "ActivityHttpRoute": "AttributeRoute",
+  "MetricHttpRoute": "AttributeRoute",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/AttributeRoute",
+    "RoutePattern.RawText": "AttributeRoute",
+    "IRouteDiagnosticsMetadata.Route": "AttributeRoute",
+    "HttpContext.GetRouteData()": {
+      "action": "Get",
+      "controller": "AttributeRoute"
+    },
+    "ActionDescriptor": {
+      "AttributeRouteInfo.Template": "AttributeRoute",
+      "Parameters": [],
+      "ControllerActionDescriptor": {
+        "ControllerName": "AttributeRoute",
+        "ActionName": "Get"
+      },
+      "PageActionDescriptor": null
+    }
+  }
+}
+```
+
+## AttributeRouting: Action without parameter
+
+```json
+{
+  "IdealHttpRoute": "AttributeRoute/Get",
+  "ActivityDisplayName": "GET AttributeRoute/Get",
+  "ActivityHttpRoute": "AttributeRoute/Get",
+  "MetricHttpRoute": "AttributeRoute/Get",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/AttributeRoute/Get",
+    "RoutePattern.RawText": "AttributeRoute/Get",
+    "IRouteDiagnosticsMetadata.Route": "AttributeRoute/Get",
+    "HttpContext.GetRouteData()": {
+      "action": "Get",
+      "controller": "AttributeRoute"
+    },
+    "ActionDescriptor": {
+      "AttributeRouteInfo.Template": "AttributeRoute/Get",
+      "Parameters": [],
+      "ControllerActionDescriptor": {
+        "ControllerName": "AttributeRoute",
+        "ActionName": "Get"
+      },
+      "PageActionDescriptor": null
+    }
+  }
+}
+```
+
+## AttributeRouting: Action with parameter
+
+```json
+{
+  "IdealHttpRoute": "AttributeRoute/Get/{id}",
+  "ActivityDisplayName": "GET AttributeRoute/Get/{id}",
+  "ActivityHttpRoute": "AttributeRoute/Get/{id}",
+  "MetricHttpRoute": "AttributeRoute/Get/{id}",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/AttributeRoute/Get/12",
+    "RoutePattern.RawText": "AttributeRoute/Get/{id}",
+    "IRouteDiagnosticsMetadata.Route": "AttributeRoute/Get/{id}",
+    "HttpContext.GetRouteData()": {
+      "action": "Get",
+      "controller": "AttributeRoute",
+      "id": "12"
+    },
+    "ActionDescriptor": {
+      "AttributeRouteInfo.Template": "AttributeRoute/Get/{id}",
+      "Parameters": [
+        "id"
+      ],
+      "ControllerActionDescriptor": {
+        "ControllerName": "AttributeRoute",
+        "ActionName": "Get"
+      },
+      "PageActionDescriptor": null
+    }
+  }
+}
+```
+
+## AttributeRouting: Action with parameter before action name in template
+
+```json
+{
+  "IdealHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+  "ActivityDisplayName": "GET AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+  "ActivityHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+  "MetricHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/AttributeRoute/12/GetWithActionNameInDifferentSpotInTemplate",
+    "RoutePattern.RawText": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+    "IRouteDiagnosticsMetadata.Route": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+    "HttpContext.GetRouteData()": {
+      "action": "GetWithActionNameInDifferentSpotInTemplate",
+      "controller": "AttributeRoute",
+      "id": "12"
+    },
+    "ActionDescriptor": {
+      "AttributeRouteInfo.Template": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+      "Parameters": [
+        "id"
+      ],
+      "ControllerActionDescriptor": {
+        "ControllerName": "AttributeRoute",
+        "ActionName": "GetWithActionNameInDifferentSpotInTemplate"
+      },
+      "PageActionDescriptor": null
+    }
+  }
+}
+```
+
+## AttributeRouting: Action invoked resulting in 400 Bad Request
+
+```json
+{
+  "IdealHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+  "ActivityDisplayName": "GET AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+  "ActivityHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+  "MetricHttpRoute": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/AttributeRoute/NotAnInt/GetWithActionNameInDifferentSpotInTemplate",
+    "RoutePattern.RawText": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+    "IRouteDiagnosticsMetadata.Route": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+    "HttpContext.GetRouteData()": {
+      "action": "GetWithActionNameInDifferentSpotInTemplate",
+      "controller": "AttributeRoute",
+      "id": "NotAnInt"
+    },
+    "ActionDescriptor": {
+      "AttributeRouteInfo.Template": "AttributeRoute/{id}/GetWithActionNameInDifferentSpotInTemplate",
+      "Parameters": [
+        "id"
+      ],
+      "ControllerActionDescriptor": {
+        "ControllerName": "AttributeRoute",
+        "ActionName": "GetWithActionNameInDifferentSpotInTemplate"
+      },
+      "PageActionDescriptor": null
+    }
+  }
+}
+```
+
+## RazorPages: Root path
+
+```json
+{
+  "IdealHttpRoute": "/Index",
+  "ActivityDisplayName": "GET",
+  "ActivityHttpRoute": "",
+  "MetricHttpRoute": "",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/",
+    "RoutePattern.RawText": "",
+    "IRouteDiagnosticsMetadata.Route": "",
+    "HttpContext.GetRouteData()": {
+      "page": "/Index"
+    },
+    "ActionDescriptor": {
+      "AttributeRouteInfo.Template": "",
+      "Parameters": [],
+      "ControllerActionDescriptor": null,
+      "PageActionDescriptor": {
+        "RelativePath": "/Pages/Index.cshtml",
+        "ViewEnginePath": "/Index"
+      }
+    }
+  }
+}
+```
+
+## RazorPages: Index page
+
+```json
+{
+  "IdealHttpRoute": "/Index",
+  "ActivityDisplayName": "GET Index",
+  "ActivityHttpRoute": "Index",
+  "MetricHttpRoute": "Index",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/Index",
+    "RoutePattern.RawText": "Index",
+    "IRouteDiagnosticsMetadata.Route": "Index",
+    "HttpContext.GetRouteData()": {
+      "page": "/Index"
+    },
+    "ActionDescriptor": {
+      "AttributeRouteInfo.Template": "Index",
+      "Parameters": [],
+      "ControllerActionDescriptor": null,
+      "PageActionDescriptor": {
+        "RelativePath": "/Pages/Index.cshtml",
+        "ViewEnginePath": "/Index"
+      }
+    }
+  }
+}
+```
+
+## RazorPages: Throws exception
+
+```json
+{
+  "IdealHttpRoute": "/PageThatThrowsException",
+  "ActivityDisplayName": "GET PageThatThrowsException",
+  "ActivityHttpRoute": "PageThatThrowsException",
+  "MetricHttpRoute": "PageThatThrowsException",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/PageThatThrowsException",
+    "RoutePattern.RawText": "PageThatThrowsException",
+    "IRouteDiagnosticsMetadata.Route": "PageThatThrowsException",
+    "HttpContext.GetRouteData()": {
+      "page": "/PageThatThrowsException"
+    },
+    "ActionDescriptor": {
+      "AttributeRouteInfo.Template": "PageThatThrowsException",
+      "Parameters": [],
+      "ControllerActionDescriptor": null,
+      "PageActionDescriptor": {
+        "RelativePath": "/Pages/PageThatThrowsException.cshtml",
+        "ViewEnginePath": "/PageThatThrowsException"
+      }
+    }
+  }
+}
+```
+
+## RazorPages: Static content
+
+```json
+{
+  "IdealHttpRoute": "",
+  "ActivityDisplayName": "GET",
+  "ActivityHttpRoute": "",
+  "MetricHttpRoute": "",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/js/site.js",
+    "RoutePattern.RawText": null,
+    "IRouteDiagnosticsMetadata.Route": null,
+    "HttpContext.GetRouteData()": {},
+    "ActionDescriptor": null
+  }
+}
+```
+
+## MinimalApi: Action without parameter
+
+```json
+{
+  "IdealHttpRoute": "/MinimalApi",
+  "ActivityDisplayName": "GET /MinimalApi",
+  "ActivityHttpRoute": "/MinimalApi",
+  "MetricHttpRoute": "/MinimalApi",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/MinimalApi",
+    "RoutePattern.RawText": "/MinimalApi",
+    "IRouteDiagnosticsMetadata.Route": "/MinimalApi",
+    "HttpContext.GetRouteData()": {},
+    "ActionDescriptor": null
+  }
+}
+```
+
+## MinimalApi: Action with parameter
+
+```json
+{
+  "IdealHttpRoute": "/MinimalApi/{id}",
+  "ActivityDisplayName": "GET /MinimalApi/{id}",
+  "ActivityHttpRoute": "/MinimalApi/{id}",
+  "MetricHttpRoute": "/MinimalApi/{id}",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/MinimalApi/123",
+    "RoutePattern.RawText": "/MinimalApi/{id}",
+    "IRouteDiagnosticsMetadata.Route": "/MinimalApi/{id}",
+    "HttpContext.GetRouteData()": {
+      "id": "123"
+    },
+    "ActionDescriptor": null
+  }
+}
+```
+
+## MinimalApi: Action without parameter (MapGroup)
+
+```json
+{
+  "IdealHttpRoute": "/MinimalApiUsingMapGroup/",
+  "ActivityDisplayName": "GET /MinimalApiUsingMapGroup/",
+  "ActivityHttpRoute": "/MinimalApiUsingMapGroup/",
+  "MetricHttpRoute": "/MinimalApiUsingMapGroup/",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/MinimalApiUsingMapGroup",
+    "RoutePattern.RawText": "/MinimalApiUsingMapGroup/",
+    "IRouteDiagnosticsMetadata.Route": "/MinimalApiUsingMapGroup/",
+    "HttpContext.GetRouteData()": {},
+    "ActionDescriptor": null
+  }
+}
+```
+
+## MinimalApi: Action with parameter (MapGroup)
+
+```json
+{
+  "IdealHttpRoute": "/MinimalApiUsingMapGroup/{id}",
+  "ActivityDisplayName": "GET /MinimalApiUsingMapGroup/{id}",
+  "ActivityHttpRoute": "/MinimalApiUsingMapGroup/{id}",
+  "MetricHttpRoute": "/MinimalApiUsingMapGroup/{id}",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/MinimalApiUsingMapGroup/123",
+    "RoutePattern.RawText": "/MinimalApiUsingMapGroup/{id}",
+    "IRouteDiagnosticsMetadata.Route": "/MinimalApiUsingMapGroup/{id}",
+    "HttpContext.GetRouteData()": {
+      "id": "123"
+    },
+    "ActionDescriptor": null
+  }
+}
+```
+
+## ExceptionMiddleware: Exception Handled by Exception Handler Middleware
+
+```json
+{
+  "IdealHttpRoute": "/Exception",
+  "ActivityDisplayName": "GET /Exception",
+  "ActivityHttpRoute": "/Exception",
+  "MetricHttpRoute": "/Exception",
+  "RouteInfo": {
+    "HttpMethod": "GET",
+    "Path": "/Exception",
+    "RoutePattern.RawText": "/Exception",
+    "IRouteDiagnosticsMetadata.Route": "/Exception",
+    "HttpContext.GetRouteData()": {},
+    "ActionDescriptor": null
+  }
+}
+```
diff --git a/test/OpenTelemetry.Instrumentation.GrpcCore.Tests/OpenTelemetry.Instrumentation.GrpcCore.Tests.csproj b/test/OpenTelemetry.Instrumentation.GrpcCore.Tests/OpenTelemetry.Instrumentation.GrpcCore.Tests.csproj
index b18abc2f97..ae45b9c775 100644
--- a/test/OpenTelemetry.Instrumentation.GrpcCore.Tests/OpenTelemetry.Instrumentation.GrpcCore.Tests.csproj
+++ b/test/OpenTelemetry.Instrumentation.GrpcCore.Tests/OpenTelemetry.Instrumentation.GrpcCore.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>$(SupportedNetTargets)</TargetFramework>
+    <TargetFrameworks>$(SupportedNetTargets)</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/test/OpenTelemetry.Instrumentation.Process.Tests/OpenTelemetry.Instrumentation.Process.Tests.csproj b/test/OpenTelemetry.Instrumentation.Process.Tests/OpenTelemetry.Instrumentation.Process.Tests.csproj
index 26e013afed..bae293c282 100644
--- a/test/OpenTelemetry.Instrumentation.Process.Tests/OpenTelemetry.Instrumentation.Process.Tests.csproj
+++ b/test/OpenTelemetry.Instrumentation.Process.Tests/OpenTelemetry.Instrumentation.Process.Tests.csproj
@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
     <TargetFrameworks>$(SupportedNetTargets)</TargetFrameworks>
     <TargetFrameworks Condition="$(OS) == 'Windows_NT'">$(TargetFrameworks);$(NetFrameworkMinimumSupportedVersion)</TargetFrameworks>
   </PropertyGroup>
diff --git a/test/OpenTelemetry.Instrumentation.Runtime.Tests/OpenTelemetry.Instrumentation.Runtime.Tests.csproj b/test/OpenTelemetry.Instrumentation.Runtime.Tests/OpenTelemetry.Instrumentation.Runtime.Tests.csproj
index 3cf92d6f2b..68e46c3e90 100644
--- a/test/OpenTelemetry.Instrumentation.Runtime.Tests/OpenTelemetry.Instrumentation.Runtime.Tests.csproj
+++ b/test/OpenTelemetry.Instrumentation.Runtime.Tests/OpenTelemetry.Instrumentation.Runtime.Tests.csproj
@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
     <TargetFrameworks>$(SupportedNetTargets)</TargetFrameworks>
     <TargetFrameworks Condition="$(OS) == 'Windows_NT'">$(TargetFrameworks);$(NetFrameworkMinimumSupportedVersion)</TargetFrameworks>
   </PropertyGroup>
diff --git a/test/OpenTelemetry.Instrumentation.StackExchangeRedis.Tests/OpenTelemetry.Instrumentation.StackExchangeRedis.Tests.csproj b/test/OpenTelemetry.Instrumentation.StackExchangeRedis.Tests/OpenTelemetry.Instrumentation.StackExchangeRedis.Tests.csproj
index 71ae753f08..a85616c632 100644
--- a/test/OpenTelemetry.Instrumentation.StackExchangeRedis.Tests/OpenTelemetry.Instrumentation.StackExchangeRedis.Tests.csproj
+++ b/test/OpenTelemetry.Instrumentation.StackExchangeRedis.Tests/OpenTelemetry.Instrumentation.StackExchangeRedis.Tests.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
-    <TargetFrameworks>$(SupportedNetTargets)</TargetFrameworks>
+    <TargetFrameworks>$(SupportedNetTargetsWithoutNet9)</TargetFrameworks>
     <TargetFrameworks Condition="$(OS) == 'Windows_NT'">$(TargetFrameworks);$(NetFrameworkMinimumSupportedVersion)</TargetFrameworks>
     <Description>Unit test project for OpenTelemetry StackExchangeRedis instrumentation.</Description>
   </PropertyGroup>
diff --git a/test/OpenTelemetry.Resources.AWS.Tests/OpenTelemetry.Resources.AWS.Tests.csproj b/test/OpenTelemetry.Resources.AWS.Tests/OpenTelemetry.Resources.AWS.Tests.csproj
index 8e2510fc3b..dc0a10ebc8 100644
--- a/test/OpenTelemetry.Resources.AWS.Tests/OpenTelemetry.Resources.AWS.Tests.csproj
+++ b/test/OpenTelemetry.Resources.AWS.Tests/OpenTelemetry.Resources.AWS.Tests.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
-    <TargetFrameworks>$(SupportedNetTargets)</TargetFrameworks>
+    <TargetFrameworks>$(SupportedNetTargetsWithoutNet9)</TargetFrameworks>
     <TargetFrameworks Condition="$(OS) == 'Windows_NT'">$(TargetFrameworks);$(NetFrameworkMinimumSupportedVersion)</TargetFrameworks>
     <Description>Unit test project for AWS Detector for OpenTelemetry.</Description>
   </PropertyGroup>