diff --git a/.oss-scanner/Dockerfile b/.oss-scanner/Dockerfile
index fccf2237330..bb0b3c5ab38 100644
--- a/.oss-scanner/Dockerfile
+++ b/.oss-scanner/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:11.0.100-rc.3@sha256:3a9175b6c54b2f076817af1360f691c9994447b192faa48a1a1f112a516844c7 AS build
+FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:11.0.100@sha256:TODO AS build
 ARG SOURCE_DATE_EPOCH
 
 COPY . /src
diff --git a/Directory.Packages.props b/Directory.Packages.props
index 6de15b8614e..ade193f5dd6 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -12,12 +12,12 @@
   -->
   <ItemGroup>
     <!-- Default to latest versions for all TFMs -->
-    <PackageVersion Include="Microsoft.Extensions.Configuration" Version="[11.0.0-rc.3.26522.148,)" />
-    <PackageVersion Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="[11.0.0-rc.3.26522.148,)" />
-    <PackageVersion Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="[11.0.0-rc.3.26522.148,)" />
-    <PackageVersion Include="Microsoft.Extensions.Diagnostics.Abstractions" Version="[11.0.0-rc.3.26522.148,)" />
-    <PackageVersion Include="Microsoft.Extensions.Hosting.Abstractions" Version="[11.0.0-rc.3.26522.148,)" />
-    <PackageVersion Include="Microsoft.Extensions.Logging.Configuration" Version="[11.0.0-rc.3.26522.148,)" />
+    <PackageVersion Include="Microsoft.Extensions.Configuration" Version="[11.0.0,)" />
+    <PackageVersion Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="[11.0.0,)" />
+    <PackageVersion Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="[11.0.0,)" />
+    <PackageVersion Include="Microsoft.Extensions.Diagnostics.Abstractions" Version="[11.0.0,)" />
+    <PackageVersion Include="Microsoft.Extensions.Hosting.Abstractions" Version="[11.0.0,)" />
+    <PackageVersion Include="Microsoft.Extensions.Logging.Configuration" Version="[11.0.0,)" />
   </ItemGroup>
   <!-- Version overrides for specific netX.0 TFMs -->
   <ItemGroup Condition="'$(TargetFramework)' == 'net10.0'">
@@ -29,12 +29,12 @@
     <PackageVersion Update="Microsoft.Extensions.Logging.Configuration" Version="[10.0.0,)" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'net11.0'">
-    <PackageVersion Update="Microsoft.Extensions.Configuration" Version="[11.0.0-rc.3.26522.148,)" />
-    <PackageVersion Update="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="[11.0.0-rc.3.26522.148,)" />
-    <PackageVersion Update="Microsoft.Extensions.DependencyInjection.Abstractions" Version="[11.0.0-rc.3.26522.148,)" />
-    <PackageVersion Update="Microsoft.Extensions.Diagnostics.Abstractions" Version="[11.0.0-rc.3.26522.148,)" />
-    <PackageVersion Update="Microsoft.Extensions.Hosting.Abstractions" Version="[11.0.0-rc.3.26522.148,)" />
-    <PackageVersion Update="Microsoft.Extensions.Logging.Configuration" Version="[11.0.0-rc.3.26522.148,)" />
+    <PackageVersion Update="Microsoft.Extensions.Configuration" Version="[11.0.0,)" />
+    <PackageVersion Update="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="[11.0.0,)" />
+    <PackageVersion Update="Microsoft.Extensions.DependencyInjection.Abstractions" Version="[11.0.0,)" />
+    <PackageVersion Update="Microsoft.Extensions.Diagnostics.Abstractions" Version="[11.0.0,)" />
+    <PackageVersion Update="Microsoft.Extensions.Hosting.Abstractions" Version="[11.0.0,)" />
+    <PackageVersion Update="Microsoft.Extensions.Logging.Configuration" Version="[11.0.0,)" />
   </ItemGroup>
 
   <!--
@@ -43,7 +43,7 @@
       See https://github.com/open-telemetry/opentelemetry-dotnet/issues/5973 for more details.
   -->
   <ItemGroup>
-    <PackageVersion Include="System.Diagnostics.DiagnosticSource" Version="[11.0.0-rc.3.26522.148,)" />
+    <PackageVersion Include="System.Diagnostics.DiagnosticSource" Version="[11.0.0,)" />
   </ItemGroup>
 
   <!--
@@ -101,7 +101,7 @@
     <PackageVersion Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" Version="5.6.0" />
     <PackageVersion Include="Microsoft.Coyote" Version="1.7.11" />
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="10.0.14" />
-    <PackageVersion Include="Microsoft.Extensions.Diagnostics" Version="11.0.0-rc.3.26522.148" />
+    <PackageVersion Include="Microsoft.Extensions.Diagnostics" Version="11.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Hosting" Version="10.0.14" />
     <PackageVersion Include="Microsoft.Extensions.Http" Version="10.0.14" />
     <PackageVersion Include="Microsoft.Extensions.Logging.Abstractions" Version="10.0.14" />
@@ -139,10 +139,10 @@
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net11.0'">
-    <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly" Version="11.0.0-rc.3.26522.148" />
-    <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="11.0.0-rc.3.26522.148" />
-    <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly.Server" Version="11.0.0-rc.3.26522.148" />
-    <PackageVersion Include="Microsoft.AspNetCore.TestHost" Version="11.0.0-rc.3.26522.148" />
+    <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly" Version="11.0.0" />
+    <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="11.0.0" />
+    <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly.Server" Version="11.0.0" />
+    <PackageVersion Include="Microsoft.AspNetCore.TestHost" Version="11.0.0" />
   </ItemGroup>
 
 </Project>
diff --git a/build/Tests.targets b/build/Tests.targets
index e1ba2d06f6e..c89b36439e5 100644
--- a/build/Tests.targets
+++ b/build/Tests.targets
@@ -12,13 +12,6 @@
     <_TestFrameworkArgument>--framework $(TargetFramework)</_TestFrameworkArgument>
   </PropertyGroup>
 
-  <!--
-    HACK Workaround for https://github.com/dotnet/runtime/issues/134491
-  -->
-  <PropertyGroup Condition="'$(TargetFramework)' == '' AND '$(OS)' != 'Windows_NT' AND '$([System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture)' == 'Arm64'">
-    <_TestMaxParallelTestModulesArgument>--max-parallel-test-modules 1</_TestMaxParallelTestModulesArgument>
-  </PropertyGroup>
-
   <PropertyGroup Condition="'$(TestFilter)' != ''">
     <!--
       Ignoring exit code 8 stops dotnet test failing if a filter does not match any tests.
diff --git a/examples/MicroserviceExample/WebApi/Dockerfile b/examples/MicroserviceExample/WebApi/Dockerfile
index c2a4afd0b6c..e123e826b49 100644
--- a/examples/MicroserviceExample/WebApi/Dockerfile
+++ b/examples/MicroserviceExample/WebApi/Dockerfile
@@ -1,6 +1,6 @@
 ARG SDK_VERSION=11.0
 FROM mcr.microsoft.com/dotnet/sdk:10.0.403@sha256:de4fe90a98845d75910b9769662465c84de1a934665c431279d1382b2bddc02b AS dotnet-sdk-10.0
-FROM mcr.microsoft.com/dotnet/sdk:11.0.100-rc.3@sha256:3a9175b6c54b2f076817af1360f691c9994447b192faa48a1a1f112a516844c7 AS dotnet-sdk-11.0
+FROM mcr.microsoft.com/dotnet/sdk:11.0.100@sha256:TODO AS dotnet-sdk-11.0
 
 FROM dotnet-sdk-${SDK_VERSION} AS build
 ARG PUBLISH_CONFIGURATION=Release
@@ -10,7 +10,7 @@ COPY . ./
 RUN dotnet publish ./examples/MicroserviceExample/WebApi -c "${PUBLISH_CONFIGURATION}" -f "${PUBLISH_FRAMEWORK}" -o /out -p:IntegrationBuild=true
 
 FROM mcr.microsoft.com/dotnet/aspnet:10.0.14@sha256:de0ee358cdd672f7017a003bed21e9ac9ed48a27c922a59b18175b6e82fa7fee AS dotnet-aspnet-10.0
-FROM mcr.microsoft.com/dotnet/aspnet:11.0.0-rc.3@sha256:bae0269049d5061ab7f49995cc1acebf54b75471c096c4a1f874e27661d44045 AS dotnet-aspnet-11.0
+FROM mcr.microsoft.com/dotnet/aspnet:11.0.0@sha256:TODO AS dotnet-aspnet-11.0
 
 FROM dotnet-aspnet-${SDK_VERSION} AS runtime
 WORKDIR /app
diff --git a/examples/MicroserviceExample/WorkerService/Dockerfile b/examples/MicroserviceExample/WorkerService/Dockerfile
index 1c67c750410..fca9bf2ebfa 100644
--- a/examples/MicroserviceExample/WorkerService/Dockerfile
+++ b/examples/MicroserviceExample/WorkerService/Dockerfile
@@ -1,7 +1,7 @@
 ARG SDK_VERSION=11.0
 
 FROM mcr.microsoft.com/dotnet/sdk:10.0.403@sha256:de4fe90a98845d75910b9769662465c84de1a934665c431279d1382b2bddc02b AS dotnet-sdk-10.0
-FROM mcr.microsoft.com/dotnet/sdk:11.0.100-rc.3@sha256:3a9175b6c54b2f076817af1360f691c9994447b192faa48a1a1f112a516844c7 AS dotnet-sdk-11.0
+FROM mcr.microsoft.com/dotnet/sdk:11.0.100@sha256:TODO AS dotnet-sdk-11.0
 
 FROM dotnet-sdk-${SDK_VERSION} AS build
 ARG PUBLISH_CONFIGURATION=Release
@@ -11,7 +11,7 @@ COPY . ./
 RUN dotnet publish ./examples/MicroserviceExample/WorkerService -c "${PUBLISH_CONFIGURATION}" -f "${PUBLISH_FRAMEWORK}" -o /out -p:IntegrationBuild=true
 
 FROM mcr.microsoft.com/dotnet/aspnet:10.0.14@sha256:de0ee358cdd672f7017a003bed21e9ac9ed48a27c922a59b18175b6e82fa7fee AS dotnet-aspnet-10.0
-FROM mcr.microsoft.com/dotnet/aspnet:11.0.0-rc.3@sha256:bae0269049d5061ab7f49995cc1acebf54b75471c096c4a1f874e27661d44045 AS dotnet-aspnet-11.0
+FROM mcr.microsoft.com/dotnet/aspnet:11.0.0@sha256:TODO AS dotnet-aspnet-11.0
 
 FROM dotnet-aspnet-${SDK_VERSION} AS runtime
 WORKDIR /app
diff --git a/global.json b/global.json
index 921ff029c5a..f4c061152cf 100644
--- a/global.json
+++ b/global.json
@@ -5,7 +5,7 @@
       ".dotnet",
       "$host$"
     ],
-    "version": "11.0.100-rc.3.26522.148"
+    "version": "11.0.100"
   },
   "test": {
     "runner": "Microsoft.Testing.Platform"
diff --git a/src/OpenTelemetry.Api/CHANGELOG.md b/src/OpenTelemetry.Api/CHANGELOG.md
index bb61856a8d9..9dd1f18f6d0 100644
--- a/src/OpenTelemetry.Api/CHANGELOG.md
+++ b/src/OpenTelemetry.Api/CHANGELOG.md
@@ -6,6 +6,10 @@ Notes](../../RELEASENOTES.md).
 
 ## Unreleased
 
+* Update `System.Diagnostics.DiagnosticSource` dependency to `11.0.0`
+  for all target frameworks.
+  ([#8066](https://github.com/open-telemetry/opentelemetry-dotnet/pull/8066))
+
 ## 1.21.0-rc.2
 
 Released 2026-Nov-09
diff --git a/test/OpenTelemetry.AotCompatibility.TestApp/OpenTelemetry.AotCompatibility.TestApp.csproj b/test/OpenTelemetry.AotCompatibility.TestApp/OpenTelemetry.AotCompatibility.TestApp.csproj
index 3d3bb6078ca..671050aef2c 100644
--- a/test/OpenTelemetry.AotCompatibility.TestApp/OpenTelemetry.AotCompatibility.TestApp.csproj
+++ b/test/OpenTelemetry.AotCompatibility.TestApp/OpenTelemetry.AotCompatibility.TestApp.csproj
@@ -8,11 +8,6 @@
     <SelfContained>true</SelfContained>
   </PropertyGroup>
 
-  <!-- HACK Workaround for https://github.com/dotnet/sdk/issues/56618 -->
-  <PropertyGroup>
-    <UseOptimizedPublish>false</UseOptimizedPublish>
-  </PropertyGroup>
-
   <ItemGroup>
     <TrimmerRootAssembly Include="OpenTelemetry.Api.ProviderBuilderExtensions" />
     <TrimmerRootAssembly Include="OpenTelemetry.Api" />
diff --git a/test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/IntegrationTest/Dockerfile b/test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/IntegrationTest/Dockerfile
index 2e49bfdb945..d6d7a61bcc2 100644
--- a/test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/IntegrationTest/Dockerfile
+++ b/test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/IntegrationTest/Dockerfile
@@ -5,7 +5,7 @@
 ARG BUILD_SDK_VERSION=11.0
 ARG TEST_SDK_VERSION=11.0
 FROM mcr.microsoft.com/dotnet/sdk:10.0.403@sha256:de4fe90a98845d75910b9769662465c84de1a934665c431279d1382b2bddc02b AS dotnet-sdk-10.0
-FROM mcr.microsoft.com/dotnet/sdk:11.0.100-rc.3@sha256:3a9175b6c54b2f076817af1360f691c9994447b192faa48a1a1f112a516844c7 AS dotnet-sdk-11.0
+FROM mcr.microsoft.com/dotnet/sdk:11.0.100@sha256:TODO AS dotnet-sdk-11.0
 
 FROM dotnet-sdk-${BUILD_SDK_VERSION} AS build
 ARG PUBLISH_CONFIGURATION=Release
diff --git a/test/OpenTelemetry.Instrumentation.W3cTraceContext.Tests/Dockerfile b/test/OpenTelemetry.Instrumentation.W3cTraceContext.Tests/Dockerfile
index 8aa31aea839..026d0d460b9 100644
--- a/test/OpenTelemetry.Instrumentation.W3cTraceContext.Tests/Dockerfile
+++ b/test/OpenTelemetry.Instrumentation.W3cTraceContext.Tests/Dockerfile
@@ -6,7 +6,7 @@ ARG BUILD_SDK_VERSION=11.0
 ARG TEST_SDK_VERSION=11.0
 
 FROM mcr.microsoft.com/dotnet/sdk:10.0.403-azurelinux3.0@sha256:ffd76bb46785445d2d029809009d35b522619b97df88c0abaa05d549db697b43 AS dotnet-sdk-10.0
-FROM mcr.microsoft.com/dotnet/sdk:11.0.100-rc.3-azurelinux4.0@sha256:7c9927bfbfe28dd2fd3567885bff2ab81265539e8018fe372f07427e3ede47c3 AS dotnet-sdk-11.0
+FROM mcr.microsoft.com/dotnet/sdk:11.0.100-azurelinux4.0@sha256:TODO AS dotnet-sdk-11.0
 
 FROM dotnet-sdk-${BUILD_SDK_VERSION} AS build
 ARG PUBLISH_CONFIGURATION=Release