diff --git a/.azure/pipelines/ci.yml b/.azure/pipelines/ci.yml
index 23668b1d6ac777f55d9c0d48f2c47a816cd782c1..cb0b5ed8a62a7edda0a884c3c98cb0407d34c1db 100644
--- a/.azure/pipelines/ci.yml
+++ b/.azure/pipelines/ci.yml
@@ -93,17 +93,17 @@ variables:
   - name: _InternalRuntimeDownloadCodeSignArgs
     value: ''
 - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
-  - group: DotNet-MSRC-Storage
+  - group: DotNetBuilds storage account read tokens
   - name: _InternalRuntimeDownloadArgs
-    value: -RuntimeSourceFeed https://dotnetclimsrc.blob.core.windows.net/dotnet
-           -RuntimeSourceFeedKey $(dotnetclimsrc-read-sas-token-base64)
-           /p:DotNetAssetRootAccessTokenSuffix='$(dotnetclimsrc-read-sas-token-base64)'
+    value: -RuntimeSourceFeed https://dotnetbuilds.blob.core.windows.net/internal
+           -RuntimeSourceFeedKey $(dotnetbuilds-internal-container-read-token-base64)
+           /p:DotNetAssetRootAccessTokenSuffix='$(dotnetbuilds-internal-container-read-token-base64)'
   # The code signing doesn't use the aspnet build scripts, so the msbuild parameters have to be passed directly. This
   # is awkward but necessary because the eng/common/ build scripts don't add the msbuild properties automatically.
   - name: _InternalRuntimeDownloadCodeSignArgs
     value: $(_InternalRuntimeDownloadArgs)
-           /p:DotNetRuntimeSourceFeed=https://dotnetclimsrc.blob.core.windows.net/dotnet
-           /p:DotNetRuntimeSourceFeedKey=$(dotnetclimsrc-read-sas-token-base64)
+           /p:DotNetRuntimeSourceFeed=https://dotnetbuilds.blob.core.windows.net/internal
+           /p:DotNetRuntimeSourceFeedKey=$(dotnetbuilds-internal-container-read-token-base64)
   - group: DotNet-HelixApi-Access
   - name: _UseHelixOpenQueues
     value: 'false'
@@ -528,7 +528,7 @@ stages:
       jobName: Linux_musl_x64_build
       jobDisplayName: "Build: Linux Musl x64"
       agentOs: Linux
-      container: mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.9-WithNode-0fc54a3-20190918214015
+      container: mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.14-WithNode-20210910135833-c401c85
       buildArgs:
         --arch x64
         --os-name linux-musl
@@ -736,7 +736,7 @@ stages:
       platform:
         name: 'Managed'
         container: 'mcr.microsoft.com/dotnet-buildtools/prereqs:centos-7-20210714125435-9b5bbc2'
-        buildScript: './eng/build.sh $(_PublishArgs) --no-build-repo-tasks'
+        buildScript: './eng/build.sh $(_PublishArgs) --no-build-repo-tasks $(_InternalRuntimeDownloadArgs)'
         skipPublishValidation: true
 
   # Publish to the BAR
diff --git a/.azure/pipelines/jobs/default-build.yml b/.azure/pipelines/jobs/default-build.yml
index 71156daac72026070954e35b6bfe9099e92ea227..46899dd8c3345a6d33f3cfd38fb2e967a04f5f41 100644
--- a/.azure/pipelines/jobs/default-build.yml
+++ b/.azure/pipelines/jobs/default-build.yml
@@ -220,6 +220,7 @@ jobs:
               # Include the variables we always want.
               COMPlus_DbgEnableMiniDump: 1
               COMPlus_DbgMiniDumpName: "$(System.DefaultWorkingDirectory)/dotnet-%d.%t.core"
+              DotNetBuildsInternalReadSasToken: $(dotnetbuilds-internal-container-read-token)
               # Expand provided `env:` properties, if any.
               ${{ if step.env }}:
                 ${{ step.env }}
@@ -230,12 +231,14 @@ jobs:
           env:
             COMPlus_DbgEnableMiniDump: 1
             COMPlus_DbgMiniDumpName: "$(System.DefaultWorkingDirectory)/dotnet-%d.%t.core"
+            DotNetBuildsInternalReadSasToken: $(dotnetbuilds-internal-container-read-token)
       - ${{ if ne(parameters.agentOs, 'Windows') }}:
         - script: $(BuildDirectory)/build.sh --ci --nobl --configuration $(BuildConfiguration) $(BuildScriptArgs)
           displayName: Run build.sh
           env:
             COMPlus_DbgEnableMiniDump: 1
             COMPlus_DbgMiniDumpName: "$(System.DefaultWorkingDirectory)/dotnet-%d.%t.core"
+            DotNetBuildsInternalReadSasToken: $(dotnetbuilds-internal-container-read-token)
 
     - ${{ parameters.afterBuild }}
 
diff --git a/NuGet.config b/NuGet.config
index 4b821f800992e3c37517c61bef0dc570f13f4abf..050fda0b4dcd3d819c706436559cfbc7f60a9ccf 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -4,8 +4,10 @@
     <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-runtime -->
+    <add key="darc-int-dotnet-runtime-839cdfb" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-runtime-839cdfb0/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-runtime -->
     <!--  Begin: Package sources from dotnet-efcore -->
+    <add key="darc-int-dotnet-efcore-d93f389" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-efcore-d93f3895/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-efcore -->
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
     <add key="dotnet-eng" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json" />
@@ -25,8 +27,10 @@
     <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-efcore -->
+    <add key="darc-int-dotnet-efcore-d93f389" value="true" />
     <!--  End: Package sources from dotnet-efcore -->
     <!--  Begin: Package sources from dotnet-runtime -->
+    <add key="darc-int-dotnet-runtime-839cdfb" value="true" />
     <!--  End: Package sources from dotnet-runtime -->
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
   </disabledPackageSources>
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 5ae1b2b2af565624ed63aab29b1972d4f2418481..963b575d9ae8d0eb97cbbe17198d58caa262300c 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -9,45 +9,45 @@
 -->
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="dotnet-ef" Version="6.0.1">
+    <Dependency Name="dotnet-ef" Version="6.0.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-efcore</Uri>
-      <Sha>41e6aaaf6216de904530de11b0bfd4af43fb13f7</Sha>
+      <Sha>d93f389536054e13de2f820fe89197aa374c01eb</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.EntityFrameworkCore.InMemory" Version="6.0.1">
+    <Dependency Name="Microsoft.EntityFrameworkCore.InMemory" Version="6.0.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-efcore</Uri>
-      <Sha>41e6aaaf6216de904530de11b0bfd4af43fb13f7</Sha>
+      <Sha>d93f389536054e13de2f820fe89197aa374c01eb</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.EntityFrameworkCore.Relational" Version="6.0.1">
+    <Dependency Name="Microsoft.EntityFrameworkCore.Relational" Version="6.0.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-efcore</Uri>
-      <Sha>41e6aaaf6216de904530de11b0bfd4af43fb13f7</Sha>
+      <Sha>d93f389536054e13de2f820fe89197aa374c01eb</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.EntityFrameworkCore.Sqlite" Version="6.0.1">
+    <Dependency Name="Microsoft.EntityFrameworkCore.Sqlite" Version="6.0.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-efcore</Uri>
-      <Sha>41e6aaaf6216de904530de11b0bfd4af43fb13f7</Sha>
+      <Sha>d93f389536054e13de2f820fe89197aa374c01eb</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.EntityFrameworkCore.SqlServer" Version="6.0.1">
+    <Dependency Name="Microsoft.EntityFrameworkCore.SqlServer" Version="6.0.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-efcore</Uri>
-      <Sha>41e6aaaf6216de904530de11b0bfd4af43fb13f7</Sha>
+      <Sha>d93f389536054e13de2f820fe89197aa374c01eb</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.EntityFrameworkCore.Tools" Version="6.0.1">
+    <Dependency Name="Microsoft.EntityFrameworkCore.Tools" Version="6.0.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-efcore</Uri>
-      <Sha>41e6aaaf6216de904530de11b0bfd4af43fb13f7</Sha>
+      <Sha>d93f389536054e13de2f820fe89197aa374c01eb</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.EntityFrameworkCore" Version="6.0.1">
+    <Dependency Name="Microsoft.EntityFrameworkCore" Version="6.0.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-efcore</Uri>
-      <Sha>41e6aaaf6216de904530de11b0bfd4af43fb13f7</Sha>
+      <Sha>d93f389536054e13de2f820fe89197aa374c01eb</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.EntityFrameworkCore.Design" Version="6.0.1">
+    <Dependency Name="Microsoft.EntityFrameworkCore.Design" Version="6.0.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-efcore</Uri>
-      <Sha>41e6aaaf6216de904530de11b0bfd4af43fb13f7</Sha>
+      <Sha>d93f389536054e13de2f820fe89197aa374c01eb</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Extensions.Caching.Abstractions" Version="6.0.0">
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>4822e3c3aa77eb82b2fb33c9321f923cf11ddde6</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Extensions.Caching.Memory" Version="6.0.0">
-      <Uri>https://github.com/dotnet/runtime</Uri>
-      <Sha>4822e3c3aa77eb82b2fb33c9321f923cf11ddde6</Sha>
+    <Dependency Name="Microsoft.Extensions.Caching.Memory" Version="6.0.1">
+      <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
+      <Sha>839cdfb0ecca5e0be3dbccd926e7651ef50fdf10</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Extensions.Configuration.Abstractions" Version="6.0.0">
       <Uri>https://github.com/dotnet/runtime</Uri>
@@ -61,9 +61,9 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>4822e3c3aa77eb82b2fb33c9321f923cf11ddde6</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="6.0.0">
-      <Uri>https://github.com/dotnet/runtime</Uri>
-      <Sha>4822e3c3aa77eb82b2fb33c9321f923cf11ddde6</Sha>
+    <Dependency Name="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="6.0.1">
+      <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
+      <Sha>839cdfb0ecca5e0be3dbccd926e7651ef50fdf10</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Extensions.Configuration.FileExtensions" Version="6.0.0">
       <Uri>https://github.com/dotnet/runtime</Uri>
@@ -77,9 +77,9 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>4822e3c3aa77eb82b2fb33c9321f923cf11ddde6</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Extensions.Configuration.UserSecrets" Version="6.0.0">
-      <Uri>https://github.com/dotnet/runtime</Uri>
-      <Sha>4822e3c3aa77eb82b2fb33c9321f923cf11ddde6</Sha>
+    <Dependency Name="Microsoft.Extensions.Configuration.UserSecrets" Version="6.0.1">
+      <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
+      <Sha>839cdfb0ecca5e0be3dbccd926e7651ef50fdf10</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Extensions.Configuration.Xml" Version="6.0.0">
       <Uri>https://github.com/dotnet/runtime</Uri>
@@ -121,9 +121,9 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>4822e3c3aa77eb82b2fb33c9321f923cf11ddde6</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Extensions.Hosting" Version="6.0.0">
-      <Uri>https://github.com/dotnet/runtime</Uri>
-      <Sha>4822e3c3aa77eb82b2fb33c9321f923cf11ddde6</Sha>
+    <Dependency Name="Microsoft.Extensions.Hosting" Version="6.0.1">
+      <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
+      <Sha>839cdfb0ecca5e0be3dbccd926e7651ef50fdf10</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Extensions.Http" Version="6.0.0">
       <Uri>https://github.com/dotnet/runtime</Uri>
@@ -177,9 +177,9 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>4822e3c3aa77eb82b2fb33c9321f923cf11ddde6</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Internal.Runtime.AspNetCore.Transport" Version="6.0.1-servicing.21567.5">
+    <Dependency Name="Microsoft.Internal.Runtime.AspNetCore.Transport" Version="6.0.2-servicing.22064.6">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
-      <Sha>3a25a7f1cc446b60678ed25c9d829420d6321eba</Sha>
+      <Sha>839cdfb0ecca5e0be3dbccd926e7651ef50fdf10</Sha>
     </Dependency>
     <Dependency Name="System.Diagnostics.DiagnosticSource" Version="6.0.0">
       <Uri>https://github.com/dotnet/runtime</Uri>
@@ -189,13 +189,13 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>4822e3c3aa77eb82b2fb33c9321f923cf11ddde6</Sha>
     </Dependency>
-    <Dependency Name="System.DirectoryServices.Protocols" Version="6.0.0">
-      <Uri>https://github.com/dotnet/runtime</Uri>
-      <Sha>4822e3c3aa77eb82b2fb33c9321f923cf11ddde6</Sha>
+    <Dependency Name="System.DirectoryServices.Protocols" Version="6.0.1">
+      <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
+      <Sha>839cdfb0ecca5e0be3dbccd926e7651ef50fdf10</Sha>
     </Dependency>
-    <Dependency Name="System.IO.Pipelines" Version="6.0.1">
+    <Dependency Name="System.IO.Pipelines" Version="6.0.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
-      <Sha>3a25a7f1cc446b60678ed25c9d829420d6321eba</Sha>
+      <Sha>839cdfb0ecca5e0be3dbccd926e7651ef50fdf10</Sha>
     </Dependency>
     <Dependency Name="System.Net.Http.Json" Version="6.0.0">
       <Uri>https://github.com/dotnet/runtime</Uri>
@@ -233,9 +233,9 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>4822e3c3aa77eb82b2fb33c9321f923cf11ddde6</Sha>
     </Dependency>
-    <Dependency Name="System.Text.Json" Version="6.0.1">
+    <Dependency Name="System.Text.Json" Version="6.0.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
-      <Sha>3a25a7f1cc446b60678ed25c9d829420d6321eba</Sha>
+      <Sha>839cdfb0ecca5e0be3dbccd926e7651ef50fdf10</Sha>
     </Dependency>
     <Dependency Name="System.Threading.Channels" Version="6.0.0">
       <Uri>https://github.com/dotnet/runtime</Uri>
@@ -245,33 +245,33 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>4822e3c3aa77eb82b2fb33c9321f923cf11ddde6</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NETCore.App.Ref" Version="6.0.1">
+    <Dependency Name="Microsoft.NETCore.App.Ref" Version="6.0.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
-      <Sha>3a25a7f1cc446b60678ed25c9d829420d6321eba</Sha>
+      <Sha>839cdfb0ecca5e0be3dbccd926e7651ef50fdf10</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NET.Runtime.MonoAOTCompiler.Task" Version="6.0.1">
+    <Dependency Name="Microsoft.NET.Runtime.MonoAOTCompiler.Task" Version="6.0.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
-      <Sha>3a25a7f1cc446b60678ed25c9d829420d6321eba</Sha>
+      <Sha>839cdfb0ecca5e0be3dbccd926e7651ef50fdf10</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NET.Runtime.WebAssembly.Sdk" Version="6.0.1">
+    <Dependency Name="Microsoft.NET.Runtime.WebAssembly.Sdk" Version="6.0.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
-      <Sha>3a25a7f1cc446b60678ed25c9d829420d6321eba</Sha>
+      <Sha>839cdfb0ecca5e0be3dbccd926e7651ef50fdf10</Sha>
     </Dependency>
     <!--
          Win-x64 is used here because we have picked an arbitrary runtime identifier to flow the version of the latest NETCore.App runtime.
          All Runtime.$rid packages should have the same version.
     -->
-    <Dependency Name="Microsoft.NETCore.App.Runtime.win-x64" Version="6.0.1">
+    <Dependency Name="Microsoft.NETCore.App.Runtime.win-x64" Version="6.0.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
-      <Sha>3a25a7f1cc446b60678ed25c9d829420d6321eba</Sha>
+      <Sha>839cdfb0ecca5e0be3dbccd926e7651ef50fdf10</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.browser-wasm" Version="6.0.1">
+    <Dependency Name="Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.browser-wasm" Version="6.0.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
-      <Sha>3a25a7f1cc446b60678ed25c9d829420d6321eba</Sha>
+      <Sha>839cdfb0ecca5e0be3dbccd926e7651ef50fdf10</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NETCore.BrowserDebugHost.Transport" Version="6.0.1-servicing.21567.5">
+    <Dependency Name="Microsoft.NETCore.BrowserDebugHost.Transport" Version="6.0.2-servicing.22064.6">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
-      <Sha>3a25a7f1cc446b60678ed25c9d829420d6321eba</Sha>
+      <Sha>839cdfb0ecca5e0be3dbccd926e7651ef50fdf10</Sha>
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
diff --git a/eng/Versions.props b/eng/Versions.props
index 478ad4fd8fbe7955e1eb80d55d304a96df3390f1..faa0941d66801b2727fa2e3e2a6e9a388f481e02 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -63,23 +63,23 @@
   <PropertyGroup Label="Automated">
     <!-- Packages from dotnet/runtime -->
     <MicrosoftExtensionsDependencyModelVersion>6.0.0</MicrosoftExtensionsDependencyModelVersion>
-    <MicrosoftNETCoreAppRefVersion>6.0.1</MicrosoftNETCoreAppRefVersion>
-    <MicrosoftNETCoreAppRuntimewinx64Version>6.0.1</MicrosoftNETCoreAppRuntimewinx64Version>
-    <MicrosoftNETRuntimeMonoAOTCompilerTaskVersion>6.0.1</MicrosoftNETRuntimeMonoAOTCompilerTaskVersion>
-    <MicrosoftNETRuntimeWebAssemblySdkVersion>6.0.1</MicrosoftNETRuntimeWebAssemblySdkVersion>
-    <MicrosoftNETCoreAppRuntimeAOTwinx64CrossbrowserwasmVersion>6.0.1</MicrosoftNETCoreAppRuntimeAOTwinx64CrossbrowserwasmVersion>
-    <MicrosoftNETCoreBrowserDebugHostTransportVersion>6.0.1-servicing.21567.5</MicrosoftNETCoreBrowserDebugHostTransportVersion>
+    <MicrosoftNETCoreAppRefVersion>6.0.2</MicrosoftNETCoreAppRefVersion>
+    <MicrosoftNETCoreAppRuntimewinx64Version>6.0.2</MicrosoftNETCoreAppRuntimewinx64Version>
+    <MicrosoftNETRuntimeMonoAOTCompilerTaskVersion>6.0.2</MicrosoftNETRuntimeMonoAOTCompilerTaskVersion>
+    <MicrosoftNETRuntimeWebAssemblySdkVersion>6.0.2</MicrosoftNETRuntimeWebAssemblySdkVersion>
+    <MicrosoftNETCoreAppRuntimeAOTwinx64CrossbrowserwasmVersion>6.0.2</MicrosoftNETCoreAppRuntimeAOTwinx64CrossbrowserwasmVersion>
+    <MicrosoftNETCoreBrowserDebugHostTransportVersion>6.0.2-servicing.22064.6</MicrosoftNETCoreBrowserDebugHostTransportVersion>
     <MicrosoftExtensionsCachingAbstractionsVersion>6.0.0</MicrosoftExtensionsCachingAbstractionsVersion>
-    <MicrosoftExtensionsCachingMemoryVersion>6.0.0</MicrosoftExtensionsCachingMemoryVersion>
+    <MicrosoftExtensionsCachingMemoryVersion>6.0.1</MicrosoftExtensionsCachingMemoryVersion>
     <MicrosoftExtensionsConfigurationAbstractionsVersion>6.0.0</MicrosoftExtensionsConfigurationAbstractionsVersion>
     <MicrosoftExtensionsConfigurationBinderVersion>6.0.0</MicrosoftExtensionsConfigurationBinderVersion>
     <MicrosoftExtensionsConfigurationCommandLineVersion>6.0.0</MicrosoftExtensionsConfigurationCommandLineVersion>
-    <MicrosoftExtensionsConfigurationEnvironmentVariablesVersion>6.0.0</MicrosoftExtensionsConfigurationEnvironmentVariablesVersion>
+    <MicrosoftExtensionsConfigurationEnvironmentVariablesVersion>6.0.1</MicrosoftExtensionsConfigurationEnvironmentVariablesVersion>
     <MicrosoftExtensionsConfigurationFileExtensionsVersion>6.0.0</MicrosoftExtensionsConfigurationFileExtensionsVersion>
     <MicrosoftExtensionsConfigurationIniVersion>6.0.0</MicrosoftExtensionsConfigurationIniVersion>
     <MicrosoftExtensionsConfigurationJsonVersion>6.0.0</MicrosoftExtensionsConfigurationJsonVersion>
     <MicrosoftExtensionsConfigurationVersion>6.0.0</MicrosoftExtensionsConfigurationVersion>
-    <MicrosoftExtensionsConfigurationUserSecretsVersion>6.0.0</MicrosoftExtensionsConfigurationUserSecretsVersion>
+    <MicrosoftExtensionsConfigurationUserSecretsVersion>6.0.1</MicrosoftExtensionsConfigurationUserSecretsVersion>
     <MicrosoftExtensionsConfigurationXmlVersion>6.0.0</MicrosoftExtensionsConfigurationXmlVersion>
     <MicrosoftExtensionsDependencyInjectionAbstractionsVersion>6.0.0</MicrosoftExtensionsDependencyInjectionAbstractionsVersion>
     <MicrosoftExtensionsDependencyInjectionVersion>6.0.0</MicrosoftExtensionsDependencyInjectionVersion>
@@ -89,7 +89,7 @@
     <MicrosoftExtensionsFileSystemGlobbingVersion>6.0.0</MicrosoftExtensionsFileSystemGlobbingVersion>
     <MicrosoftExtensionsHostFactoryResolverSourcesVersion>6.0.1-servicing.21567.5</MicrosoftExtensionsHostFactoryResolverSourcesVersion>
     <MicrosoftExtensionsHostingAbstractionsVersion>6.0.0</MicrosoftExtensionsHostingAbstractionsVersion>
-    <MicrosoftExtensionsHostingVersion>6.0.0</MicrosoftExtensionsHostingVersion>
+    <MicrosoftExtensionsHostingVersion>6.0.1</MicrosoftExtensionsHostingVersion>
     <MicrosoftExtensionsHttpVersion>6.0.0</MicrosoftExtensionsHttpVersion>
     <MicrosoftExtensionsLoggingAbstractionsVersion>6.0.0</MicrosoftExtensionsLoggingAbstractionsVersion>
     <MicrosoftExtensionsLoggingConfigurationVersion>6.0.0</MicrosoftExtensionsLoggingConfigurationVersion>
@@ -103,11 +103,11 @@
     <MicrosoftExtensionsOptionsDataAnnotationsVersion>6.0.0</MicrosoftExtensionsOptionsDataAnnotationsVersion>
     <MicrosoftExtensionsOptionsVersion>6.0.0</MicrosoftExtensionsOptionsVersion>
     <MicrosoftExtensionsPrimitivesVersion>6.0.0</MicrosoftExtensionsPrimitivesVersion>
-    <MicrosoftInternalRuntimeAspNetCoreTransportVersion>6.0.1-servicing.21567.5</MicrosoftInternalRuntimeAspNetCoreTransportVersion>
+    <MicrosoftInternalRuntimeAspNetCoreTransportVersion>6.0.2-servicing.22064.6</MicrosoftInternalRuntimeAspNetCoreTransportVersion>
     <SystemDiagnosticsDiagnosticSourceVersion>6.0.0</SystemDiagnosticsDiagnosticSourceVersion>
     <SystemDiagnosticsEventLogVersion>6.0.0</SystemDiagnosticsEventLogVersion>
-    <SystemDirectoryServicesProtocolsVersion>6.0.0</SystemDirectoryServicesProtocolsVersion>
-    <SystemIOPipelinesVersion>6.0.1</SystemIOPipelinesVersion>
+    <SystemDirectoryServicesProtocolsVersion>6.0.1</SystemDirectoryServicesProtocolsVersion>
+    <SystemIOPipelinesVersion>6.0.2</SystemIOPipelinesVersion>
     <SystemNetHttpJsonVersion>6.0.0</SystemNetHttpJsonVersion>
     <SystemNetHttpWinHttpHandlerVersion>6.0.0</SystemNetHttpWinHttpHandlerVersion>
     <SystemReflectionMetadataVersion>6.0.0</SystemReflectionMetadataVersion>
@@ -117,19 +117,19 @@
     <SystemSecurityCryptographyXmlVersion>6.0.0</SystemSecurityCryptographyXmlVersion>
     <SystemServiceProcessServiceControllerVersion>6.0.0</SystemServiceProcessServiceControllerVersion>
     <SystemTextEncodingsWebVersion>6.0.0</SystemTextEncodingsWebVersion>
-    <SystemTextJsonVersion>6.0.1</SystemTextJsonVersion>
+    <SystemTextJsonVersion>6.0.2</SystemTextJsonVersion>
     <SystemThreadingChannelsVersion>6.0.0</SystemThreadingChannelsVersion>
     <!-- Only listed explicitly to workaround https://github.com/dotnet/cli/issues/10528 -->
     <MicrosoftNETCorePlatformsVersion>6.0.1</MicrosoftNETCorePlatformsVersion>
     <!-- Packages from dotnet/efcore -->
-    <dotnetefVersion>6.0.1</dotnetefVersion>
-    <MicrosoftEntityFrameworkCoreInMemoryVersion>6.0.1</MicrosoftEntityFrameworkCoreInMemoryVersion>
-    <MicrosoftEntityFrameworkCoreRelationalVersion>6.0.1</MicrosoftEntityFrameworkCoreRelationalVersion>
-    <MicrosoftEntityFrameworkCoreSqliteVersion>6.0.1</MicrosoftEntityFrameworkCoreSqliteVersion>
-    <MicrosoftEntityFrameworkCoreSqlServerVersion>6.0.1</MicrosoftEntityFrameworkCoreSqlServerVersion>
-    <MicrosoftEntityFrameworkCoreToolsVersion>6.0.1</MicrosoftEntityFrameworkCoreToolsVersion>
-    <MicrosoftEntityFrameworkCoreVersion>6.0.1</MicrosoftEntityFrameworkCoreVersion>
-    <MicrosoftEntityFrameworkCoreDesignVersion>6.0.1</MicrosoftEntityFrameworkCoreDesignVersion>
+    <dotnetefVersion>6.0.2</dotnetefVersion>
+    <MicrosoftEntityFrameworkCoreInMemoryVersion>6.0.2</MicrosoftEntityFrameworkCoreInMemoryVersion>
+    <MicrosoftEntityFrameworkCoreRelationalVersion>6.0.2</MicrosoftEntityFrameworkCoreRelationalVersion>
+    <MicrosoftEntityFrameworkCoreSqliteVersion>6.0.2</MicrosoftEntityFrameworkCoreSqliteVersion>
+    <MicrosoftEntityFrameworkCoreSqlServerVersion>6.0.2</MicrosoftEntityFrameworkCoreSqlServerVersion>
+    <MicrosoftEntityFrameworkCoreToolsVersion>6.0.2</MicrosoftEntityFrameworkCoreToolsVersion>
+    <MicrosoftEntityFrameworkCoreVersion>6.0.2</MicrosoftEntityFrameworkCoreVersion>
+    <MicrosoftEntityFrameworkCoreDesignVersion>6.0.2</MicrosoftEntityFrameworkCoreDesignVersion>
     <!-- Packages from dotnet/arcade -->
     <MicrosoftDotNetBuildTasksInstallersVersion>6.0.0-beta.22102.3</MicrosoftDotNetBuildTasksInstallersVersion>
     <MicrosoftDotNetBuildTasksTemplatingVersion>6.0.0-beta.22102.3</MicrosoftDotNetBuildTasksTemplatingVersion>
@@ -270,6 +270,6 @@
   <PropertyGroup Label="Restore feeds">
     <!-- In an orchestrated build, this may be overridden to other Azure feeds. -->
     <DotNetAssetRootUrl Condition="'$(DotNetAssetRootUrl)'==''">https://dotnetcli.azureedge.net/dotnet/</DotNetAssetRootUrl>
-    <DotNetPrivateAssetRootUrl Condition="'$(DotNetPrivateAssetRootUrl)'==''">https://dotnetclimsrc.blob.core.windows.net/dotnet/</DotNetPrivateAssetRootUrl>
+    <DotNetPrivateAssetRootUrl Condition="'$(DotNetPrivateAssetRootUrl)'==''"> https://dotnetbuilds.azureedge.net/internal/</DotNetPrivateAssetRootUrl>
   </PropertyGroup>
 </Project>
diff --git a/eng/helix/helix.proj b/eng/helix/helix.proj
index 392c90bd1e077238a0edd7493857d99320e27ac4..56ecf5c1fbdd63ded00963383cfddc0e94b60d86 100644
--- a/eng/helix/helix.proj
+++ b/eng/helix/helix.proj
@@ -29,6 +29,9 @@
     <DotNetCliVersion>$(NETCoreSdkVersion)</DotNetCliVersion>
     <DotNetCliChannel>Current</DotNetCliChannel>
 
+    <ArchiveExtension>.tar.gz</ArchiveExtension>
+    <ArchiveExtension Condition="'$(IsWindowsHelixQueue)' == 'true'">.zip</ArchiveExtension>
+
     <!-- Similar to ProjectLayout.props in the Arcade SDK. The Helix SDK contains nothing similar. -->
     <OutputPath Condition=" '$(OutputPath)' == '' ">$(RepoRoot)artifacts\bin\$(MSBuildProjectName)\</OutputPath>
   </PropertyGroup>
@@ -37,10 +40,11 @@
   <ItemGroup>
     <!--
       Use the BrowserDebugHost transport package as a sentinel for the non-shipping version of the NETCoreApp shared framework.
+      !temporary! e.g. https://dotnetbuilds.blob.core.windows.net/internal/Runtime/6.0.2-servicing.22060.12/dotnet-runtime-6.0.2-win-x86.zip?{token}
     -->
-    <AdditionalDotNetPackage Include="$(MicrosoftNETCoreBrowserDebugHostTransportVersion)">
-      <PackageType>runtime</PackageType>
-    </AdditionalDotNetPackage>
+    <HelixCorrelationPayload Include="dotnet-cli"
+        Destination="dotnet-cli"
+        Uri="https://dotnetbuilds.blob.core.windows.net/internal/Runtime/$(MicrosoftNETCoreBrowserDebugHostTransportVersion)/dotnet-runtime-$(MicrosoftNETCoreAppRuntimeVersion)-$(DotNetCliRuntime)$(ArchiveExtension)$([System.Environment]::GetEnvironmentVariable('DotNetBuildsInternalReadSasToken'))" />
   </ItemGroup>
 
   <PropertyGroup Condition=" '$(ContinuousIntegrationBuild)' == 'true' ">
diff --git a/eng/targets/Helix.Common.props b/eng/targets/Helix.Common.props
index c82fe494c85f5b06e75e6d78c5db31249f485e1a..f17314b89e81348f0cba283166931660eddc436e 100644
--- a/eng/targets/Helix.Common.props
+++ b/eng/targets/Helix.Common.props
@@ -62,4 +62,11 @@
   <ItemGroup Condition="'$(TargetArchitecture)' == 'arm64' AND '$(IsHelixDaily)' == 'true' AND '$(_UseHelixOpenQueues)' == 'true' AND '$(IsWindowsOnlyTest)' != 'true'">
     <HelixAvailableTargetQueue Include="Windows.10.Arm64v8.Open" Platform="Windows" />
   </ItemGroup>
+
+  <PropertyGroup>
+    <IsWindowsHelixQueue>false</IsWindowsHelixQueue>
+    <IsWindowsHelixQueue Condition="$(HelixTargetQueue.Contains('Windows')) or $(HelixTargetQueue.Contains('windows'))">true</IsWindowsHelixQueue>
+    <IsMacHelixQueue>false</IsMacHelixQueue>
+    <IsMacHelixQueue Condition="$(HelixTargetQueue.Contains('OSX')) or $(HelixTargetQueue.Contains('macOs'))">true</IsMacHelixQueue>
+  </PropertyGroup>
 </Project>
diff --git a/eng/targets/Helix.props b/eng/targets/Helix.props
index bc0dfe046eaeed2ec605a5ec7feeceeffd55d694..dc2bad9552b929358cfb73b3a63e95b276eed75c 100644
--- a/eng/targets/Helix.props
+++ b/eng/targets/Helix.props
@@ -14,10 +14,6 @@
     <HelixTimeout>00:30:00</HelixTimeout>
     <HelixTimeout Condition="$(HelixTargetQueue.StartsWith('Windows.10.Amd64'))">00:40:00</HelixTimeout>
     <RunQuarantinedTests>false</RunQuarantinedTests>
-    <IsWindowsHelixQueue>false</IsWindowsHelixQueue>
-    <IsWindowsHelixQueue Condition="$(HelixTargetQueue.Contains('Windows')) or $(HelixTargetQueue.Contains('windows'))">true</IsWindowsHelixQueue>
-    <IsMacHelixQueue>false</IsMacHelixQueue>
-    <IsMacHelixQueue Condition="$(HelixTargetQueue.Contains('OSX')) or $(HelixTargetQueue.Contains('macOs'))">true</IsMacHelixQueue>
     <HelixTestName>$(MSBuildProjectName)--$(TargetFramework)</HelixTestName>
     <LoggingTestingDisableFileLogging Condition="'$(IsHelixJob)' == 'true'">false</LoggingTestingDisableFileLogging>
     <NodeVersion>14.17.6</NodeVersion>
diff --git a/src/Servers/Kestrel/Core/src/Internal/Http2/Http2Connection.cs b/src/Servers/Kestrel/Core/src/Internal/Http2/Http2Connection.cs
index a9e10b912dc19686cbe6913b96c3529199535a35..2f54decb91b64dbcf0d838c487f5fa90640a3909 100644
--- a/src/Servers/Kestrel/Core/src/Internal/Http2/Http2Connection.cs
+++ b/src/Servers/Kestrel/Core/src/Internal/Http2/Http2Connection.cs
@@ -977,6 +977,8 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http2
 
                 if (endHeaders)
                 {
+                    _currentHeadersStream.OnHeadersComplete();
+                    
                     StartStream();
                     ResetRequestHeaderParsingState();
                 }
diff --git a/src/Servers/Kestrel/Core/src/Internal/Http3/Http3Connection.cs b/src/Servers/Kestrel/Core/src/Internal/Http3/Http3Connection.cs
index 3452bd52d7a0e5e02fe820ee242b28ee85aa34b4..3d601eff2a2a7e98efec44d86b094f28c5ac6871 100644
--- a/src/Servers/Kestrel/Core/src/Internal/Http3/Http3Connection.cs
+++ b/src/Servers/Kestrel/Core/src/Internal/Http3/Http3Connection.cs
@@ -24,7 +24,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http3
 {
     internal class Http3Connection : IHttp3StreamLifetimeHandler, IRequestProcessor
     {
-        private static readonly object StreamPersistentStateKey = new object();
+        internal static readonly object StreamPersistentStateKey = new object();
 
         // Internal for unit testing
         internal readonly Dictionary<long, IHttp3Stream> _streams = new Dictionary<long, IHttp3Stream>();
diff --git a/src/Servers/Kestrel/Core/src/Internal/Http3/Http3Stream.cs b/src/Servers/Kestrel/Core/src/Internal/Http3/Http3Stream.cs
index ea69197bc27e093dde66de59fe862a0cb337709d..c1086dc02a85773b6b95827aa2eecd10ec64f874 100644
--- a/src/Servers/Kestrel/Core/src/Internal/Http3/Http3Stream.cs
+++ b/src/Servers/Kestrel/Core/src/Internal/Http3/Http3Stream.cs
@@ -662,6 +662,8 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http3
 
             InputRemaining = HttpRequestHeaders.ContentLength;
 
+            OnHeadersComplete();
+
             // If the stream is complete after receiving the headers then run OnEndStreamReceived.
             // If there is a bad content length then this will throw before the request delegate is called.
             if (isCompleted)
diff --git a/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/Http2ConnectionTests.cs b/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/Http2ConnectionTests.cs
index 3016d57237f53851c5c5d7ba1f5c5a737f5b0d62..6a9656d9f730a439104309258ebc17e5082182dc 100644
--- a/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/Http2ConnectionTests.cs
+++ b/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/Http2ConnectionTests.cs
@@ -10,6 +10,7 @@ using System.IO;
 using System.Linq;
 using System.Net.Http;
 using System.Net.Http.HPack;
+using System.Reflection;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
@@ -211,6 +212,73 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Tests
             await StopConnectionAsync(expectedLastStreamId: 3, ignoreNonGoAwayFrames: false);
         }
 
+        [Fact]
+        public async Task RequestHeaderStringReuse_MultipleStreams_KnownHeaderClearedIfNotReused()
+        {
+            const BindingFlags privateFlags = BindingFlags.NonPublic | BindingFlags.Instance;
+
+            IEnumerable<KeyValuePair<string, string>> requestHeaders1 = new[]
+            {
+                new KeyValuePair<string, string>(HeaderNames.Method, "GET"),
+                new KeyValuePair<string, string>(HeaderNames.Path, "/hello"),
+                new KeyValuePair<string, string>(HeaderNames.Scheme, "http"),
+                new KeyValuePair<string, string>(HeaderNames.Authority, "localhost:80"),
+                new KeyValuePair<string, string>(HeaderNames.ContentType, "application/json")
+            };
+
+            // Note: No content-type
+            IEnumerable<KeyValuePair<string, string>> requestHeaders2 = new[]
+            {
+                new KeyValuePair<string, string>(HeaderNames.Method, "GET"),
+                new KeyValuePair<string, string>(HeaderNames.Path, "/hello"),
+                new KeyValuePair<string, string>(HeaderNames.Scheme, "http"),
+                new KeyValuePair<string, string>(HeaderNames.Authority, "localhost:80")
+            };
+
+            await InitializeConnectionAsync(_noopApplication);
+
+            await StartStreamAsync(1, requestHeaders1, endStream: true);
+
+            await ExpectAsync(Http2FrameType.HEADERS,
+                withLength: 36,
+                withFlags: (byte)(Http2HeadersFrameFlags.END_HEADERS | Http2HeadersFrameFlags.END_STREAM),
+                withStreamId: 1);
+
+            // TriggerTick will trigger the stream to be returned to the pool so we can assert it
+            TriggerTick(_serviceContext.MockSystemClock.UtcNow);
+
+            // Stream has been returned to the pool
+            Assert.Equal(1, _connection.StreamPool.Count);
+            Assert.True(_connection.StreamPool.TryPeek(out var stream1));
+
+            // Hacky but required because header references is private.
+            var headerReferences1 = typeof(HttpRequestHeaders).GetField("_headers", privateFlags).GetValue(stream1.RequestHeaders);
+            var contentTypeValue1 = (StringValues)headerReferences1.GetType().GetField("_ContentType").GetValue(headerReferences1);
+
+            await StartStreamAsync(3, requestHeaders2, endStream: true);
+
+            await ExpectAsync(Http2FrameType.HEADERS,
+                withLength: 6,
+                withFlags: (byte)(Http2HeadersFrameFlags.END_HEADERS | Http2HeadersFrameFlags.END_STREAM),
+                withStreamId: 3);
+
+            // TriggerTick will trigger the stream to be returned to the pool so we can assert it
+            TriggerTick(_serviceContext.MockSystemClock.UtcNow);
+
+            // Stream has been returned to the pool
+            Assert.Equal(1, _connection.StreamPool.Count);
+            Assert.True(_connection.StreamPool.TryPeek(out var stream2));
+
+            // Hacky but required because header references is private.
+            var headerReferences2 = typeof(HttpRequestHeaders).GetField("_headers", privateFlags).GetValue(stream2.RequestHeaders);
+            var contentTypeValue2 = (StringValues)headerReferences2.GetType().GetField("_ContentType").GetValue(headerReferences2);
+
+            Assert.Equal("application/json", contentTypeValue1);
+            Assert.Equal(StringValues.Empty, contentTypeValue2);
+
+            await StopConnectionAsync(expectedLastStreamId: 3, ignoreNonGoAwayFrames: false);
+        }
+
         private class ResponseTrailersWrapper : IHeaderDictionary
         {
             readonly IHeaderDictionary _innerHeaders;
diff --git a/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http3/Http3ConnectionTests.cs b/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http3/Http3ConnectionTests.cs
index ead3a1656bdc398134a0d7f948b1d61193d8ffc2..b83f3b64deb4e77523d72750d48f3d79945de2a0 100644
--- a/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http3/Http3ConnectionTests.cs
+++ b/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http3/Http3ConnectionTests.cs
@@ -6,14 +6,18 @@ using System.Buffers;
 using System.Collections.Generic;
 using System.Globalization;
 using System.Net.Http;
+using System.Reflection;
 using System.Text;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Connections;
+using Microsoft.AspNetCore.Connections.Features;
 using Microsoft.AspNetCore.Http.Features;
+using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http3;
 using Microsoft.AspNetCore.Testing;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Primitives;
 using Microsoft.Net.Http.Headers;
 using Xunit;
 using Http3SettingType = Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http3.Http3SettingType;
@@ -334,6 +338,49 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Tests
             Assert.Same(streamContext1, streamContext2);
         }
 
+        [Fact]
+        public async Task RequestHeaderStringReuse_MultipleStreams_KnownHeaderClearedIfNotReused()
+        {
+            const BindingFlags privateFlags = BindingFlags.NonPublic | BindingFlags.Instance;
+
+            KeyValuePair<string, string>[] requestHeaders1 = new[]
+            {
+                new KeyValuePair<string, string>(HeaderNames.Method, "GET"),
+                new KeyValuePair<string, string>(HeaderNames.Path, "/hello"),
+                new KeyValuePair<string, string>(HeaderNames.Scheme, "http"),
+                new KeyValuePair<string, string>(HeaderNames.Authority, "localhost:80"),
+                new KeyValuePair<string, string>(HeaderNames.ContentType, "application/json")
+            };
+
+            // Note: No content-type
+            KeyValuePair<string, string>[] requestHeaders2 = new[]
+            {
+                new KeyValuePair<string, string>(HeaderNames.Method, "GET"),
+                new KeyValuePair<string, string>(HeaderNames.Path, "/hello"),
+                new KeyValuePair<string, string>(HeaderNames.Scheme, "http"),
+                new KeyValuePair<string, string>(HeaderNames.Authority, "localhost:80")
+            };
+
+            await Http3Api.InitializeConnectionAsync(_echoApplication);
+
+            var streamContext1 = await MakeRequestAsync(0, requestHeaders1, sendData: true, waitForServerDispose: true);
+            var http3Stream1 = (Http3Stream)streamContext1.Features.Get<IPersistentStateFeature>().State[Http3Connection.StreamPersistentStateKey];
+
+            // Hacky but required because header references is private.
+            var headerReferences1 = typeof(HttpRequestHeaders).GetField("_headers", privateFlags).GetValue(http3Stream1.RequestHeaders);
+            var contentTypeValue1 = (StringValues)headerReferences1.GetType().GetField("_ContentType").GetValue(headerReferences1);
+
+            var streamContext2 = await MakeRequestAsync(1, requestHeaders2, sendData: true, waitForServerDispose: true);
+            var http3Stream2 = (Http3Stream)streamContext2.Features.Get<IPersistentStateFeature>().State[Http3Connection.StreamPersistentStateKey];
+
+            // Hacky but required because header references is private.
+            var headerReferences2 = typeof(HttpRequestHeaders).GetField("_headers", privateFlags).GetValue(http3Stream2.RequestHeaders);
+            var contentTypeValue2 = (StringValues)headerReferences1.GetType().GetField("_ContentType").GetValue(headerReferences2);
+
+            Assert.Equal("application/json", contentTypeValue1);
+            Assert.Equal(StringValues.Empty, contentTypeValue2);
+        }
+
         [Theory]
         [InlineData(10)]
         [InlineData(100)]