diff --git a/eng/Version.Details.props b/eng/Version.Details.props
index 2fa7d1bc38..ff875006d5 100644
--- a/eng/Version.Details.props
+++ b/eng/Version.Details.props
@@ -20,11 +20,11 @@ This file should be imported by eng/Versions.props
     <runtimewinarm64MicrosoftNETCoreRuntimeWasmPythonTransportPackageVersion>11.0.0-alpha.1.26308.2</runtimewinarm64MicrosoftNETCoreRuntimeWasmPythonTransportPackageVersion>
     <runtimewinx64MicrosoftNETCoreRuntimeWasmPythonTransportPackageVersion>11.0.0-alpha.1.26308.2</runtimewinx64MicrosoftNETCoreRuntimeWasmPythonTransportPackageVersion>
     <!-- dotnet-dotnet dependencies -->
-    <MicrosoftDotNetArcadeSdkPackageVersion>11.0.0-beta.26311.113</MicrosoftDotNetArcadeSdkPackageVersion>
-    <MicrosoftDotNetBuildTasksPackagingPackageVersion>11.0.0-beta.26311.113</MicrosoftDotNetBuildTasksPackagingPackageVersion>
-    <MicrosoftDotNetBuildTasksTemplatingPackageVersion>11.0.0-beta.26311.113</MicrosoftDotNetBuildTasksTemplatingPackageVersion>
-    <MicrosoftDotNetHelixSdkPackageVersion>11.0.0-beta.26311.113</MicrosoftDotNetHelixSdkPackageVersion>
-    <MicrosoftDotNetXliffTasksPackageVersion>11.0.0-beta.26311.113</MicrosoftDotNetXliffTasksPackageVersion>
+    <MicrosoftDotNetArcadeSdkPackageVersion>11.0.0-beta.26328.106</MicrosoftDotNetArcadeSdkPackageVersion>
+    <MicrosoftDotNetBuildTasksPackagingPackageVersion>11.0.0-beta.26328.106</MicrosoftDotNetBuildTasksPackagingPackageVersion>
+    <MicrosoftDotNetBuildTasksTemplatingPackageVersion>11.0.0-beta.26328.106</MicrosoftDotNetBuildTasksTemplatingPackageVersion>
+    <MicrosoftDotNetHelixSdkPackageVersion>11.0.0-beta.26328.106</MicrosoftDotNetHelixSdkPackageVersion>
+    <MicrosoftDotNetXliffTasksPackageVersion>11.0.0-beta.26328.106</MicrosoftDotNetXliffTasksPackageVersion>
     <!-- dotnet-emscripten dependencies -->
     <MicrosoftNETCoreRuntimeWasmEmscriptenTransportPackageVersion>11.0.0-alpha.1.26314.1</MicrosoftNETCoreRuntimeWasmEmscriptenTransportPackageVersion>
     <!-- dotnet-llvm-project dependencies -->
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index f70c95ff7d..9ba9fedf09 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Dependencies>
-  <Source Uri="https://github.com/dotnet/dotnet" Mapping="emsdk" Sha="50e862b8da0c82ddbf3952cfe61a8681ab93f5bc" BarId="318388" />
+  <Source Uri="https://github.com/dotnet/dotnet" Mapping="emsdk" Sha="4e63ed688b0db806aa962c318a237b22aa069435" BarId="320581" />
   <ProductDependencies>
     <Dependency Name="runtime.linux-arm64.Microsoft.NETCore.Runtime.Wasm.Binaryen.Transport" Version="11.0.0-alpha.1.26309.1">
       <Uri>https://github.com/dotnet/binaryen</Uri>
@@ -236,25 +236,25 @@
       <Uri>https://github.com/dotnet/llvm-project</Uri>
       <Sha>921a6f0c606b4504c5d221aede62d4e35339ec1c</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="11.0.0-beta.26311.113">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="11.0.0-beta.26328.106">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>50e862b8da0c82ddbf3952cfe61a8681ab93f5bc</Sha>
+      <Sha>4e63ed688b0db806aa962c318a237b22aa069435</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="11.0.0-beta.26311.113">
+    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="11.0.0-beta.26328.106">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>50e862b8da0c82ddbf3952cfe61a8681ab93f5bc</Sha>
+      <Sha>4e63ed688b0db806aa962c318a237b22aa069435</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Build.Tasks.Packaging" Version="11.0.0-beta.26311.113">
+    <Dependency Name="Microsoft.DotNet.Build.Tasks.Packaging" Version="11.0.0-beta.26328.106">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>50e862b8da0c82ddbf3952cfe61a8681ab93f5bc</Sha>
+      <Sha>4e63ed688b0db806aa962c318a237b22aa069435</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Build.Tasks.Templating" Version="11.0.0-beta.26311.113">
+    <Dependency Name="Microsoft.DotNet.Build.Tasks.Templating" Version="11.0.0-beta.26328.106">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>50e862b8da0c82ddbf3952cfe61a8681ab93f5bc</Sha>
+      <Sha>4e63ed688b0db806aa962c318a237b22aa069435</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.XliffTasks" Version="11.0.0-beta.26311.113">
+    <Dependency Name="Microsoft.DotNet.XliffTasks" Version="11.0.0-beta.26328.106">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>50e862b8da0c82ddbf3952cfe61a8681ab93f5bc</Sha>
+      <Sha>4e63ed688b0db806aa962c318a237b22aa069435</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/common/build.ps1 b/eng/common/build.ps1
index 4b4f6b0923..2cbb725323 100644
--- a/eng/common/build.ps1
+++ b/eng/common/build.ps1
@@ -173,7 +173,11 @@ try {
     if (-not $excludeCIBinarylog) {
       $binaryLog = $true
     }
-    $nodeReuse = $false
+    # Disable node reuse on CI unless explicitly opted in via MSBUILD_NODEREUSE_ENABLED.
+    # Internal testing only; this env var will be replaced with a switch (https://github.com/dotnet/arcade/issues/17013) and must not be depended on.
+    if ($env:MSBUILD_NODEREUSE_ENABLED -ne "1") {
+      $nodeReuse = $false
+    }
   }
 
   if (-not [string]::IsNullOrEmpty($binaryLogName)) {
diff --git a/eng/common/build.sh b/eng/common/build.sh
index 719ee4b587..3a9fdcfd0f 100755
--- a/eng/common/build.sh
+++ b/eng/common/build.sh
@@ -213,7 +213,11 @@ if [[ -z "$configuration" ]]; then
 fi
 
 if [[ "$ci" == true ]]; then
-  node_reuse=false
+  # Disable node reuse on CI unless explicitly opted in via MSBUILD_NODEREUSE_ENABLED.
+  # Internal testing only; this env var will be replaced with a switch (https://github.com/dotnet/arcade/issues/17013) and must not be depended on.
+  if [[ "${MSBUILD_NODEREUSE_ENABLED:-}" != "1" ]]; then
+    node_reuse=false
+  fi
   if [[ "$exclude_ci_binary_log" == false ]]; then
     binary_log=true
   fi
diff --git a/eng/common/dotnet.ps1 b/eng/common/dotnet.ps1
index 45e5676c9e..ce4ea40730 100644
--- a/eng/common/dotnet.ps1
+++ b/eng/common/dotnet.ps1
@@ -8,4 +8,5 @@ $dotnetRoot = InitializeDotNetCli -install:$true
 if ($args.count -gt 0) {
   $env:DOTNET_NOLOGO=1
   & "$dotnetRoot\dotnet.exe" $args
+  ExitWithExitCode $LASTEXITCODE
 }
diff --git a/eng/common/msbuild.ps1 b/eng/common/msbuild.ps1
index f041e5ddd9..495d533a90 100644
--- a/eng/common/msbuild.ps1
+++ b/eng/common/msbuild.ps1
@@ -14,7 +14,11 @@ Param(
 
 try {
   if ($ci) {
-    $nodeReuse = $false
+    # Disable node reuse on CI unless explicitly opted in via MSBUILD_NODEREUSE_ENABLED.
+    # Internal testing only; this env var will be replaced with a switch (https://github.com/dotnet/arcade/issues/17013) and must not be depended on.
+    if ($env:MSBUILD_NODEREUSE_ENABLED -ne "1") {
+      $nodeReuse = $false
+    }
   }
 
   MSBuild @extraArgs
diff --git a/eng/common/msbuild.sh b/eng/common/msbuild.sh
index 20d3dad543..333be3232f 100755
--- a/eng/common/msbuild.sh
+++ b/eng/common/msbuild.sh
@@ -51,7 +51,11 @@ done
 . "$scriptroot/tools.sh"
 
 if [[ "$ci" == true ]]; then
-  node_reuse=false
+  # Disable node reuse on CI unless explicitly opted in via MSBUILD_NODEREUSE_ENABLED.
+  # Internal testing only; this env var will be replaced with a switch (https://github.com/dotnet/arcade/issues/17013) and must not be depended on.
+  if [[ "${MSBUILD_NODEREUSE_ENABLED:-}" != "1" ]]; then
+    node_reuse=false
+  fi
 fi
 
 MSBuild $extra_args
diff --git a/eng/common/native/NativeAotSupported.props b/eng/common/native/NativeAotSupported.props
new file mode 100644
index 0000000000..559a666392
--- /dev/null
+++ b/eng/common/native/NativeAotSupported.props
@@ -0,0 +1,26 @@
+<Project>
+  <PropertyGroup>
+
+    <!-- Reject unsupported OS via RID prefix match -->
+    <_NativeAotSupportedOS Condition="
+      '$(TargetOS)' != 'browser' and
+      '$(TargetOS)' != 'haiku' and
+      '$(TargetOS)' != 'illumos' and
+      '$(TargetOS)' != 'netbsd' and
+      '$(TargetOS)' != 'solaris'
+    ">true</_NativeAotSupportedOS>
+
+    <!-- Reject unsupported architectures via RID suffix match -->
+    <_NativeAotSupportedArch Condition="
+      '$(TargetArchitecture)' != 'wasm' and
+      ('$(TargetArchitecture)' != 'x86' or '$(TargetOS)' == 'windows')
+    ">true</_NativeAotSupportedArch>
+
+    <NativeAotSupported Condition="
+      '$(NativeAotSupported)' == '' and
+      '$(_NativeAotSupportedOS)' == 'true' and
+      '$(_NativeAotSupportedArch)' == 'true'
+    ">true</NativeAotSupported>
+
+  </PropertyGroup>
+</Project>
diff --git a/eng/common/tools.ps1 b/eng/common/tools.ps1
index fc72fe6304..de32a6da37 100644
--- a/eng/common/tools.ps1
+++ b/eng/common/tools.ps1
@@ -742,7 +742,9 @@ function MSBuild() {
       ExitWithExitCode 1
     }
 
-    if ($nodeReuse) {
+    # Node reuse must be disabled in CI builds unless explicitly opted in via MSBUILD_NODEREUSE_ENABLED.
+    # Internal testing only; this env var will be replaced with a switch (https://github.com/dotnet/arcade/issues/17013) and must not be depended on.
+    if ($nodeReuse -and $env:MSBUILD_NODEREUSE_ENABLED -ne "1") {
       Write-PipelineTelemetryError -Category 'Build' -Message 'Node reuse must be disabled in CI build.'
       ExitWithExitCode 1
     }
diff --git a/eng/common/tools.sh b/eng/common/tools.sh
index 48cab70ebf..05f9edd0aa 100755
--- a/eng/common/tools.sh
+++ b/eng/common/tools.sh
@@ -497,7 +497,9 @@ function MSBuild {
       ExitWithExitCode 1
     fi
 
-    if [[ "$node_reuse" == true ]]; then
+    # Node reuse must be disabled in CI builds unless explicitly opted in via MSBUILD_NODEREUSE_ENABLED.
+    # Internal testing only; this env var will be replaced with a switch (https://github.com/dotnet/arcade/issues/17013) and must not be depended on.
+    if [[ "$node_reuse" == true && "${MSBUILD_NODEREUSE_ENABLED:-}" != "1" ]]; then
       Write-PipelineTelemetryError -category 'Build'  "Node reuse must be disabled in CI build."
       ExitWithExitCode 1
     fi
diff --git a/global.json b/global.json
index 8df0045adb..d49ba07338 100644
--- a/global.json
+++ b/global.json
@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "11.0.100-preview.5.26227.104",
+    "version": "11.0.100-preview.5.26302.115",
     "allowPrerelease": true,
     "rollForward": "major",
     "paths": [
@@ -10,11 +10,11 @@
     "errorMessage": "The required .NET SDK wasn't found. Please run ./eng/common/dotnet.cmd/sh to install it."
   },
   "tools": {
-    "dotnet": "11.0.100-preview.5.26227.104"
+    "dotnet": "11.0.100-preview.5.26302.115"
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "11.0.0-beta.26311.113",
-    "Microsoft.DotNet.Helix.Sdk": "11.0.0-beta.26311.113",
+    "Microsoft.DotNet.Arcade.Sdk": "11.0.0-beta.26328.106",
+    "Microsoft.DotNet.Helix.Sdk": "11.0.0-beta.26328.106",
     "Microsoft.Build.Traversal": "3.4.0"
   }
 }