diff --git a/eng/Version.Details.props b/eng/Version.Details.props
index 7cab66d99b0..77d7b485e57 100644
--- a/eng/Version.Details.props
+++ b/eng/Version.Details.props
@@ -24,8 +24,8 @@ This file should be imported by eng/Versions.props
     <SystemThreadingChannelsPackageVersion>9.0.0</SystemThreadingChannelsPackageVersion>
     <SystemThreadingTasksDataflowPackageVersion>9.0.0</SystemThreadingTasksDataflowPackageVersion>
     <!-- dotnet/arcade dependencies -->
-    <MicrosoftDotNetArcadeSdkPackageVersion>10.0.0-beta.26062.3</MicrosoftDotNetArcadeSdkPackageVersion>
-    <MicrosoftDotNetXUnitExtensionsPackageVersion>10.0.0-beta.26062.3</MicrosoftDotNetXUnitExtensionsPackageVersion>
+    <MicrosoftDotNetArcadeSdkPackageVersion>10.0.0-beta.26066.3</MicrosoftDotNetArcadeSdkPackageVersion>
+    <MicrosoftDotNetXUnitExtensionsPackageVersion>10.0.0-beta.26066.3</MicrosoftDotNetXUnitExtensionsPackageVersion>
     <!-- nuget/nuget.client dependencies -->
     <NuGetBuildTasksPackageVersion>7.0.0-preview.2.254</NuGetBuildTasksPackageVersion>
     <!-- dotnet/roslyn dependencies -->
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index ad11a6b0077..1f1f937b1ab 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -106,9 +106,9 @@
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="10.0.0-beta.26062.3">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="10.0.0-beta.26066.3">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>9f518f2be968c4c0102c2e3f8c793c5b7f28b731</Sha>
+      <Sha>af17297350d5e5357d2ab3d69369d2a58b8bc4ab</Sha>
     </Dependency>
     <Dependency Name="NuGet.Build.Tasks" Version="7.0.0-preview.2.254">
       <Uri>https://github.com/nuget/nuget.client</Uri>
@@ -118,9 +118,9 @@
       <Uri>https://github.com/dotnet/roslyn</Uri>
       <Sha>5d47bb1c178652caa40b55664c06c74e35edebdf</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.XUnitExtensions" Version="10.0.0-beta.26062.3">
+    <Dependency Name="Microsoft.DotNet.XUnitExtensions" Version="10.0.0-beta.26066.3">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>9f518f2be968c4c0102c2e3f8c793c5b7f28b731</Sha>
+      <Sha>af17297350d5e5357d2ab3d69369d2a58b8bc4ab</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/Versions.props b/eng/Versions.props
index 949bf72242a..b18be20068f 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -3,7 +3,7 @@
 <Project>
   <Import Project="Version.Details.props" Condition="Exists('Version.Details.props')" />
   <PropertyGroup>
-    <VersionPrefix>18.0.11</VersionPrefix><DotNetFinalVersionKind>release</DotNetFinalVersionKind>
+    <VersionPrefix>18.0.12</VersionPrefix><DotNetFinalVersionKind>release</DotNetFinalVersionKind>
     <PackageValidationBaselineVersion>17.14.8</PackageValidationBaselineVersion>
     <AssemblyVersion>15.1.0.0</AssemblyVersion>
     <PreReleaseVersionLabel>servicing</PreReleaseVersionLabel>
diff --git a/eng/common/core-templates/job/source-build.yml b/eng/common/core-templates/job/source-build.yml
index d805d5faeb9..c08b3ad8ad0 100644
--- a/eng/common/core-templates/job/source-build.yml
+++ b/eng/common/core-templates/job/source-build.yml
@@ -63,7 +63,7 @@ jobs:
           demands: ImageOverride -equals build.ubuntu.2004.amd64
         ${{ if eq(variables['System.TeamProject'], 'internal') }}:
           name: $[replace(replace(eq(contains(coalesce(variables['System.PullRequest.TargetBranch'], variables['Build.SourceBranch'], 'refs/heads/main'), 'release'), 'true'), True, 'NetCore1ESPool-Svc-Internal'), False, 'NetCore1ESPool-Internal')]
-          image: 1es-mariner-2
+          image: Azure-Linux-3-Amd64
           os: linux
     ${{ else }}:
       pool:
diff --git a/global.json b/global.json
index b7b8997b7ea..d2b5c0b03ea 100644
--- a/global.json
+++ b/global.json
@@ -15,6 +15,6 @@
     "xcopy-msbuild": "18.0.0"
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "10.0.0-beta.26062.3"
+    "Microsoft.DotNet.Arcade.Sdk": "10.0.0-beta.26066.3"
   }
 }