diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index b1788e2f574..45e4a2f9132 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -9,37 +9,37 @@
 -->
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="dotnet-ef" Version="8.0.0-rc.2.23462.14">
+    <Dependency Name="dotnet-ef" Version="8.0.0-rtm.23478.4">
       <Uri>https://github.com/dotnet/efcore</Uri>
-      <Sha>bbf353b1310aed12cf780bc95ab560f0e6b82627</Sha>
+      <Sha>ea24bdd61de394dd82972be560db79b3fda050ee</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.EntityFrameworkCore.InMemory" Version="8.0.0-rc.2.23462.14">
+    <Dependency Name="Microsoft.EntityFrameworkCore.InMemory" Version="8.0.0-rtm.23478.4">
       <Uri>https://github.com/dotnet/efcore</Uri>
-      <Sha>bbf353b1310aed12cf780bc95ab560f0e6b82627</Sha>
+      <Sha>ea24bdd61de394dd82972be560db79b3fda050ee</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.EntityFrameworkCore.Relational" Version="8.0.0-rc.2.23462.14">
+    <Dependency Name="Microsoft.EntityFrameworkCore.Relational" Version="8.0.0-rtm.23478.4">
       <Uri>https://github.com/dotnet/efcore</Uri>
-      <Sha>bbf353b1310aed12cf780bc95ab560f0e6b82627</Sha>
+      <Sha>ea24bdd61de394dd82972be560db79b3fda050ee</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.EntityFrameworkCore.Sqlite" Version="8.0.0-rc.2.23462.14">
+    <Dependency Name="Microsoft.EntityFrameworkCore.Sqlite" Version="8.0.0-rtm.23478.4">
       <Uri>https://github.com/dotnet/efcore</Uri>
-      <Sha>bbf353b1310aed12cf780bc95ab560f0e6b82627</Sha>
+      <Sha>ea24bdd61de394dd82972be560db79b3fda050ee</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.0-rc.2.23462.14">
+    <Dependency Name="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.0-rtm.23478.4">
       <Uri>https://github.com/dotnet/efcore</Uri>
-      <Sha>bbf353b1310aed12cf780bc95ab560f0e6b82627</Sha>
+      <Sha>ea24bdd61de394dd82972be560db79b3fda050ee</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.EntityFrameworkCore.Tools" Version="8.0.0-rc.2.23462.14">
+    <Dependency Name="Microsoft.EntityFrameworkCore.Tools" Version="8.0.0-rtm.23478.4">
       <Uri>https://github.com/dotnet/efcore</Uri>
-      <Sha>bbf353b1310aed12cf780bc95ab560f0e6b82627</Sha>
+      <Sha>ea24bdd61de394dd82972be560db79b3fda050ee</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.EntityFrameworkCore" Version="8.0.0-rc.2.23462.14">
+    <Dependency Name="Microsoft.EntityFrameworkCore" Version="8.0.0-rtm.23478.4">
       <Uri>https://github.com/dotnet/efcore</Uri>
-      <Sha>bbf353b1310aed12cf780bc95ab560f0e6b82627</Sha>
+      <Sha>ea24bdd61de394dd82972be560db79b3fda050ee</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.EntityFrameworkCore.Design" Version="8.0.0-rc.2.23462.14">
+    <Dependency Name="Microsoft.EntityFrameworkCore.Design" Version="8.0.0-rtm.23478.4">
       <Uri>https://github.com/dotnet/efcore</Uri>
-      <Sha>bbf353b1310aed12cf780bc95ab560f0e6b82627</Sha>
+      <Sha>ea24bdd61de394dd82972be560db79b3fda050ee</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Extensions.Caching.Abstractions" Version="8.0.0-rtm.23477.9">
       <Uri>https://github.com/dotnet/runtime</Uri>
@@ -397,13 +397,13 @@
       <Uri>https://github.com/dotnet/arcade</Uri>
       <Sha>1d451c32dda2314c721adbf8829e1c0cd4e681ff</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Extensions.Telemetry.Testing" Version="8.0.0-rc.2.23461.3">
+    <Dependency Name="Microsoft.Extensions.Telemetry.Testing" Version="8.0.0-rtm.23473.1">
       <Uri>https://github.com/dotnet/extensions</Uri>
-      <Sha>7c6fa3e84ea0b3d08998726c7cac30e3117ed318</Sha>
+      <Sha>d669bb8deda7a1368a8fcfbcaade1a2ac4567340</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Extensions.TimeProvider.Testing" Version="8.0.0-rc.2.23461.3">
+    <Dependency Name="Microsoft.Extensions.TimeProvider.Testing" Version="8.0.0-rtm.23477.5">
       <Uri>https://github.com/dotnet/extensions</Uri>
-      <Sha>7c6fa3e84ea0b3d08998726c7cac30e3117ed318</Sha>
+      <Sha>180ac3631b7f6f7c41b7cf7237b3fbe6ce1e870f</Sha>
     </Dependency>
     <Dependency Name="NuGet.Frameworks" Version="6.2.4">
       <Uri>https://github.com/nuget/nuget.client</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 489879e3e50..39186a4987f 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -139,17 +139,17 @@
     <SystemIOHashingVersion>8.0.0-rtm.23477.9</SystemIOHashingVersion>
     <SystemRuntimeCachingVersion>8.0.0-rtm.23477.9</SystemRuntimeCachingVersion>
     <!-- Packages from dotnet/extensions -->
-    <MicrosoftExtensionsTelemetryTestingVersion>8.0.0-rc.2.23461.3</MicrosoftExtensionsTelemetryTestingVersion>
-    <MicrosoftExtensionsTimeProviderTestingVersion>8.0.0-rc.2.23461.3</MicrosoftExtensionsTimeProviderTestingVersion>
+    <MicrosoftExtensionsTelemetryTestingVersion>8.0.0-rtm.23473.1</MicrosoftExtensionsTelemetryTestingVersion>
+    <MicrosoftExtensionsTimeProviderTestingVersion>8.0.0-rtm.23477.5</MicrosoftExtensionsTimeProviderTestingVersion>
     <!-- Packages from dotnet/efcore -->
-    <dotnetefVersion>8.0.0-rc.2.23462.14</dotnetefVersion>
-    <MicrosoftEntityFrameworkCoreInMemoryVersion>8.0.0-rc.2.23462.14</MicrosoftEntityFrameworkCoreInMemoryVersion>
-    <MicrosoftEntityFrameworkCoreRelationalVersion>8.0.0-rc.2.23462.14</MicrosoftEntityFrameworkCoreRelationalVersion>
-    <MicrosoftEntityFrameworkCoreSqliteVersion>8.0.0-rc.2.23462.14</MicrosoftEntityFrameworkCoreSqliteVersion>
-    <MicrosoftEntityFrameworkCoreSqlServerVersion>8.0.0-rc.2.23462.14</MicrosoftEntityFrameworkCoreSqlServerVersion>
-    <MicrosoftEntityFrameworkCoreToolsVersion>8.0.0-rc.2.23462.14</MicrosoftEntityFrameworkCoreToolsVersion>
-    <MicrosoftEntityFrameworkCoreVersion>8.0.0-rc.2.23462.14</MicrosoftEntityFrameworkCoreVersion>
-    <MicrosoftEntityFrameworkCoreDesignVersion>8.0.0-rc.2.23462.14</MicrosoftEntityFrameworkCoreDesignVersion>
+    <dotnetefVersion>8.0.0-rtm.23478.4</dotnetefVersion>
+    <MicrosoftEntityFrameworkCoreInMemoryVersion>8.0.0-rtm.23478.4</MicrosoftEntityFrameworkCoreInMemoryVersion>
+    <MicrosoftEntityFrameworkCoreRelationalVersion>8.0.0-rtm.23478.4</MicrosoftEntityFrameworkCoreRelationalVersion>
+    <MicrosoftEntityFrameworkCoreSqliteVersion>8.0.0-rtm.23478.4</MicrosoftEntityFrameworkCoreSqliteVersion>
+    <MicrosoftEntityFrameworkCoreSqlServerVersion>8.0.0-rtm.23478.4</MicrosoftEntityFrameworkCoreSqlServerVersion>
+    <MicrosoftEntityFrameworkCoreToolsVersion>8.0.0-rtm.23478.4</MicrosoftEntityFrameworkCoreToolsVersion>
+    <MicrosoftEntityFrameworkCoreVersion>8.0.0-rtm.23478.4</MicrosoftEntityFrameworkCoreVersion>
+    <MicrosoftEntityFrameworkCoreDesignVersion>8.0.0-rtm.23478.4</MicrosoftEntityFrameworkCoreDesignVersion>
     <!-- Packages from dotnet/roslyn -->
     <MicrosoftCodeAnalysisCommonVersion>4.7.0-3.23314.3</MicrosoftCodeAnalysisCommonVersion>
     <MicrosoftCodeAnalysisExternalAccessAspNetCoreVersion>4.7.0-3.23314.3</MicrosoftCodeAnalysisExternalAccessAspNetCoreVersion>
diff --git a/src/Hosting/Hosting/test/HostingApplicationDiagnosticsTests.cs b/src/Hosting/Hosting/test/HostingApplicationDiagnosticsTests.cs
index b547292c02c..1f3b4380e91 100644
--- a/src/Hosting/Hosting/test/HostingApplicationDiagnosticsTests.cs
+++ b/src/Hosting/Hosting/test/HostingApplicationDiagnosticsTests.cs
@@ -10,9 +10,9 @@ using Microsoft.AspNetCore.Http.Features;
 using Microsoft.AspNetCore.Internal;
 using Microsoft.AspNetCore.Testing;
 using Microsoft.Extensions.Diagnostics.Metrics;
+using Microsoft.Extensions.Diagnostics.Metrics.Testing;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Logging.Testing;
-using Microsoft.Extensions.Telemetry.Testing.Metrics;
 using Moq;
 
 namespace Microsoft.AspNetCore.Hosting.Tests;
diff --git a/src/Hosting/Hosting/test/HostingMetricsTests.cs b/src/Hosting/Hosting/test/HostingMetricsTests.cs
index ad479b6aa66..411e396b688 100644
--- a/src/Hosting/Hosting/test/HostingMetricsTests.cs
+++ b/src/Hosting/Hosting/test/HostingMetricsTests.cs
@@ -9,8 +9,8 @@ using Microsoft.AspNetCore.Http.Features;
 using Microsoft.AspNetCore.Internal;
 using Microsoft.AspNetCore.Testing;
 using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Diagnostics.Metrics.Testing;
 using Microsoft.Extensions.Logging.Abstractions;
-using Microsoft.Extensions.Telemetry.Testing.Metrics;
 
 namespace Microsoft.AspNetCore.Hosting.Tests;
 
diff --git a/src/Http/Routing/test/UnitTests/RoutingMetricsTests.cs b/src/Http/Routing/test/UnitTests/RoutingMetricsTests.cs
index 77aff5341c7..8d87766d885 100644
--- a/src/Http/Routing/test/UnitTests/RoutingMetricsTests.cs
+++ b/src/Http/Routing/test/UnitTests/RoutingMetricsTests.cs
@@ -10,10 +10,10 @@ using Microsoft.AspNetCore.Routing.Matching;
 using Microsoft.AspNetCore.Routing.Patterns;
 using Microsoft.AspNetCore.Routing.TestObjects;
 using Microsoft.AspNetCore.Testing;
+using Microsoft.Extensions.Diagnostics.Metrics.Testing;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Logging.Abstractions;
 using Microsoft.Extensions.Options;
-using Microsoft.Extensions.Telemetry.Testing.Metrics;
 using Moq;
 
 namespace Microsoft.AspNetCore.Routing;
diff --git a/src/Middleware/Diagnostics/test/UnitTests/DeveloperExceptionPageMiddlewareTest.cs b/src/Middleware/Diagnostics/test/UnitTests/DeveloperExceptionPageMiddlewareTest.cs
index 06e202c67af..87dbf26805f 100644
--- a/src/Middleware/Diagnostics/test/UnitTests/DeveloperExceptionPageMiddlewareTest.cs
+++ b/src/Middleware/Diagnostics/test/UnitTests/DeveloperExceptionPageMiddlewareTest.cs
@@ -15,9 +15,8 @@ using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.TestHost;
 using Microsoft.AspNetCore.Testing;
 using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.Diagnostics.Metrics;
+using Microsoft.Extensions.Diagnostics.Metrics.Testing;
 using Microsoft.Extensions.Hosting;
-using Microsoft.Extensions.Telemetry.Testing.Metrics;
 
 namespace Microsoft.AspNetCore.Diagnostics;
 
diff --git a/src/Middleware/Diagnostics/test/UnitTests/ExceptionHandlerMiddlewareTest.cs b/src/Middleware/Diagnostics/test/UnitTests/ExceptionHandlerMiddlewareTest.cs
index 88c55e7a517..a2f4b160002 100644
--- a/src/Middleware/Diagnostics/test/UnitTests/ExceptionHandlerMiddlewareTest.cs
+++ b/src/Middleware/Diagnostics/test/UnitTests/ExceptionHandlerMiddlewareTest.cs
@@ -19,7 +19,7 @@ using Microsoft.Extensions.Diagnostics.Metrics;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging.Abstractions;
 using Microsoft.Extensions.Options;
-using Microsoft.Extensions.Telemetry.Testing.Metrics;
+using Microsoft.Extensions.Diagnostics.Metrics.Testing;
 using Moq;
 
 namespace Microsoft.AspNetCore.Diagnostics;
diff --git a/src/Middleware/Diagnostics/test/UnitTests/ExceptionHandlerTest.cs b/src/Middleware/Diagnostics/test/UnitTests/ExceptionHandlerTest.cs
index 25358538354..cf55e0f30df 100644
--- a/src/Middleware/Diagnostics/test/UnitTests/ExceptionHandlerTest.cs
+++ b/src/Middleware/Diagnostics/test/UnitTests/ExceptionHandlerTest.cs
@@ -14,7 +14,7 @@ using Microsoft.Extensions.Diagnostics.Metrics;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Logging.Testing;
-using Microsoft.Extensions.Telemetry.Testing.Metrics;
+using Microsoft.Extensions.Diagnostics.Metrics.Testing;
 
 namespace Microsoft.AspNetCore.Diagnostics;
 
diff --git a/src/Middleware/RateLimiting/test/RateLimitingMetricsTests.cs b/src/Middleware/RateLimiting/test/RateLimitingMetricsTests.cs
index 480f57f085b..584665b6af3 100644
--- a/src/Middleware/RateLimiting/test/RateLimitingMetricsTests.cs
+++ b/src/Middleware/RateLimiting/test/RateLimitingMetricsTests.cs
@@ -11,10 +11,10 @@ using Microsoft.AspNetCore.Routing.Patterns;
 using Microsoft.AspNetCore.Testing;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Diagnostics.Metrics;
+using Microsoft.Extensions.Diagnostics.Metrics.Testing;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Logging.Abstractions;
 using Microsoft.Extensions.Options;
-using Microsoft.Extensions.Telemetry.Testing.Metrics;
 using Moq;
 
 namespace Microsoft.AspNetCore.RateLimiting;
diff --git a/src/Servers/Kestrel/test/InMemory.FunctionalTests/ConnectionLimitTests.cs b/src/Servers/Kestrel/test/InMemory.FunctionalTests/ConnectionLimitTests.cs
index 0f407106a6d..a37cb5c7133 100644
--- a/src/Servers/Kestrel/test/InMemory.FunctionalTests/ConnectionLimitTests.cs
+++ b/src/Servers/Kestrel/test/InMemory.FunctionalTests/ConnectionLimitTests.cs
@@ -16,7 +16,7 @@ using Microsoft.AspNetCore.Server.Kestrel.InMemory.FunctionalTests.TestTransport
 using Microsoft.AspNetCore.Server.Kestrel.Tests;
 using Microsoft.AspNetCore.Testing;
 using Microsoft.Extensions.Diagnostics.Metrics;
-using Microsoft.Extensions.Telemetry.Testing.Metrics;
+using Microsoft.Extensions.Diagnostics.Metrics.Testing;
 using Xunit;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.InMemory.FunctionalTests;
diff --git a/src/Servers/Kestrel/test/InMemory.FunctionalTests/KestrelMetricsTests.cs b/src/Servers/Kestrel/test/InMemory.FunctionalTests/KestrelMetricsTests.cs
index 617d6974611..fb57b97af78 100644
--- a/src/Servers/Kestrel/test/InMemory.FunctionalTests/KestrelMetricsTests.cs
+++ b/src/Servers/Kestrel/test/InMemory.FunctionalTests/KestrelMetricsTests.cs
@@ -16,7 +16,7 @@ using Microsoft.AspNetCore.Server.Kestrel.Core;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure;
 using Microsoft.AspNetCore.Server.Kestrel.InMemory.FunctionalTests.TestTransport;
 using Microsoft.AspNetCore.Testing;
-using Microsoft.Extensions.Telemetry.Testing.Metrics;
+using Microsoft.Extensions.Diagnostics.Metrics.Testing;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.InMemory.FunctionalTests;
 
diff --git a/src/Servers/Kestrel/test/Interop.FunctionalTests/Http2/Http2RequestTests.cs b/src/Servers/Kestrel/test/Interop.FunctionalTests/Http2/Http2RequestTests.cs
index b6cec58fd34..22929eb57af 100644
--- a/src/Servers/Kestrel/test/Interop.FunctionalTests/Http2/Http2RequestTests.cs
+++ b/src/Servers/Kestrel/test/Interop.FunctionalTests/Http2/Http2RequestTests.cs
@@ -14,9 +14,9 @@ using Microsoft.AspNetCore.Server.Kestrel.Core.Features;
 using Microsoft.AspNetCore.Testing;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Diagnostics.Metrics;
+using Microsoft.Extensions.Diagnostics.Metrics.Testing;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
-using Microsoft.Extensions.Telemetry.Testing.Metrics;
 
 namespace Interop.FunctionalTests.Http2;
 
diff --git a/src/Servers/Kestrel/test/Interop.FunctionalTests/Http3/Http3RequestTests.cs b/src/Servers/Kestrel/test/Interop.FunctionalTests/Http3/Http3RequestTests.cs
index f13a4a7e6fd..1c71550c2a6 100644
--- a/src/Servers/Kestrel/test/Interop.FunctionalTests/Http3/Http3RequestTests.cs
+++ b/src/Servers/Kestrel/test/Interop.FunctionalTests/Http3/Http3RequestTests.cs
@@ -3,10 +3,8 @@
 
 using System.Diagnostics;
 using System.Diagnostics.Metrics;
-using System.Globalization;
 using System.Net;
 using System.Net.Http;
-using System.Net.Quic;
 using System.Net.Security;
 using System.Text;
 using Microsoft.AspNetCore.Connections;
@@ -19,13 +17,11 @@ using Microsoft.AspNetCore.Server.Kestrel.Core;
 using Microsoft.AspNetCore.Server.Kestrel.Https;
 using Microsoft.AspNetCore.Testing;
 using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.Diagnostics.Metrics;
+using Microsoft.Extensions.Diagnostics.Metrics.Testing;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Logging.Testing;
 using Microsoft.Extensions.Primitives;
-using Microsoft.Extensions.Telemetry.Testing.Metrics;
-using Xunit;
 
 namespace Interop.FunctionalTests.Http3;
 
diff --git a/src/SignalR/common/Http.Connections/test/HttpConnectionDispatcherTests.cs b/src/SignalR/common/Http.Connections/test/HttpConnectionDispatcherTests.cs
index b6d16dfb935..e02d92df21d 100644
--- a/src/SignalR/common/Http.Connections/test/HttpConnectionDispatcherTests.cs
+++ b/src/SignalR/common/Http.Connections/test/HttpConnectionDispatcherTests.cs
@@ -36,12 +36,12 @@ using Microsoft.AspNetCore.Routing;
 using Microsoft.AspNetCore.SignalR.Tests;
 using Microsoft.AspNetCore.Testing;
 using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Diagnostics.Metrics.Testing;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Logging.Testing;
 using Microsoft.Extensions.Options;
 using Microsoft.Extensions.Primitives;
-using Microsoft.Extensions.Telemetry.Testing.Metrics;
 using Microsoft.IdentityModel.Tokens;
 using Moq;
 using Newtonsoft.Json;