diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 908cd80ab3..0aac118ac0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -55,6 +55,10 @@ jobs:
   build-prism-forms:
     uses: avantipoint/workflow-templates/.github/workflows/msbuild-build.yml@v1
     with:
+      # Prism.Forms builds the Xamarin.Android (MonoAndroid) target, whose language targets
+      # ship only with Visual Studio's Xamarin component. That component was dropped from
+      # windows-latest (VS 18) and windows-2025, so pin to windows-2022 which still includes it.
+      runs-on: windows-2022
       name: Build Prism.Forms
       solution-path: PrismLibrary_Forms.slnf
       code-sign: true
diff --git a/Directory.Build.props b/Directory.Build.props
index 1b57ba9bdc..e40dc21cea 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -25,6 +25,15 @@
     </PolySharpIncludeGeneratedTypes>
     <WarningsAsErrors>$(WarningsAsErrors);IDE0003</WarningsAsErrors>
     <ImplicitUsings>enable</ImplicitUsings>
+    <!--
+      Prism 9.0 is a maintenance branch that intentionally targets .NET 8 and its platform
+      workloads (net8.0-android, net8.0-ios, net8.0-maccatalyst, net8.0-macos). Current .NET
+      SDKs flag these as end-of-life - NETSDK1202 for the workloads and NETSDK1138 for the
+      target framework - which fails the build. Opt out of the EOL checks so the branch keeps
+      building on current SDKs; shipping these targets for the 9.0 lifecycle is intentional.
+    -->
+    <CheckEolWorkloads>false</CheckEolWorkloads>
+    <CheckEolTargetFramework>false</CheckEolTargetFramework>
   </PropertyGroup>
 
   <PropertyGroup>
@@ -129,6 +138,17 @@
     <None Include="build\Package.targets" Pack="true" PackagePath="buildTransitive\$(PackageId).targets" Condition="exists('build\Package.targets')"/>
   </ItemGroup>
 
+  <!--
+    The test projects target net6.0, which is end-of-life and no longer present on the CI
+    runner images (only newer runtimes are installed). Roll the test host forward to the
+    newest installed major runtime so the tests can execute; without this the testhost aborts
+    with "You must install or update .NET to run this application". This affects runtime
+    selection only - the test assemblies are still built against net6.0.
+  -->
+  <PropertyGroup Condition=" $(IsTestProject) ">
+    <RollForward>Major</RollForward>
+  </PropertyGroup>
+
   <ItemGroup Condition=" $(IsTestProject) ">
     <None Include="$(MSBuildThisFileDirectory)xunit.runner.json"
           CopyToOutputDirectory="PreserveNewest" />
diff --git a/global.json b/global.json
index b5b460407f..b2984d4b69 100644
--- a/global.json
+++ b/global.json
@@ -1,4 +1,8 @@
 {
+  "sdk": {
+    "version": "8.0.100",
+    "rollForward": "latestMinor"
+  },
   "msbuild-sdks": {
     "Microsoft.Build.NoTargets": "3.7.56",
     "MSBuild.Sdk.Extras": "3.0.44",
diff --git a/tests/Prism.Core.Tests/Commands/AsyncDelegateCommandFixture.cs b/tests/Prism.Core.Tests/Commands/AsyncDelegateCommandFixture.cs
index 3db702283b..c1a6a0897f 100644
--- a/tests/Prism.Core.Tests/Commands/AsyncDelegateCommandFixture.cs
+++ b/tests/Prism.Core.Tests/Commands/AsyncDelegateCommandFixture.cs
@@ -135,7 +135,12 @@ public async Task ICommandExecute_UsesDefaultTokenSourceFactory()
 
         Assert.True(command.IsExecuting);
         cts.Cancel();
-        await Task.Delay(10);
+
+        // Cancellation propagates asynchronously; a fixed delay races on slower CI agents.
+        // Poll until the command stops executing, bounded by a generous timeout.
+        var timeout = Task.Delay(2000);
+        while (command.IsExecuting && !timeout.IsCompleted)
+            await Task.Delay(10);
 
         Assert.False(command.IsExecuting);
     }