From af6ccd644de9d9f4818ba7be73ea9bcd8865e688 Mon Sep 17 00:00:00 2001
From: Eric StJohn <ericstj@microsoft.com>
Date: Thu, 23 Jan 2025 15:00:31 -0800
Subject: [PATCH 1/4] Update to 9.0.300 and RestoreEnablePackagePruning

---
 Directory.Build.props | 2 ++
 global.json           | 4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Directory.Build.props b/Directory.Build.props
index 530286a2719d7e..3965329d49ca3f 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -311,6 +311,8 @@
     <EnableNgenOptimization Condition="'$(EnableNgenOptimization)' == '' and ('$(Configuration)' == 'Release' or '$(Configuration)' == 'Checked')">true</EnableNgenOptimization>
     <!-- Enable NuGet static graph evaluation to optimize incremental restore -->
     <RestoreUseStaticGraphEvaluation>true</RestoreUseStaticGraphEvaluation>
+    <!-- Enable framework package pruning -->
+    <RestoreEnablePackagePruning>true</RestoreEnablePackagePruning>
     <!-- Turn off end of life target framework checks as we intentionally build older .NETCoreApp configurations. -->
     <CheckEolTargetFramework>false</CheckEolTargetFramework>
     <!-- Turn off workload support until we support them. -->
diff --git a/global.json b/global.json
index 94e4138f91926d..9b2d3470ad5a27 100644
--- a/global.json
+++ b/global.json
@@ -1,11 +1,11 @@
 {
   "sdk": {
-    "version": "9.0.100",
+    "version": "9.0.300-preview.0.25073.14",
     "allowPrerelease": true,
     "rollForward": "major"
   },
   "tools": {
-    "dotnet": "9.0.100"
+    "dotnet": "9.0.300-preview.0.25073.14"
   },
   "msbuild-sdks": {
     "Microsoft.DotNet.Arcade.Sdk": "9.0.0-beta.25058.5",

From 5acba12fd4b9200887174881d892917be751a382 Mon Sep 17 00:00:00 2001
From: Eric StJohn <ericstj@microsoft.com>
Date: Thu, 23 Jan 2025 16:03:11 -0800
Subject: [PATCH 2/4] Update roslyn to 4.14.0-1.25072.8

---
 eng/Versions.props | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/eng/Versions.props b/eng/Versions.props
index d6638df6bc6e53..1c1c658dfaf9ad 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -44,9 +44,9 @@
       Any tools that contribute to the design-time experience should use the MicrosoftCodeAnalysisVersion_LatestVS property above to ensure
       they do not break the local dev experience.
     -->
-    <MicrosoftCodeAnalysisCSharpVersion>4.12.0-3.24631.1</MicrosoftCodeAnalysisCSharpVersion>
-    <MicrosoftCodeAnalysisVersion>4.12.0-3.24631.1</MicrosoftCodeAnalysisVersion>
-    <MicrosoftNetCompilersToolsetVersion>4.12.0-3.24631.1</MicrosoftNetCompilersToolsetVersion>
+    <MicrosoftCodeAnalysisCSharpVersion>4.14.0-1.25072.8</MicrosoftCodeAnalysisCSharpVersion>
+    <MicrosoftCodeAnalysisVersion>4.14.0-1.25072.8</MicrosoftCodeAnalysisVersion>
+    <MicrosoftNetCompilersToolsetVersion>4.14.0-1.25072.8</MicrosoftNetCompilersToolsetVersion>
   </PropertyGroup>
   <!--
     For source generator support we need to target multiple versions of Roslyn in order to be able to run on older versions of Roslyn.

From 51591201bf0235c90abd4bbac2f484ab3a059150 Mon Sep 17 00:00:00 2001
From: Eric StJohn <ericstj@microsoft.com>
Date: Fri, 24 Jan 2025 09:12:57 -0800
Subject: [PATCH 3/4] Set LangVersion to latest to avoid compiler breaking
 changes

---
 Directory.Build.props | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Directory.Build.props b/Directory.Build.props
index 3965329d49ca3f..98ac26071d8e73 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -381,9 +381,9 @@
   <!-- Language configuration -->
   <PropertyGroup>
     <!-- default to allowing all language features -->
-    <LangVersion>preview</LangVersion>
+    <LangVersion>latest</LangVersion>
     <!-- default to max warnlevel -->
-    <AnalysisLevel Condition="'$(MSBuildProjectExtension)' == '.csproj'">preview</AnalysisLevel>
+    <AnalysisLevel Condition="'$(MSBuildProjectExtension)' == '.csproj'">latest</AnalysisLevel>
     <LangVersion Condition="'$(MSBuildProjectExtension)' == '.vbproj'">latest</LangVersion>
     <!-- Enables Strict mode for Roslyn compiler -->
     <Features>strict;nullablePublicOnly</Features>

From b5d686f8a51ee6004990a921ffc2f2548feb61c4 Mon Sep 17 00:00:00 2001
From: Eric StJohn <ericstj@microsoft.com>
Date: Fri, 24 Jan 2025 10:35:22 -0800
Subject: [PATCH 4/4] Don't downgrade CodeAnalysis.Analyzers

---
 eng/Analyzers.targets | 1 -
 1 file changed, 1 deletion(-)

diff --git a/eng/Analyzers.targets b/eng/Analyzers.targets
index 856ceb89ae9c31..4a76e9ba396e2b 100644
--- a/eng/Analyzers.targets
+++ b/eng/Analyzers.targets
@@ -22,7 +22,6 @@
     <PackageReference Include="Microsoft.DotNet.CodeAnalysis" Version="$(MicrosoftDotNetCodeAnalysisVersion)" PrivateAssets="all" IsImplicitlyDefined="true" />
     <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="$(MicrosoftCodeAnalysisNetAnalyzersVersion)" PrivateAssets="all" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.CodeStyle" Version="$(MicrosoftCodeAnalysisCSharpCodeStyleVersion)" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="$(MicrosoftCodeAnalysisAnalyzersVersion)" PrivateAssets="all" />
     <PackageReference Include="StyleCop.Analyzers" Version="$(StyleCopAnalyzersVersion)" PrivateAssets="all" />
   </ItemGroup>
   <ItemGroup Condition="'$(IsTestProject)' == 'true'">