diff --git a/eng/Versions.props b/eng/Versions.props
index 70a163c09ff5..3e8a2a071826 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -161,7 +161,7 @@
   <PropertyGroup Label="Manual">
     <!-- Bumping the Roslyn version used in order to ingest the new runtime source generators -->
     <UsingToolMicrosoftNetCompilers>true</UsingToolMicrosoftNetCompilers>
-    <MicrosoftNetCompilersToolsetVersion>4.5.0-1.22517.9</MicrosoftNetCompilersToolsetVersion>
+    <MicrosoftNetCompilersToolsetVersion>4.4.0-3.22452.8</MicrosoftNetCompilersToolsetVersion>
     <!-- DiagnosticAdapter package pinned temporarily until migrated/deprecated -->
     <MicrosoftExtensionsDiagnosticAdapterVersion>5.0.0-preview.4.20180.4</MicrosoftExtensionsDiagnosticAdapterVersion>
     <!-- Build tool dependencies -->
diff --git a/global.json b/global.json
index 1a03d40aaea1..0d2e0bbbb234 100644
--- a/global.json
+++ b/global.json
@@ -1,9 +1,9 @@
 {
   "sdk": {
-    "version": "8.0.100-alpha.1.22524.1"
+    "version": "8.0.100-alpha.1.22480.9"
   },
   "tools": {
-    "dotnet": "8.0.100-alpha.1.22524.1",
+    "dotnet": "8.0.100-alpha.1.22480.9",
     "runtimes": {
       "dotnet/x86": [
         "$(MicrosoftNETCoreBrowserDebugHostTransportVersion)"
diff --git a/src/Features/JsonPatch/src/Operations/Operation.cs b/src/Features/JsonPatch/src/Operations/Operation.cs
index 9ce29c3a5c16..67d93a09630c 100644
--- a/src/Features/JsonPatch/src/Operations/Operation.cs
+++ b/src/Features/JsonPatch/src/Operations/Operation.cs
@@ -9,7 +9,7 @@ namespace Microsoft.AspNetCore.JsonPatch.Operations;
 
 public class Operation : OperationBase
 {
-    [JsonProperty(nameof(value))]
+    [JsonProperty("value")]
     public object value { get; set; }
 
     public Operation()
diff --git a/src/Features/JsonPatch/src/Operations/OperationBase.cs b/src/Features/JsonPatch/src/Operations/OperationBase.cs
index 7ae24f6c7fc2..9bc59cb4d4c9 100644
--- a/src/Features/JsonPatch/src/Operations/OperationBase.cs
+++ b/src/Features/JsonPatch/src/Operations/OperationBase.cs
@@ -20,10 +20,10 @@ public OperationType OperationType
         }
     }
 
-    [JsonProperty(nameof(path))]
+    [JsonProperty("path")]
     public string path { get; set; }
 
-    [JsonProperty(nameof(op))]
+    [JsonProperty("op")]
     public string op
     {
         get
@@ -42,7 +42,7 @@ public string op
         }
     }
 
-    [JsonProperty(nameof(from))]
+    [JsonProperty("from")]
     public string from { get; set; }
 
     public OperationBase()
diff --git a/src/Servers/Kestrel/Core/src/KestrelServerOptions.cs b/src/Servers/Kestrel/Core/src/KestrelServerOptions.cs
index fc6322dd417f..f31880e8911a 100644
--- a/src/Servers/Kestrel/Core/src/KestrelServerOptions.cs
+++ b/src/Servers/Kestrel/Core/src/KestrelServerOptions.cs
@@ -252,6 +252,9 @@ internal void Serialize(Utf8JsonWriter writer)
         writer.WritePropertyName(nameof(AllowResponseHeaderCompression));
         writer.WriteBooleanValue(AllowResponseHeaderCompression);
 
+        writer.WritePropertyName(nameof(EnableAltSvc));
+        writer.WriteBooleanValue(EnableAltSvc);
+
         writer.WritePropertyName(nameof(IsDevCertLoaded));
         writer.WriteBooleanValue(IsDevCertLoaded);