VerifyTests · SimonCropp · May 18, 2026 · May 17, 2026 · May 17, 2026 · May 17, 2026
diff --git a/src/Argon.DataSets/Argon.DataSets.csproj b/src/Argon.DataSets/Argon.DataSets.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;net48;net6.0;net7.0;net8.0;net9.0;net10.0</TargetFrameworks>
+    <TargetFrameworks>net472;net48;net6.0;net7.0;net8.0;net9.0;net10.0;net11.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="ProjectDefaults" PrivateAssets="all" />

diff --git a/src/Argon.FSharp.Tests/Argon.FSharp.Tests.fsproj b/src/Argon.FSharp.Tests/Argon.FSharp.Tests.fsproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net9.0</TargetFramework>
+    <TargetFramework>net11.0</TargetFramework>
     <LangVersion>latest</LangVersion>
     <IsPackable>false</IsPackable>
     <GenerateProgramFile>false</GenerateProgramFile>

diff --git a/src/Argon.FSharp/Argon.FSharp.csproj b/src/Argon.FSharp/Argon.FSharp.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <Description>Provides serialization support between FSharp and Argon.</Description>
-    <TargetFrameworks>net48;net6.0;net7.0;net8.0;net9.0;net10.0</TargetFrameworks>
+    <TargetFrameworks>net48;net6.0;net7.0;net8.0;net9.0;net10.0;net11.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <Using Include="Microsoft.FSharp.Core" />

diff --git a/src/Argon.InterfaceCallbacks/Argon.InterfaceCallbacks.csproj b/src/Argon.InterfaceCallbacks/Argon.InterfaceCallbacks.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;net48;net6.0;net7.0;net8.0;net9.0;net10.0</TargetFrameworks>
+    <TargetFrameworks>net472;net48;net6.0;net7.0;net8.0;net9.0;net10.0;net11.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="ProjectDefaults" PrivateAssets="all" />

diff --git a/src/Argon.JsonPath/Argon.JsonPath.csproj b/src/Argon.JsonPath/Argon.JsonPath.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;net48;net6.0;net7.0;net8.0;net9.0;net10.0</TargetFrameworks>
+    <TargetFrameworks>net472;net48;net6.0;net7.0;net8.0;net9.0;net10.0;net11.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="ProjectDefaults" PrivateAssets="all" />

diff --git a/src/Argon.NodaTime/Argon.NodaTime.csproj b/src/Argon.NodaTime/Argon.NodaTime.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <Description>Provides serialization support between Noda Time and Json.NET.</Description>
-    <TargetFrameworks>net48;net6.0;net7.0;net8.0;net9.0;net10.0</TargetFrameworks>
+    <TargetFrameworks>net48;net6.0;net7.0;net8.0;net9.0;net10.0;net11.0</TargetFrameworks>
     <PackageTags>nodatime;json;Argon</PackageTags>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/Argon.Xml/Argon.Xml.csproj b/src/Argon.Xml/Argon.Xml.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;net48;net6.0;net7.0;net8.0;net9.0;net10.0</TargetFrameworks>
+    <TargetFrameworks>net472;net48;net6.0;net7.0;net8.0;net9.0;net10.0;net11.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="ProjectDefaults" PrivateAssets="all" />

diff --git a/src/Argon.Xml/XmlNodeConverter.cs b/src/Argon.Xml/XmlNodeConverter.cs
@@ -695,8 +695,7 @@ void ReadElement(JsonReader reader, IXmlDocument document, IXmlNode currentNode,
                     case JsonTypeReflector.ArrayValuesPropertyName:
                         propertyName = propertyName[1..];
                         elementPrefix = manager.LookupPrefix(jsonNamespaceUri);
-                        CreateElement(reader, document, currentNode, propertyName, manager, elementPrefix, attributeNameValues);
-                        return;
+                        break;
                     case JsonTypeReflector.IdPropertyName:
                     case JsonTypeReflector.RefPropertyName:
                     case JsonTypeReflector.TypePropertyName:

diff --git a/src/Argon/Argon.csproj b/src/Argon/Argon.csproj
@@ -1,14 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net462;net472;net48;net6.0;net7.0;net8.0;net9.0;net10.0</TargetFrameworks>
+    <TargetFrameworks>net462;net472;net48;net6.0;net7.0;net8.0;net9.0;net10.0;net11.0</TargetFrameworks>
     <IsAotCompatible Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net7.0'))">true</IsAotCompatible>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="ProjectDefaults" PrivateAssets="all" />
     <PackageReference Include="Polyfill" PrivateAssets="all" />
     <PackageReference Include="Microsoft.Sbom.Targets" PrivateAssets="all" Condition="'$(CI)' == 'true'" />
     <PackageReference Include="System.ValueTuple" Condition="'$(TargetFramework)' == 'net462'" />
-    <PackageReference Include="System.Collections.Immutable" Condition="'$(TargetFramework)' != 'net8.0' AND '$(TargetFramework)' != 'net9.0' AND '$(TargetFramework)' != 'net10.0' " />
+    <PackageReference Include="System.Collections.Immutable" Condition="'$(TargetFramework)' != 'net8.0' AND '$(TargetFramework)' != 'net9.0' AND '$(TargetFramework)' != 'net10.0' AND '$(TargetFramework)' != 'net11.0' " />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'net462' OR '$(TargetFramework)' == 'net472'">
     <PackageReference Include="System.Buffers" />

diff --git a/src/ArgonTests/AotCompatibilityTests.cs b/src/ArgonTests/AotCompatibilityTests.cs
@@ -52,10 +52,9 @@ public async Task Serialize_AnonymousObject_UnderAot()
         File.WriteAllText(Path.Combine(tempDir, "AotTestApp.csproj"), csprojContent);
         File.WriteAllText(Path.Combine(tempDir, "Program.cs"), programContent);
 
-        // Pin SDK version to avoid .NET 11 preview SDK issues
         File.WriteAllText(
             Path.Combine(tempDir, "global.json"),
-            """{"sdk":{"version":"10.0.103","allowPrerelease":false,"rollForward":"latestFeature"}}""");
+            """{"sdk":{"version":"11.0.100-preview.4.26230.115","allowPrerelease":true,"rollForward":"latestFeature"}}""");
 
         var (publishSuccess, publishOutput) = await PublishProject(tempDir);
         Assert.True(publishSuccess, $"Publish failed: {publishOutput}");

diff --git a/src/ArgonTests/ArgonTests.csproj b/src/ArgonTests/ArgonTests.csproj
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFrameworks Condition=" '$(OS)' == 'Windows_NT' ">net48</TargetFrameworks>
-    <TargetFrameworks>$(TargetFrameworks);net8.0;net9.0;net10.0</TargetFrameworks>
+    <TargetFrameworks>$(TargetFrameworks);net8.0;net9.0;net10.0;net11.0</TargetFrameworks>
     <Nullable>disable</Nullable>
     <RootNamespace>Tests</RootNamespace>
     <OutputType>Exe</OutputType>

diff --git a/src/ArgonTests/JsonTextWriterTest.WriteTokenDirect_BadValue.DotNet11_0.verified.txt b/src/ArgonTests/JsonTextWriterTest.WriteTokenDirect_BadValue.DotNet11_0.verified.txt
@@ -0,0 +1,4 @@
+{
+  Type: FormatException,
+  Message: The input string 'three' was not in a correct format.
+}
diff --git a/src/Benchmark.Tests/Benchmark.Tests.csproj b/src/Benchmark.Tests/Benchmark.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net9.0</TargetFramework>
+    <TargetFramework>net11.0</TargetFramework>
     <!-- Disabled because SourceLink isn't referenced to calculate paths -->
     <DeterministicSourcePaths>false</DeterministicSourcePaths>
   </PropertyGroup>

diff --git a/src/appveyor.yml b/src/appveyor.yml
@@ -10,12 +10,14 @@ build_script:
 - pwsh: |
     if ($isWindows) {
       Invoke-WebRequest "https://dot.net/v1/dotnet-install.ps1" -OutFile "./dotnet-install.ps1"
+      ./dotnet-install.ps1 -Version 10.0.300 -Architecture x64 -InstallDir 'C:\Program Files\dotnet'
       ./dotnet-install.ps1 -JSonFile src/global.json -Architecture x64 -InstallDir 'C:\Program Files\dotnet'
     }
     else {
       Invoke-WebRequest "https://dot.net/v1/dotnet-install.sh" -OutFile "./dotnet-install.sh"
       sudo chmod u+x dotnet-install.sh
       if ($isMacOS) {
+        sudo ./dotnet-install.sh --version 10.0.300 --architecture x64 --install-dir '/usr/local/share/dotnet'
         sudo ./dotnet-install.sh --jsonfile src/global.json --architecture x64 --install-dir '/usr/local/share/dotnet'
       } else {
         sudo ./dotnet-install.sh --jsonfile src/global.json --architecture x64 --install-dir '/usr/share/dotnet'

diff --git a/src/global.json b/src/global.json
@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "10.0.300",
+    "version": "11.0.100-preview.4.26230.115",
     "allowPrerelease": true,
     "rollForward": "latestFeature"
   }