One more

dirs.proj

@@ -23,10 +23,7 @@
     <ProjectReference Remove="samples/ControlCatalog.Desktop/*.*proj" />
   </ItemGroup>
   <!-- Build android and iOS projects only on Windows, where we have installed android workload -->
-  <ItemGroup Condition="!$([MSBuild]::IsOsPlatform('Windows'))">
-    <ProjectReference Remove="src/Android/**/*.*proj" />
-    <ProjectReference Remove="src/iOS/**/*.*proj" />
-  </ItemGroup>
+
 
   <ItemGroup>
     <PackageReference Include="Microsoft.VisualStudio.SlnGen" Version="8.5.17" PrivateAssets="all" />

nukebuild/Build.cs

@@ -225,7 +225,7 @@ partial class Build : NukeBuild
             void DoMemoryTest()
             {
                 var testAssembly = "tests\\Avalonia.LeakTests\\bin\\Release\\net461\\Avalonia.LeakTests.dll";
-                DotMemoryUnit(
+                 DotMemoryUnit(
                     $"{XunitPath.DoubleQuoteIfNeeded()} --propagate-exit-code -- {testAssembly}",
                     timeout: 120_000);
             }

nukebuild/Shims.cs

@@ -49,7 +49,11 @@ public partial class Build
                         {
                             if (fsEntry is FileInfo)
                             {
+#if NET6
                                 var relPath = Path.GetRelativePath(rootPath, fsEntry.FullName);
+#else
+                                var relPath = GetRelativePath(rootPath, fsEntry.FullName);
+#endif
                                 AddFile(fsEntry.FullName, relPath);
                             }
                         }
@@ -78,6 +82,17 @@ public partial class Build
         }
     }
 
+    private static string GetRelativePath(string relativeTo, string path)
+    {
+        var uri = new Uri(relativeTo);
+        var rel = Uri.UnescapeDataString(uri.MakeRelativeUri(new Uri(path)).ToString()).Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar);
+        if (rel.Contains(Path.DirectorySeparatorChar.ToString()) == false)
+        {
+            rel = $".{Path.DirectorySeparatorChar}{rel}";
+        }
+        return rel;
+    }
+
     class NumergeNukeLogger : INumergeLogger
     {
         public void Log(NumergeLogLevel level, string message)

nukebuild/_build.csproj

@@ -1,27 +1,27 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
     <RootNamespace></RootNamespace>
     <IsPackable>False</IsPackable>
     <NoWarn>CS0649;CS0169</NoWarn>
     <NukeTelemetryVersion>1</NukeTelemetryVersion>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
+ 
  <Import Project="..\build\JetBrains.dotMemoryUnit.props" />
   <ItemGroup>
     <PackageReference Include="Nuke.Common" Version="6.2.1" />
-    <PackageReference Include="xunit.runner.console" Version="2.4.2">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
     <PackageReference Include="vswhere" Version="2.6.7" Condition=" '$(OS)' == 'Windows_NT' " />
     <PackageReference Include="MicroCom.CodeGenerator" Version="0.10.4" />
     <!-- Keep in sync with Avalonia.Build.Tasks -->
     <PackageReference Include="Mono.Cecil" Version="0.11.4" />
    <PackageReference Include="SourceLink" Version="1.1.0" GeneratePathProperty="true" />
     <PackageReference Include="Microsoft.Build.Framework" Version="17.3.1" PrivateAssets="All" />
+    <PackageReference Include="xunit.runner.console" Version="2.4.2">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
   </ItemGroup>
 
   <ItemGroup>