diff --git a/doc/legacy/tools/ikvmc.md b/doc/legacy/tools/ikvmc.md
index 68056cd23e..15b1e29bbd 100644
--- a/doc/legacy/tools/ikvmc.md
+++ b/doc/legacy/tools/ikvmc.md
@@ -4,14 +4,14 @@
 
 The `ikvmc` tool converts Java bytecode to .NET DLL and EXE files.
 
-- [Usage](#usage)
-- [Options](#options)
-- [Notes](#notes)
-- [Examples](#examples)
-  - [Single jar file](#single-jar-file)
-  - [jar file and class files to a single exe](#jar-file-and-class-files-to-a-single-exe)
-  - [jar file to dll and class files to an exe](#jar-file-to-dll-and-class-files-to-an-exe)
-- [Warnings](#warnings)
+- [Usage]
+- [Options]
+- [Notes]
+- [Examples]
+  - [Single jar file]
+  - [jar file and class files to a single exe]
+  - [jar file to dll and class files to an exe]
+- [Warnings]
 
 ## Usage
 
@@ -146,7 +146,7 @@ When processing multiple input `.jar` files that contain duplicate classes / res
 
 - When converting a Java application with `ikvmc`, for best results, list the `.jar`s on the `ikvmc` command line in the same order that they appear in the Java application's classpath.
   See also the concepts of [ClassLoader](../class-loader.md).
-- [ikvmc messages](ikvmc-messages.md)
+- [ikvmc messages]
 
 
 ## Examples
diff --git a/src/IKVM.ByteCode/Parsing/TypeAnnotationTypeArgumentTargetRecord.cs b/src/IKVM.ByteCode/Parsing/TypeAnnotationTypeArgumentTargetRecord.cs
index 69eb461987..bc0f3453b0 100644
--- a/src/IKVM.ByteCode/Parsing/TypeAnnotationTypeArgumentTargetRecord.cs
+++ b/src/IKVM.ByteCode/Parsing/TypeAnnotationTypeArgumentTargetRecord.cs
@@ -1,7 +1,7 @@
 namespace IKVM.ByteCode.Parsing
 {
 
-    internal sealed record TypeAnnotationTypeArgumentTargetRecord(ushort Offset, ushort TypeArgumentIndex) : TypeAnnotationTargetRecord
+    internal sealed record TypeAnnotationTypeArgumentTargetRecord(ushort Offset, byte TypeArgumentIndex) : TypeAnnotationTargetRecord
     {
 
         public static bool TryRead(ref ClassFormatReader reader, out TypeAnnotationTargetRecord targetInfo)
@@ -10,7 +10,7 @@ public static bool TryRead(ref ClassFormatReader reader, out TypeAnnotationTarge
 
             if (reader.TryReadU2(out ushort offset) == false)
                 return false;
-            if (reader.TryReadU2(out ushort typeArgumentIndex) == false)
+            if (reader.TryReadU1(out byte typeArgumentIndex) == false)
                 return false;
 
             targetInfo = new TypeAnnotationTypeArgumentTargetRecord(offset, typeArgumentIndex);
@@ -25,7 +25,7 @@ public override int GetSize()
         {
             var length = 0;
             length += sizeof(ushort);
-            length += sizeof(ushort);
+            length += sizeof(byte);
             return length;
         }
 
@@ -38,7 +38,7 @@ public override bool TryWrite(ref ClassFormatWriter writer)
         {
             if (writer.TryWriteU2(Offset) == false)
                 return false;
-            if (writer.TryWriteU2(TypeArgumentIndex) == false)
+            if (writer.TryWriteU1(TypeArgumentIndex) == false)
                 return false;
 
             return true;
diff --git a/src/IKVM.MSBuild.Tasks/IkvmReferenceItemPrepare.cs b/src/IKVM.MSBuild.Tasks/IkvmReferenceItemPrepare.cs
index 448dd6a617..2fedec3e22 100644
--- a/src/IKVM.MSBuild.Tasks/IkvmReferenceItemPrepare.cs
+++ b/src/IKVM.MSBuild.Tasks/IkvmReferenceItemPrepare.cs
@@ -442,8 +442,8 @@ static Version ToAssemblyVersion(ModuleVersion version)
             // only include major and minor by default
             var major = GetAssemblyVersionComponent(version, 0);
             var minor = GetAssemblyVersionComponent(version, 1);
-            if (minor is not null && major is not null)
-                return new Version(major ?? 0, minor ?? 0, 0, 0);
+            if (major is not null)
+                return new Version((int)major, minor ?? 0, 0, 0);
 
             return null;
         }
@@ -456,7 +456,7 @@ static Version ToAssemblyVersion(ModuleVersion version)
         /// <returns></returns>
         static int? GetAssemblyVersionComponent(ModuleVersion version, int index)
         {
-            return version.Number.Count > index && version.Number[index] is int i ? i : null;
+            return version.Number.Count > index && version.Number[index] is int i ? Math.Min(i, ushort.MaxValue) : null;
         }
 
         /// <summary>
diff --git a/src/IKVM.Tools.Importer/StaticCompiler.cs b/src/IKVM.Tools.Importer/StaticCompiler.cs
index f999c12450..5ac4b49161 100644
--- a/src/IKVM.Tools.Importer/StaticCompiler.cs
+++ b/src/IKVM.Tools.Importer/StaticCompiler.cs
@@ -25,12 +25,9 @@ Jeroen Frijters
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.IO;
-using System.IO.Pipelines;
 using System.Reflection.Metadata;
 using System.Reflection.PortableExecutable;
-using System.Security.Cryptography.Xml;
 
 using IKVM.Reflection;
 using IKVM.Runtime;
@@ -223,7 +220,7 @@ internal void SuppressWarning(CompilerOptions options, Message message, string n
 
         internal void IssueMessage(Message msgId, params string[] values)
         {
-            IssueMessage(msgId, values);
+            IssueMessage(rootTarget, msgId, values);
         }
 
         internal void IssueMessage(CompilerOptions options, Message msgId, params string[] values)
diff --git a/src/ikvmc/ikvmc.csproj b/src/ikvmc/ikvmc.csproj
index 549ed8f260..97087a3833 100644
--- a/src/ikvmc/ikvmc.csproj
+++ b/src/ikvmc/ikvmc.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
         <OutputType>Exe</OutputType>
-        <TargetFrameworks>net472;net6.0</TargetFrameworks>
+        <TargetFrameworks>net6.0;net472</TargetFrameworks>
         <RuntimeIdentifiers>$(_SupportedToolRuntimes)</RuntimeIdentifiers>
     </PropertyGroup>