diff --git a/.hgtags b/.hgtags
index 1891e30..fb16787 100644
--- a/.hgtags
+++ b/.hgtags
@@ -18,3 +18,4 @@ f150e831c44117ebfab063a8121a97f8efc667ee V-03-00-01
 9979bdac13a88cd8ed67ab56f793deac9a3b4768 V-05-00-00
 3b5b83a1e4e210ab9d22d8e6b2af5ff1fe8c3b6b V-05-00-01
 365bb963a44c414ee88d1b436f8098572441e91d V-05-00-02
+51cb3e91355d1f808315600566987a205dfc8c30 V-05-01-00
diff --git a/CodeArtEng.Tcp/CodeArtEng.Tcp.csproj b/CodeArtEng.Tcp/CodeArtEng.Tcp.csproj
index 1a09d84..5570ece 100644
--- a/CodeArtEng.Tcp/CodeArtEng.Tcp.csproj
+++ b/CodeArtEng.Tcp/CodeArtEng.Tcp.csproj
@@ -5,24 +5,45 @@
     <Authors>Code Artist</Authors>
     <Company>Code Art Engineering</Company>
     <Description>TCP Server and Client. TCP App Server and Client.
-Support .NET Framework 4.5, .NET 5.0 and .NET 6.0 (Preview)</Description>
+Support .NET Framework 4.8, .NET 6.0</Description>
     <Copyright>Copyright © Code Art Engineering 2021</Copyright>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <PackageIcon>CAELogoSmall.png</PackageIcon>
     <RepositoryUrl>https://github.com/Code-Artist/CodeArtEng.Tcp</RepositoryUrl>
     <RepositoryType>GitHub</RepositoryType>
-    <PackageReleaseNotes>Support .NET 5.0 and .NET 6.0 (Preview), separated WinForms components to CodeArtEng.Tcp.Winforms</PackageReleaseNotes>
-    <Version>5.0.2</Version>
+    <PackageReleaseNotes></PackageReleaseNotes>
+    <Version>5.1.0</Version>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <PackageProjectUrl>https://github.com/Code-Artist/CodeArtEng.Tcp</PackageProjectUrl>
-    <AssemblyVersion>5.0.2.0</AssemblyVersion>
-    <FileVersion>5.0.2.0</FileVersion>
+    <AssemblyVersion></AssemblyVersion>
+    <FileVersion></FileVersion>
+    <GenerateDocumentationFile>True</GenerateDocumentationFile>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net452|AnyCPU'">
     <DefineConstants>DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
 
+  <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net48|AnyCPU'">
+    <WarningsAsErrors>$(WarningsAsErrors);NU1605</WarningsAsErrors>
+    <NoWarn>1701;1702</NoWarn>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|net48|AnyCPU'">
+    <WarningsAsErrors>$(WarningsAsErrors);NU1605</WarningsAsErrors>
+    <NoWarn>1701;1702</NoWarn>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net6.0|AnyCPU'">
+    <WarningsAsErrors>$(WarningsAsErrors);NU1605</WarningsAsErrors>
+    <NoWarn>1701;1702</NoWarn>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|net6.0|AnyCPU'">
+    <WarningsAsErrors>$(WarningsAsErrors);NU1605</WarningsAsErrors>
+    <NoWarn>1701;1702</NoWarn>
+  </PropertyGroup>
+
   <ItemGroup>
     <Compile Remove="Properties\AssemblyInfo.cs" />
   </ItemGroup>
diff --git a/CodeArtEng.Tcp/TcpServer.cs b/CodeArtEng.Tcp/TcpServer.cs
index 0f5b405..0e95f4e 100644
--- a/CodeArtEng.Tcp/TcpServer.cs
+++ b/CodeArtEng.Tcp/TcpServer.cs
@@ -92,6 +92,9 @@ public class TcpServer : IDisposable
         /// Default value is 100ms
         /// </summary>
         public int InterMessageTimeout { get; set; } = 100;
+        /// <summary>
+        /// Message receive mode. See <see cref="TcpServerMessageEndMode"/>
+        /// </summary>
         public TcpServerMessageEndMode MessageReceivedEndMode { get; set; } = TcpServerMessageEndMode.Delimiter;
 
         private readonly List<TcpServerConnection> ActiveConnections = new List<TcpServerConnection>();