diff --git a/.gitignore b/.gitignore
index 0d06464a..35094244 100644
--- a/.gitignore
+++ b/.gitignore
@@ -272,4 +272,5 @@ nuget/mpc.exe
 nuget/mpc.exe.config
 
 nuget/tools/*
-nuget/unity/tools/*
\ No newline at end of file
+nuget/unity/tools/*
+nuget/unity*
\ No newline at end of file
diff --git a/README.md b/README.md
index 3c11771a..eee27f37 100644
--- a/README.md
+++ b/README.md
@@ -881,6 +881,9 @@ mpc arguments help:
 ```
 // Simple Sample:
 mpc.exe -i "..\src\Sandbox.Shared.csproj" -o "MessagePackGenerated.cs"
+
+// Use force map simulate DynamicContractlessObjectResolver
+mpc.exe -i "..\src\Sandbox.Shared.csproj" -o "MessagePackGenerated.cs" -m
 ```
 
 If you create DLL by msbuild project, you can use Pre/Post build event.
diff --git a/nuget/MessagePack.AspNetCoreMvcFormatter.nuspec b/nuget/MessagePack.AspNetCoreMvcFormatter.nuspec
index 6db8f198..5eb09e7b 100644
--- a/nuget/MessagePack.AspNetCoreMvcFormatter.nuspec
+++ b/nuget/MessagePack.AspNetCoreMvcFormatter.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
   <metadata>
     <id>MessagePack.AspNetCoreMvcFormatter</id>
-    <version>1.0.1</version>
+    <version>1.0.2</version>
     <title>ASP.NET Core MVC Input/Output MessagePack formatter</title>
     <authors>neuecc</authors>
     <owners>neuecc</owners>
@@ -17,11 +17,11 @@
     </frameworkAssemblies>
     <dependencies>
       <group targetFramework=".NETFramework4.5">
-        <dependency id="MessagePack" version="1.0.1" />
+        <dependency id="MessagePack" version="1.0.2" />
         <dependency id="Microsoft.AspNetCore.Mvc.Abstractions" version="1.1.2" />
       </group>
       <group targetFramework=".NETStandard1.4">
-        <dependency id="MessagePack" version="1.0.1" />
+        <dependency id="MessagePack" version="1.0.2" />
         <dependency id="Microsoft.AspNetCore.Mvc.Abstractions" version="1.1.2" />
       </group>
     </dependencies>
diff --git a/nuget/MessagePack.ImmutableCollection.nuspec b/nuget/MessagePack.ImmutableCollection.nuspec
index efac0490..d4d41903 100644
--- a/nuget/MessagePack.ImmutableCollection.nuspec
+++ b/nuget/MessagePack.ImmutableCollection.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
   <metadata>
     <id>MessagePack.ImmutableCollection</id>
-    <version>1.0.1</version>
+    <version>1.0.2</version>
     <title>MessagePack for C# Extension Support for ImmutableCollection</title>
     <authors>neuecc</authors>
     <owners>neuecc</owners>
@@ -17,11 +17,11 @@
     </frameworkAssemblies>
     <dependencies>
       <group targetFramework=".NETFramework4.5">
-        <dependency id="MessagePack" version="1.0.1" />
+        <dependency id="MessagePack" version="1.0.2" />
         <dependency id="System.Collections.Immutable" version="1.3.1" />
       </group>
       <group targetFramework=".NETStandard1.4">
-        <dependency id="MessagePack" version="1.0.1" />
+        <dependency id="MessagePack" version="1.0.2" />
         <dependency id="System.Collections.Immutable" version="1.3.1" />
       </group>
     </dependencies>
diff --git a/nuget/MessagePack.ReactiveProperty.nuspec b/nuget/MessagePack.ReactiveProperty.nuspec
index 8d7975a8..33201b9b 100644
--- a/nuget/MessagePack.ReactiveProperty.nuspec
+++ b/nuget/MessagePack.ReactiveProperty.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
   <metadata>
     <id>MessagePack.ReactiveProperty</id>
-    <version>1.0.1</version>
+    <version>1.0.2</version>
     <title>MessagePack for C# Extension Support for ReactiveProperty</title>
     <authors>neuecc</authors>
     <owners>neuecc</owners>
@@ -17,11 +17,11 @@
     </frameworkAssemblies>
     <dependencies>
       <group targetFramework=".NETFramework4.5">
-        <dependency id="MessagePack" version="1.0.1" />
+        <dependency id="MessagePack" version="1.0.2" />
         <dependency id="ReactiveProperty" version="3.5.1" />
       </group>
       <group targetFramework=".NETStandard1.4">
-        <dependency id="MessagePack" version="1.0.1" />
+        <dependency id="MessagePack" version="1.0.2" />
         <dependency id="ReactiveProperty" version="3.5.1" />
       </group>
     </dependencies>
diff --git a/nuget/MessagePack.UnityShims.nuspec b/nuget/MessagePack.UnityShims.nuspec
index d36caa9d..953414e7 100644
--- a/nuget/MessagePack.UnityShims.nuspec
+++ b/nuget/MessagePack.UnityShims.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
   <metadata>
     <id>MessagePack.UnityShims</id>
-    <version>1.0.1</version>
+    <version>1.0.2</version>
     <title>MessagePack for C# Extension Support for Unity(add pseudo Vector type and fast Vectory[] extension formatter)</title>
     <authors>neuecc</authors>
     <owners>neuecc</owners>
@@ -17,10 +17,10 @@
     </frameworkAssemblies>
     <dependencies>
       <group targetFramework=".NETFramework4.5">
-        <dependency id="MessagePack" version="1.0.1" />
+        <dependency id="MessagePack" version="1.0.2" />
       </group>
       <group targetFramework=".NETStandard1.4">
-        <dependency id="MessagePack" version="1.0.1" />
+        <dependency id="MessagePack" version="1.0.2" />
       </group>
     </dependencies>
   </metadata>
diff --git a/nuget/MessagePack.nuspec b/nuget/MessagePack.nuspec
index 302cb24e..bbea2df5 100644
--- a/nuget/MessagePack.nuspec
+++ b/nuget/MessagePack.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
   <metadata>
     <id>MessagePack</id>
-    <version>1.0.1</version>
+    <version>1.0.2</version>
     <title>MessagePack for C#</title>
     <authors>neuecc</authors>
     <owners>neuecc</owners>
diff --git a/nuget/push.bat b/nuget/push.bat
index bbc68196..45856e86 100644
--- a/nuget/push.bat
+++ b/nuget/push.bat
@@ -1,6 +1,6 @@
-nuget push MessagePack.1.0.1.nupkg -Source https://www.nuget.org/api/v2/package
-nuget push MessagePack.ImmutableCollection.1.0.1.nupkg -Source https://www.nuget.org/api/v2/package
-nuget push MessagePack.ReactiveProperty.1.0.1.nupkg -Source https://www.nuget.org/api/v2/package
-nuget push MessagePack.UnityShims.1.0.1.nupkg -Source https://www.nuget.org/api/v2/package
-nuget push MessagePack.MessagePack.AspNetCoreMvcFormatter.1.0.1.nupkg -Source https://www.nuget.org/api/v2/package
+nuget push MessagePack.1.0.2.nupkg -Source https://www.nuget.org/api/v2/package
+nuget push MessagePack.ImmutableCollection.1.0.2.nupkg -Source https://www.nuget.org/api/v2/package
+nuget push MessagePack.ReactiveProperty.1.0.2.nupkg -Source https://www.nuget.org/api/v2/package
+nuget push MessagePack.UnityShims.1.0.2.nupkg -Source https://www.nuget.org/api/v2/package
+nuget push MessagePack.MessagePack.AspNetCoreMvcFormatter.1.0.2.nupkg -Source https://www.nuget.org/api/v2/package
 REM nuget push MessagePackAnalyzer.1.4.0.nupkg -Source https://www.nuget.org/api/v2/package
\ No newline at end of file
diff --git a/src/MessagePack.UnityClient/MessagePack.UnityClient.CSharp.csproj b/src/MessagePack.UnityClient/MessagePack.UnityClient.CSharp.csproj
index 8ae48f68..d17e4bee 100644
--- a/src/MessagePack.UnityClient/MessagePack.UnityClient.CSharp.csproj
+++ b/src/MessagePack.UnityClient/MessagePack.UnityClient.CSharp.csproj
@@ -79,6 +79,7 @@
     <Compile Include="Assets\Scripts\MessagePack\FloatBits.cs" />
     <Compile Include="Assets\Scripts\MessagePack\Formatters\CollectionFormatter.cs" />
     <Compile Include="Assets\Scripts\MessagePack\Formatters\DictionaryFormatter.cs" />
+    <Compile Include="Assets\Scripts\MessagePack\Formatters\EnumAsStringFormatter.cs" />
     <Compile Include="Assets\Scripts\MessagePack\Formatters\IMessagePackFormatter.cs" />
     <Compile Include="Assets\Scripts\MessagePack\Formatters\MultiDimentionalArrayFormatter.cs" />
     <Compile Include="Assets\Scripts\MessagePack\Formatters\NullableFormatter.cs" />
@@ -119,6 +120,7 @@
     <Compile Include="Assets\Scripts\MessagePack\Nil.cs" />
     <Compile Include="Assets\Scripts\MessagePack\Resolvers\BuiltinResolver.cs" />
     <Compile Include="Assets\Scripts\MessagePack\Resolvers\CompositeResolver.cs" />
+    <Compile Include="Assets\Scripts\MessagePack\Resolvers\DynamicEnumAsStringResolver.cs" />
     <Compile Include="Assets\Scripts\MessagePack\Resolvers\DynamicEnumResolver.cs" />
     <Compile Include="Assets\Scripts\MessagePack\Resolvers\DynamicGenericResolver.cs" />
     <Compile Include="Assets\Scripts\MessagePack\Resolvers\DynamicObjectResolver.cs" />
diff --git a/src/MessagePack.UnityClient/ProjectSettings/ProjectVersion.txt b/src/MessagePack.UnityClient/ProjectSettings/ProjectVersion.txt
index 1049cc72..5cd8a632 100644
--- a/src/MessagePack.UnityClient/ProjectSettings/ProjectVersion.txt
+++ b/src/MessagePack.UnityClient/ProjectSettings/ProjectVersion.txt
@@ -1 +1,2 @@
-m_EditorVersion: 5.5.2f1
+m_EditorVersion: 5.3.7p2
+m_StandardAssetsVersion: 0