diff --git a/.github/workflows/build-debug.yaml b/.github/workflows/build-debug.yaml
index df8a87b0..af5cd2c3 100644
--- a/.github/workflows/build-debug.yaml
+++ b/.github/workflows/build-debug.yaml
@@ -20,5 +20,6 @@ jobs:
         with:
           dotnet-version: |
             9.0.x
-      - run: dotnet build -c Debug
-      - run: dotnet test -c Debug --no-build
+      - run: dotnet build -c Release
+      - run: dotnet test -c Release --no-build
+      - run: dotnet pack -c Release --no-build -p:IncludeSymbols=true -p:SymbolPackageFormat=snupkg -o $GITHUB_WORKSPACE/artifacts
diff --git a/Directory.Build.props b/Directory.Build.props
new file mode 100644
index 00000000..f6cb2314
--- /dev/null
+++ b/Directory.Build.props
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <LangVersion>13</LangVersion>
+
+    <!-- NuGet Package Information -->
+    <PackageVersion>$(Version)</PackageVersion>
+    <Company>Cysharp</Company>
+    <Authors>Cysharp</Authors>
+    <Copyright>© Cysharp, Inc.</Copyright>
+		<PackageTags>database, embedded, inmemory, unity</PackageTags>
+    <PackageProjectUrl>https://github.com/Cysharp/MasterMemory</PackageProjectUrl>
+    <PackageReadmeFile>README.md</PackageReadmeFile>
+    <RepositoryUrl>$(PackageProjectUrl)</RepositoryUrl>
+    <RepositoryType>git</RepositoryType>
+    <PackageLicenseExpression>MIT</PackageLicenseExpression>
+    <PackageIcon>Icon.png</PackageIcon>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <None Include="$(MSBuildThisFileDirectory)README.md" Pack="true" PackagePath="\" />
+		<None Include="$(MSBuildThisFileDirectory)Icon.png" Pack="true" PackagePath="\" />
+  </ItemGroup>
+</Project>
diff --git a/Icon.png b/Icon.png
new file mode 100644
index 00000000..68d64b1e
Binary files /dev/null and b/Icon.png differ
diff --git a/src/MasterMemory.Annotations/MasterMemory.Annotations.csproj b/src/MasterMemory.Annotations/MasterMemory.Annotations.csproj
index a1cc7c9e..da45f823 100644
--- a/src/MasterMemory.Annotations/MasterMemory.Annotations.csproj
+++ b/src/MasterMemory.Annotations/MasterMemory.Annotations.csproj
@@ -9,18 +9,11 @@
 		<Company>Cysharp</Company>
 		<GenerateDocumentationFile>true</GenerateDocumentationFile>
 		<NoWarn>1701;1702;1705;1591</NoWarn>
+		<RootNamespace>MasterMemory</RootNamespace>
 
 		<!-- NuGet -->
 		<PackageId>MasterMemory.Annotations</PackageId>
-		<PackageVersion>$(Version)</PackageVersion>
-		<Authors>Cysharp</Authors>
-		<Copyright>Cysharp</Copyright>
 		<Description>Attributes of MasterMemory.</Description>
-		<PackageProjectUrl>https://github.com/Cysharp/MasterMemory</PackageProjectUrl>
-		<RepositoryUrl>$(PackageProjectUrl)</RepositoryUrl>
-		<RepositoryType>git</RepositoryType>
-		<PackageTags>database, embedded, inmemory, unity</PackageTags>
-		<RootNamespace>MasterMemory</RootNamespace>
 		<IsPackable>true</IsPackable>
 	</PropertyGroup>
 
diff --git a/src/MasterMemory.SourceGenerator/MasterMemory.GeneratorCore.csproj b/src/MasterMemory.SourceGenerator/MasterMemory.GeneratorCore.csproj
deleted file mode 100644
index 154b7ebb..00000000
--- a/src/MasterMemory.SourceGenerator/MasterMemory.GeneratorCore.csproj
+++ /dev/null
@@ -1,71 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-    <PropertyGroup>
-        <TargetFramework>netstandard2.0</TargetFramework>
-        <LangVersion>latest</LangVersion>
-        <IsPackable>false</IsPackable>
-    </PropertyGroup>
-
-    <ItemGroup>
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.4.0" />
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.4.0" />
-        <PackageReference Include="Microsoft.CodeAnalysis.Workspaces.Common" Version="3.4.0" />
-        <PackageReference Include="System.CodeDom" Version="4.5.0" />
-    </ItemGroup>
-
-    <ItemGroup>
-        <Compile Update="DatabaseBuilderTemplate.cs">
-            <DependentUpon>DatabaseBuilderTemplate.tt</DependentUpon>
-            <DesignTime>True</DesignTime>
-            <AutoGen>True</AutoGen>
-        </Compile>
-        <Compile Update="ImmutableBuilderTemplate.cs">
-            <DesignTime>True</DesignTime>
-            <AutoGen>True</AutoGen>
-            <DependentUpon>ImmutableBuilderTemplate.tt</DependentUpon>
-        </Compile>
-        <Compile Update="MemoryDatabaseTemplate.cs">
-            <DependentUpon>MemoryDatabaseTemplate.tt</DependentUpon>
-            <DesignTime>True</DesignTime>
-            <AutoGen>True</AutoGen>
-        </Compile>
-        <Compile Update="TableTemplate.cs">
-            <DesignTime>True</DesignTime>
-            <AutoGen>True</AutoGen>
-            <DependentUpon>TableTemplate.tt</DependentUpon>
-        </Compile>
-        <Compile Update="MessagePackResolverTemplate.cs">
-            <DesignTime>True</DesignTime>
-            <AutoGen>True</AutoGen>
-            <DependentUpon>MessagePackResolverTemplate.tt</DependentUpon>
-        </Compile>
-    </ItemGroup>
-
-    <ItemGroup>
-        <None Update="DatabaseBuilderTemplate.tt">
-            <LastGenOutput>DatabaseBuilderTemplate.cs</LastGenOutput>
-            <Generator>TextTemplatingFilePreprocessor</Generator>
-        </None>
-        <None Update="ImmutableBuilderTemplate.tt">
-            <LastGenOutput>ImmutableBuilderTemplate.cs</LastGenOutput>
-            <Generator>TextTemplatingFilePreprocessor</Generator>
-        </None>
-        <None Update="MemoryDatabaseTemplate.tt">
-            <LastGenOutput>MemoryDatabaseTemplate.cs</LastGenOutput>
-            <Generator>TextTemplatingFilePreprocessor</Generator>
-        </None>
-        <None Update="TableTemplate.tt">
-            <LastGenOutput>TableTemplate.cs</LastGenOutput>
-            <Generator>TextTemplatingFilePreprocessor</Generator>
-        </None>
-        <None Update="MessagePackResolverTemplate.tt">
-            <LastGenOutput>MessagePackResolverTemplate.cs</LastGenOutput>
-            <Generator>TextTemplatingFilePreprocessor</Generator>
-        </None>
-    </ItemGroup>
-
-    <ItemGroup>
-        <Service Include="{508349b6-6b84-4df5-91f0-309beebad82d}" />
-    </ItemGroup>
-
-</Project>
diff --git a/src/MasterMemory/MasterMemory.csproj b/src/MasterMemory/MasterMemory.csproj
index 96b4bbc0..80d702af 100644
--- a/src/MasterMemory/MasterMemory.csproj
+++ b/src/MasterMemory/MasterMemory.csproj
@@ -14,14 +14,7 @@
 
 		<!-- NuGet -->
 		<PackageId>MasterMemory</PackageId>
-		<PackageVersion>$(Version)</PackageVersion>
-		<Authors>Cysharp</Authors>
-		<Copyright>Cysharp</Copyright>
 		<Description>Embedded Typed Readonly In-Memory Document Database for .NET Core and Unity.</Description>
-		<PackageProjectUrl>https://github.com/Cysharp/MasterMemory</PackageProjectUrl>
-		<RepositoryUrl>$(PackageProjectUrl)</RepositoryUrl>
-		<RepositoryType>git</RepositoryType>
-		<PackageTags>database, embedded, inmemory, unity</PackageTags>
 		<IsPackable>true</IsPackable>
 
 		<!-- SourceGenerator Packaging configs... -->