update ImageSharp.csproj

Directory.Build.targets

@@ -23,10 +23,9 @@
     <PackageReference Update="StyleCop.Analyzers" PrivateAssets="All" Version="1.1.118" />
     
     <!--Src Dependencies-->
-    <PackageReference Update="SixLabors.Core" Version="1.0.0-beta0008" />
     <PackageReference Update="System.IO.Compression" Version="4.3.0" />
     <PackageReference Update="System.IO.UnmanagedMemoryStream" Version="4.3.0" />
-    <PackageReference Update="System.Runtime.CompilerServices.Unsafe" Version="4.5.1" />
+    <PackageReference Update="System.Runtime.CompilerServices.Unsafe" Version="4.7" />
     <PackageReference Update="System.Threading.Tasks.Parallel" Version="4.3.0" />
     <PackageReference Update="System.ValueTuple" Version="4.5.0" />
 

src/ImageSharp/ImageSharp.csproj

@@ -19,6 +19,23 @@
     <RootNamespace>SixLabors.ImageSharp</RootNamespace>
   </PropertyGroup>
 
+  <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp2.1' ">
+    <PackageReference Include="System.Runtime.CompilerServices.Unsafe" />
+  </ItemGroup>
+
+  <ItemGroup Condition=" $(TargetFramework.StartsWith('netstandard')) OR '$(TargetFramework)' == 'net472'">
+    <PackageReference Include="System.Numerics.Vectors" Version="4.5.0" />
+    <PackageReference Include="System.Buffers" Version="4.5.0" />
+    <PackageReference Include="System.Memory" Version="4.5.3" />
+  </ItemGroup>
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.3'">
+    <PackageReference Include="System.IO.Compression" />
+    <PackageReference Include="System.IO.UnmanagedMemoryStream" />
+    <PackageReference Include="System.Threading.Tasks.Parallel" />
+    <PackageReference Include="System.ValueTuple" />
+  </ItemGroup>
+
   <ItemGroup>
     <Compile Update="Formats\Jpeg\Components\Block8x8F.Generated.cs">
       <DesignTime>True</DesignTime>
@@ -187,18 +204,6 @@
     </None>
   </ItemGroup>
 
-  <ItemGroup>
-    <PackageReference Include="SixLabors.Core" />
-    <PackageReference Include="System.Runtime.CompilerServices.Unsafe" />
-  </ItemGroup>
-
-  <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.3'">
-    <PackageReference Include="System.IO.Compression" />
-    <PackageReference Include="System.IO.UnmanagedMemoryStream" />
-    <PackageReference Include="System.Threading.Tasks.Parallel" />
-    <PackageReference Include="System.ValueTuple" />
-  </ItemGroup>
-
   <ItemGroup>
     <Service Include="{508349B6-6B84-4DF5-91F0-309BEEBAD82D}" />
   </ItemGroup>