Merge pull request #7 from LithWang/release/3.1.2

Release/3.1.2

src/Versions.props

@@ -1,5 +1,5 @@
 <Project>
     <PropertyGroup>
-        <Version>3.1.2-preview</Version>
+        <Version>3.1.2</Version>
     </PropertyGroup>
 </Project>