diff --git a/eng/liveBuilds.targets b/eng/liveBuilds.targets
index 51f71f379d9a3..48a7f853f6017 100644
--- a/eng/liveBuilds.targets
+++ b/eng/liveBuilds.targets
@@ -221,7 +221,7 @@
         $(LibrariesNativeArtifactsPath)src\*.js;
         $(LibrariesNativeArtifactsPath)src\emcc-default.rsp;
         $(LibrariesNativeArtifactsPath)src\emcc-link.rsp;
-        $(LibrariesNativeArtifactsPath)src\emcc-props.json;"
+        $(LibrariesNativeArtifactsPath)src\wasm-props.json;"
         NativeSubDirectory="src"
         IsNative="true" />
       <LibrariesRuntimeFiles Condition="'$(TargetOS)' == 'browser'"
@@ -246,6 +246,7 @@
       <LibrariesRuntimeFiles Include="
         $(LibrariesNativeArtifactsPath)src\wasi-default.rsp;
         $(LibrariesNativeArtifactsPath)src\wasi-link.rsp;
+        $(LibrariesNativeArtifactsPath)src\wasm-props.json;
         $(LibrariesNativeArtifactsPath)src\*.c"
         NativeSubDirectory="src"
         IsNative="true" />
diff --git a/src/installer/pkg/sfx/Microsoft.NETCore.App/Directory.Build.props b/src/installer/pkg/sfx/Microsoft.NETCore.App/Directory.Build.props
index 60cbb0eea8a34..8e55e4ac880ec 100644
--- a/src/installer/pkg/sfx/Microsoft.NETCore.App/Directory.Build.props
+++ b/src/installer/pkg/sfx/Microsoft.NETCore.App/Directory.Build.props
@@ -230,7 +230,7 @@
     <PlatformManifestFileEntry Include="wasm-config.h" IsNative="true" />
     <PlatformManifestFileEntry Include="emcc-default.rsp" IsNative="true" />
     <PlatformManifestFileEntry Include="emcc-link.rsp" IsNative="true" />
-    <PlatformManifestFileEntry Include="emcc-props.json" IsNative="true" />
+    <PlatformManifestFileEntry Include="wasm-props.json" IsNative="true" />
     <PlatformManifestFileEntry Include="wasi-default.rsp" IsNative="true" />
     <PlatformManifestFileEntry Include="wasi-link.rsp" IsNative="true" />
     <PlatformManifestFileEntry Include="ILLink.Substitutions.WasmIntrinsics.xml" IsNative="true" />
diff --git a/src/mono/wasi/wasi.proj b/src/mono/wasi/wasi.proj
index cbc7d7f506389..8a550f7efe9c4 100644
--- a/src/mono/wasi/wasi.proj
+++ b/src/mono/wasi/wasi.proj
@@ -115,7 +115,7 @@
 
   <Target Name="GenerateWasiPropsAndRspFiles">
 
-    <!-- Generate wasi-props.json -->
+    <!-- Generate wasm-props.json -->
     <ItemGroup>
       <!-- TODOWASI
       <_WasiLinkFlags Include="-Wl, - - allow-undefined"/>
@@ -146,21 +146,18 @@
     </ItemGroup>
 
     <PropertyGroup>
-      <_WasmOptConfigurationFlags>@(WasmOptConfigurationFlags, '%3B ') </_WasmOptConfigurationFlags>
       <_WasiPropsJson>
 <![CDATA[
 {
   "items": {
-    "WasmOptConfigurationFlags": [
-      { "identity": "WasmOptConfigurationFlags", "value": "$(_WasmOptConfigurationFlags)" }
-    ]
+    "WasmOptConfigurationFlags": [@(WasmOptConfigurationFlags -> '%22%(Identity)%22', ',')],
   }
 }
 ]]>
       </_WasiPropsJson>
     </PropertyGroup>
 
-    <WriteLinesToFile File="$(NativeBinDir)src\emcc-props.json"
+    <WriteLinesToFile File="$(NativeBinDir)src\wasm-props.json"
                       Lines="$(_WasiPropsJson)"
                       Overwrite="true"
                       WriteOnlyWhenDifferent="true" />
@@ -266,7 +263,7 @@
     <ItemGroup>
       <IcuDataFiles Include="$(NativeBinDir)*.dat" />
       <WasmSrcFiles Include="$(NativeBinDir)src\*.c;" />
-      <WasmSrcFiles Include="$(_WasiDefaultsRspPath);$(_WasiCompileRspPath);$(_WasiLinkRspPath)" />
+      <WasmSrcFiles Include="$(_WasiDefaultsRspPath);$(_WasiCompileRspPath);$(_WasiLinkRspPath);$(NativeBinDir)src\wasm-props.json" />
       <WasmHeaderFiles Include="$(NativeBinDir)include\wasm\*.h" />
     </ItemGroup>
 
diff --git a/src/mono/wasm/build/BrowserWasmApp.targets b/src/mono/wasm/build/BrowserWasmApp.targets
index 6c5f04a7b74fc..3135d39af31aa 100644
--- a/src/mono/wasm/build/BrowserWasmApp.targets
+++ b/src/mono/wasm/build/BrowserWasmApp.targets
@@ -10,11 +10,6 @@
   <UsingTask TaskName="Microsoft.WebAssembly.Build.Tasks.WasmAppBuilder" AssemblyFile="$(WasmAppBuilderTasksAssemblyPath)" />
 
   <PropertyGroup>
-    <PrepareInputsForWasmBuildDependsOn>
-      $(PrepareInputsForWasmBuildDependsOn);
-      _ReadEmccProps
-    </PrepareInputsForWasmBuildDependsOn>
-
     <PrepareForWasmBuildNativeDependsOn>
       _CheckToolchainIsExpectedVersion;
       _PrepareForBrowserWasmBuildNative;
@@ -547,33 +542,6 @@
     <Error Condition="'$(RuntimeEmccVersionRaw)' != '$(ActualEmccVersionRaw)'" Text="$(_VersionMismatchMessage)" />
   </Target>
 
-  <UsingTask TaskName="ReadEmccProps" AssemblyFile="$(MonoTargetsTasksAssemblyPath)"
-             TaskFactory="JsonToItemsTaskFactory.JsonToItemsTaskFactory">
-    <ParameterGroup>
-      <EmccProperties ParameterType="Microsoft.Build.Framework.ITaskItem[]" Required="false" Output="true" />
-      <WasmOptConfigurationFlags ParameterType="Microsoft.Build.Framework.ITaskItem[]" Required="false" Output="true" />
-      <EmccDefaultExportedFunctions ParameterType="Microsoft.Build.Framework.ITaskItem[]" Required="false" Output="true" />
-      <EmccDefaultExportedRuntimeMethods ParameterType="Microsoft.Build.Framework.ITaskItem[]" Required="false" Output="true" />
-    </ParameterGroup>
-  </UsingTask>
-
-  <Target Name="_ReadEmccProps" Condition="'$(_IsToolchainMissing)' != 'true'">
-    <ReadEmccProps JsonFilePath="$(_WasmRuntimePackSrcDir)emcc-props.json">
-      <Output TaskParameter="EmccProperties" ItemName="_EmccPropItems" />
-      <Output TaskParameter="WasmOptConfigurationFlags" ItemName="_WasmOptConfigurationFlagsItems" />
-      <Output TaskParameter="EmccDefaultExportedFunctions" ItemName="EmccExportedFunction" />
-      <Output TaskParameter="EmccDefaultExportedRuntimeMethods" ItemName="EmccExportedRuntimeMethod" />
-    </ReadEmccProps>
-
-    <CreateProperty Value="%(_EmccPropItems.Value)">
-      <Output TaskParameter="Value" PropertyName="%(_EmccPropItems.Identity)" />
-    </CreateProperty>
-
-    <CreateProperty Value="%(_WasmOptConfigurationFlagsItems.Value)">
-      <Output TaskParameter="Value" PropertyName="%(_WasmOptConfigurationFlagsItems.Identity)" />
-    </CreateProperty>
-  </Target>
-
   <Target Name="_CompleteWasmBuildNative" AfterTargets="WasmLinkDotNet">
     <ItemGroup>
       <WasmNativeAsset Include="$(_WasmIntermediateOutputPath)dotnet.native.wasm" />
diff --git a/src/mono/wasm/build/WasmApp.Common.targets b/src/mono/wasm/build/WasmApp.Common.targets
index a718c2dc62a0e..9aee139f2df65 100644
--- a/src/mono/wasm/build/WasmApp.Common.targets
+++ b/src/mono/wasm/build/WasmApp.Common.targets
@@ -376,6 +376,31 @@
     </ItemGroup>
   </Target>
 
+  <UsingTask TaskName="ReadWasmProps" AssemblyFile="$(MonoTargetsTasksAssemblyPath)"
+             TaskFactory="JsonToItemsTaskFactory.JsonToItemsTaskFactory">
+    <ParameterGroup>
+      <EmccProperties ParameterType="Microsoft.Build.Framework.ITaskItem[]" Required="false" Output="true" />
+      <WasmOptConfigurationFlags ParameterType="Microsoft.Build.Framework.ITaskItem[]" Required="false" Output="true" />
+      <EmccDefaultExportedFunctions ParameterType="Microsoft.Build.Framework.ITaskItem[]" Required="false" Output="true" />
+      <EmccDefaultExportedRuntimeMethods ParameterType="Microsoft.Build.Framework.ITaskItem[]" Required="false" Output="true" />
+    </ParameterGroup>
+  </UsingTask>
+
+  <Target Name="_ReadWasmProps" Condition="'$(_IsToolchainMissing)' != 'true'">
+    <ReadWasmProps JsonFilePath="$(_WasmRuntimePackSrcDir)wasm-props.json">
+      <Output TaskParameter="EmccProperties" ItemName="_EmccPropItems" />
+      <Output TaskParameter="EmccDefaultExportedFunctions" ItemName="EmccExportedFunction" />
+      <Output TaskParameter="EmccDefaultExportedRuntimeMethods" ItemName="EmccExportedRuntimeMethod" />
+
+      <!-- shared by browser/wasi -->
+      <Output TaskParameter="WasmOptConfigurationFlags" ItemName="_DefaulWasmOptConfigurationFlags" />
+    </ReadWasmProps>
+
+    <CreateProperty Value="%(_EmccPropItems.Value)" Condition="%(_EmccPropItems.Identity) != ''">
+      <Output TaskParameter="Value" PropertyName="%(_EmccPropItems.Identity)" />
+    </CreateProperty>
+  </Target>
+
   <Target Name="WasmGenerateAppBundle" DependsOnTargets="$(WasmGenerateAppBundleDependsOn)" Condition="'$(WasmGenerateAppBundle)' == 'true'" />
 
   <Target Name="_WasmGenerateRuntimeConfig"
@@ -450,6 +475,17 @@
     </ItemGroup>
   </Target>
 
+  <Target Name="_WasmCommonPrepareForWasmBuildNative" Condition="'$(WasmBuildNative)' == 'true'">
+    <ItemGroup>
+      <WasmOptConfigurationFlags Include="--enable-simd" Condition="'$(WasmEnableSIMD)' == 'true'" />
+      <WasmOptConfigurationFlags Include="--enable-exception-handling" Condition="'$(WasmExceptionHandling)' == 'true'" />
+      <WasmOptConfigurationFlags Include="--strip-dwarf" Condition="'$(WasmNativeStrip)' == 'true'" />
+
+      <!-- WasmOptConfigurationFlags property is set by reading from wasm-props.json -->
+      <WasmOptConfigurationFlags Include="@(_DefaulWasmOptConfigurationFlags)" />
+    </ItemGroup>
+  </Target>
+
   <Target Name="PrepareForWasmBuildNative" DependsOnTargets="$(PrepareForWasmBuildNativeDependsOn)" Condition="'$(WasmBuildNative)' == 'true'" />
 
   <Target Name="_SetWasmBuildNativeDefaults">
diff --git a/src/mono/wasm/wasm.proj b/src/mono/wasm/wasm.proj
index 78ee9bc3d739c..9854a64ae62f2 100644
--- a/src/mono/wasm/wasm.proj
+++ b/src/mono/wasm/wasm.proj
@@ -152,7 +152,7 @@
 
   <Target Name="GenerateEmccPropsAndRspFiles">
 
-    <!-- Generate emcc-props.json -->
+    <!-- Generate wasm-props.json -->
 
     <RunWithEmSdkEnv Command="$(EmccCmd) --version"
           ConsoleToMsBuild="true"
@@ -312,7 +312,6 @@
     </ItemGroup>
 
     <PropertyGroup>
-      <_WasmOptConfigurationFlags>@(WasmOptConfigurationFlags, '%3B ') </_WasmOptConfigurationFlags>
       <_EmccPropsJson>
 <![CDATA[
 {
@@ -322,9 +321,7 @@
       { "identity": "RuntimeEmccVersionRaw",  "value": "$(_EmccVersionRaw)" },
       { "identity": "RuntimeEmccVersionHash", "value": "$(_EmccVersionHash)" }
     ],
-    "WasmOptConfigurationFlags": [
-      { "identity": "WasmOptConfigurationFlags", "value": "$(_WasmOptConfigurationFlags)" }
-    ],
+    "WasmOptConfigurationFlags": [@(WasmOptConfigurationFlags -> '%22%(Identity)%22', ',')],
     "EmccDefaultExportedFunctions": [@(EmccExportedFunction -> '%22%(Identity)%22', ',')],
     "EmccDefaultExportedRuntimeMethods": [@(EmccExportedRuntimeMethod -> '%22%(Identity)%22', ',')]
   }
@@ -333,7 +330,7 @@
       </_EmccPropsJson>
     </PropertyGroup>
 
-    <WriteLinesToFile File="$(NativeBinDir)src\emcc-props.json"
+    <WriteLinesToFile File="$(NativeBinDir)src\wasm-props.json"
                       Lines="$(_EmccPropsJson)"
                       Overwrite="true"
                       WriteOnlyWhenDifferent="true" />
@@ -471,7 +468,7 @@
                              $(_EmccDefaultsRspPath);
                              $(_EmccCompileRspPath);
                              $(_EmccLinkRspPath);
-                             $(NativeBinDir)src\emcc-props.json" />
+                             $(NativeBinDir)src\wasm-props.json" />
       <WasmSrcFilesEs6 Include="$(NativeBinDir)src\es6\*.js;" />
       <WasmHeaderFiles Include="$(NativeBinDir)include\wasm\*.h" />
     </ItemGroup>