Unreal Engine Issues

UE-137267

/std:c++17 key is hidden in generated .vcxproj after adding it to the BuildConfiguration.xml

/std:c++17 key is hidden in generated .vcxproj after adding it to the BuildConfiguration.xml

Description

As far as I can tell this is a regression.
After including C++17 in the build configuration it shouldn't be hidden in the .vcxproj?

Steps to Reproduce
  1. Create a new C++ project
  2. Specify use of C++17 in BuildConfiguration.xml 
    <?xml version="1.0" encoding="utf-8" ?>
<Configuration xmlns="https://www.unrealengine.com/BuildConfiguration">
<BuildConfiguration>
<CppStandard>Cpp17</CppStandard>
</BuildConfiguration>
</Configuration>
  3. Generate project files (right click on .uproject -> Generate Visual Studio project files

Expected Results:
Generated .vcxproj file should look this way:

<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Development_Editor|x64'">
...
<AdditionalOptions>/std:c++17</AdditionalOptions>
</PropertyGroup>
<ItemGroup>
<ClCompile Include="..\..\Source\RollingGame27\MyActor.cpp">
...
<AdditionalOptions>$(AdditionalOptions) /Yu"$(SolutionDir)Intermediate\Build\Win64\RollingGame27Editor\Development\Engine\SharedPCH.Engine.ShadowErrors.h"</AdditionalOptions>
</ClCompile>
</ItemGroup>

or

<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Development_Editor|x64'">
...
<AdditionalOptions>/std:c++17</AdditionalOptions>
</PropertyGroup>
<ItemGroup>
<ClCompile Include="..\..\Source\RollingGame27\MyActor.cpp">
...
<AdditionalOptions>/std:c++17 /Yu"$(SolutionDir)Intermediate\Build\Win64\RollingGame27Editor\Development\Engine\SharedPCH.Engine.ShadowErrors.h"</AdditionalOptions>
</ClCompile>
</ItemGroup>

Actual Results:
Generated .vcxproj file contains following code:

<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Development_Editor|x64'">
...
<AdditionalOptions>/std:c++17</AdditionalOptions>
</PropertyGroup>
<ItemGroup>
<ClCompile Include="..\..\Source\RollingGame27\MyActor.cpp">
...
<AdditionalOptions>/Yu"$(SolutionDir)Intermediate\Build\Win64\RollingGame27Editor\Development\Engine\SharedPCH.Engine.ShadowErrors.h"</AdditionalOptions>
</ClCompile>
</ItemGroup>
Community References

[UE-23848] Bug Status

Request a info about UE-127172 bug tracker

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Fixed
ComponentUE - Foundation - Cpp Tools
Affects Versions4.27
Target Fix5.0
Fix Commit18573913
Release Commit18573913
CreatedDec 10, 2021
ResolvedJan 13, 2022
UpdatedJan 26, 2023
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