I need specify some options for C++ compiler, such as /std:c++latest. But can’t get access to this via .build.cs. Are there ways to specify this?

In VCToolChain.cs (\Engine\Source\Programs\UnrealBuildTool\Windows\VCToolChain.cs) you can append additional compilation argument in AppendCLArguments_Global() or AppendCLArguments_CPP(), if it’s c++ specific arguments. You can do that for every platform you need, (Linus, Mac, IOS, Android, etc) i…