Had a semi-related followup question. I recently upgraded to build 2753 and in my project properties I see three choices for Intellisense engine. Clang (default), VS2017, and “Advanced Clang Intellisense”. I know what ‘VS2017″ is, but what’s the difference between the other two? Is it what you could switch off about six months ago by clicking the Stopwatch icon and disabling…. something? I can’t remember exactly what it was.