See also P0281R0 (Remove comma elision in variadic function declarations). EWG rejected the paper during the Jacksonville, 2016 meeting. There isn't much for meeting minutes. From what I recall, concerns were mostly about the potential to break existing code.

My view: ship it.

Tom.

I have drafted another C++ proposal:

https://eisenwave.github.io/cpp-proposals/oxford-variadic-comma.html

Please share your thoughts :)