C++ has changed so much i barely recognize anything ( i used to code in c++ a bit like c with classes). Which makes me wonder : do we have any idea on the marke

C++ has changed so much i barely recognize anything ( i used to code in c++ a bit like c with classes). Which makes me wonder : do we have any idea on the market share 20xx c++ versions represent ? I mean, how much c++ code produced today is "modern c++" ?