I used BeOS. It had some great features, but it wasn't great the way NeXTStep was great. If it had been built on top of C++ 11 or later, instead of whatever C++

I used BeOS. It had some great features, but it wasn't great the way NeXTStep was great. If it had been built on top of C++ 11 or later, instead of whatever C++9x they were using, maybe.