[roca]

C++ is so complex no-one can really grasp how complex the language actually is.

C++ is not slowing down. C++ is on the verge of deprecating STL-style iterators in favour of Ranges, and modules and concepts are imminent. Template metaprogramming is being superceded by constexpr. Of course STL iterators, header files, and template metaprogramming are still going to be around, people will just need to learn all of it if they want to work on a variety of C++ projects.

[pjmlp]

STL-style iterators are not deprecated, just like LINQ and streams have not deprecated interactors on .NET and Java respectively.