OCaml 4.10
Congratulations to the team and hope ML family languages become popular and mainstream.<p>Rust compiler front-end was initially written in OCaml and later moved to rust and dependent on LLVM written in C++. Still Rust became more popular by following a simple imperative style of programming with some incremental improvements over C/C++.<p>OCaml is confined mostly within Facebook with some use by Bloomberg and in Xen development. I hope functional programming languages become popular and also used for systems programming. OCaml indeed is used for system programming, like Mirage unikernel OS is written in it.<p>Although OCaml can offer whatever is offered by Rust I believe Rust being imperative language along the lines of C++ will be more popular.