Unlikely. Apple have made the default interactive shell zsh, but /bin/bash still stays around and I believe /bin/sh still aliases to it by default. Meanwhile th

Unlikely. Apple have made the default interactive shell zsh, but /bin/bash still stays around and I believe /bin/sh still aliases to it by default. Meanwhile there is an enormous ecosystems of shell scripts including countless curl ... | bash installers which no one has any motivation to port to some shell which is not installed by default on most Linux distros. Although Microsoft would undoubtedly be delighted with Apple accelerating the move of developers to Windows as the Unix of choice, I'm not convinced even Apple's current management is going to be dumb enough to remove bash altogether.