History-based auto completion is a productivity game changer. But, You can get fish-like niceties with trivial effort in zsh. The deal breaker for be with fish

History-based auto completion is a productivity game changer. But, You can get fish-like niceties with trivial effort in zsh. The deal breaker for be with fish is abandoning decades of bash syntax. With zsh, I can have my fancy, productive prompt and still write bash-compatible sheets scripts.