[sprash]

> bash is far behind concerning interactivity.

Is it really? Projects like ble.sh [1] seem to pull off advanced features like syntax highlighting and enhanced completion with pure bash without the need for reimplementing a whole shell from the ground up.

1.: https://github.com/akinomyoga/ble.sh

[qqii]

Wow, that looks amazing! Especially being implemented in pure bash!